Bridge Statistics for Arcata, California (CA)
Condition, Traffic, Stress, Structural Evaluation, Project Costs

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Structure Number: 4 0023L,  Location: 01-HUM-101-84.50-ARC (Lat: 40.843442,  Lng: -124.082069),  Route carried "on" structure: US 101,  Year Built: 1920,  Year Reconstructed: 1955,  Status: Open,  Structure Length: 2.23m (7.32ft),  Average Daily Traffic: 18,125 (year 2009),  Truck Traffic: 7%,  Average Future Daily Traffic: 26,861 (year 2043),  Features Intersected: JACOBY CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 84.500,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 1,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 11.3m (37.1ft),  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 11.3m (37.1ft),  Out-to-Out Width: 11.9m (39.0ft)

Condition: Deck: Good,  Superstructure: Poor,  Substructure: Good,  Channel: Very good,  Operating Rating: 24.6 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 18.8 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.23m (7.32ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021,  Bridge Improvement Cost: $264,000,  Roadway Improvement Cost: $52,000,  Total Project Cost: $443,000 ( Estimate for 2017),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 4 0023R,  Location: 01-HUM-101-84.50-ARC (Lat: 40.843353,  Lng: -124.081692),  Route carried "on" structure: US 101,  Year Built: 1955,  Status: Open,  Structure Length: 2.29m (7.51ft),  Average Daily Traffic: 18,125 (year 2009),  Truck Traffic: 7%,  Average Future Daily Traffic: 24,272 (year 2038),  Design Load: HS 20,  Features Intersected: JACOBY CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 84.500,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 1,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 11.3m (37.1ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 11.3m (37.1ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 59.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete

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Structure Number: 4 0024L,  Location: 01-HUM-101-84.70 (Lat: 40.846161,  Lng: -124.081992),  Route carried "on" structure: US 101,  Year Built: 1996,  Status: Open,  Structure Length: 12.12m (39.76ft),  Average Daily Traffic: 17,500 (year 2010),  Truck Traffic: 10%,  Average Future Daily Traffic: 20,911 (year 2041),  Design Load: HS 20+Mod,  Features Intersected: GANNON SLOUGH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 84.700,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 1,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 11,  Length of Maximum Span: 11.0m (36.1ft),  Curb-To-Curb Width: 11.9m (39.0ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Very good,  Operating Rating: 54.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 4 0024R,  Location: 01-HUM-101-84.70-ARC (Lat: 40.846469,  Lng: -124.081617),  Route carried "on" structure: US 101,  Year Built: 1955,  Status: Open,  Structure Length: 2.33m (7.64ft),  Average Daily Traffic: 17,500 (year 2010),  Truck Traffic: 10%,  Average Future Daily Traffic: 51,366 (year 2041),  Design Load: HS 20,  Features Intersected: GANNON SLOUGH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 84.700,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 1,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 6.4m (21.0ft),  Curb-To-Curb Width: 11.9m (39.0ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 58.3 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 45.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 4 0049,  Location: 01-HUM-255-8.77-ARC (Lat: 40.862625,  Lng: -124.082119),  Route carried "on" structure: State highway 255,  Year Built: 1965,  Status: Open,  Structure Length: 10.00m (32.81ft),  Average Daily Traffic: 12,200 (year 2010),  Truck Traffic: 8%,  Average Future Daily Traffic: 18,875 (year 2041),  Design Load: HS 20,  Features Intersected: U.S. HIGHWAY 101
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.770,  Lanes on structure: 4,  Lanes under structure: 8,  Base Highway Network: Yes (Inventory Route: 2,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 15.8m (51.8ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 32.9m (107.9ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 15.8m (51.8ft),  Out-to-Out Width: 17.7m (58.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 44.7 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 34.3 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 4 0054,  Location: 01-HUM-101-86.10-ARC (Lat: 40.866572,  Lng: -124.083511),  Route carried "on" structure: City street ,  Year Built: 1966,  Status: Open,  Structure Length: 7.32m (24.02ft),  Average Daily Traffic: 3,435 (year 2010),  Truck Traffic: 5%,  Average Future Daily Traffic: 2,180 (year 2041),  Design Load: HS 20,  Features Intersected: US HIGHWAY 101,  Facility Carried by Structure: SEVENTH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 39.3m (128.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 12.4m (40.7ft),  Out-to-Out Width: 16.5m (54.1ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 62.5 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 45.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 4 0079L,  Location: 01-HUM-101-87.84-ARC (Lat: 40.891383,  Lng: -124.080361),  Route carried "on" structure: US 101,  Year Built: 1956,  Year Reconstructed: 1991,  Status: Open,  Structure Length: 8.05m (26.41ft),  Average Daily Traffic: 17,500 (year 2010),  Truck Traffic: 12%,  Average Future Daily Traffic: 26,381 (year 2041),  Design Load: HS 20,  Features Intersected: WEST END RD,CREEK, NCRRA
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 87.840,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 1,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 7,  Length of Maximum Span: 16.0m (52.5ft),  Curb-To-Curb Width: 11.8m (38.7ft),  Out-to-Out Width: 12.8m (42.0ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Excellent,  Operating Rating: 32.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 23.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Underclear: High priority of corrective action,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 4 0079R,  Location: 01-HUM-101-87.84-ARC (Lat: 40.891542,  Lng: -124.080219),  Route carried "on" structure: US 101,  Year Built: 1929,  Year Reconstructed: 1995,  Status: Open,  Structure Length: 8.07m (26.48ft),  Average Daily Traffic: 17,500 (year 2010),  Truck Traffic: 12%,  Average Future Daily Traffic: 26,381 (year 2041),  Features Intersected: WEST END RD,CREEK, NCRRA
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 87.840,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 1,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Number Of Approach Spans: 5,  Length of Maximum Span: 14.7m (48.2ft),  Curb-To-Curb Width: 11.9m (39.0ft),  Out-to-Out Width: 12.8m (42.0ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Good,  Channel: Excellent,  Operating Rating: 34.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 20.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Underclear: High priority of corrective action,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Critical Feature Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 4 0083,  Location: 01-HUM-101-88.87 (Lat: 40.905353,  Lng: -124.087142),  Route carried "on" structure: US 101,  Year Built: 1959,  Year Reconstructed: 1991,  Status: Open,  Structure Length: 4.02m (13.19ft),  Average Daily Traffic: 12,900 (year 2010),  Truck Traffic: 10%,  Average Future Daily Traffic: 42,788 (year 2041),  Design Load: HS 20,  Features Intersected: JONES SLOUGH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 88.870,  Lanes on structure: 4,  Base Highway Network: Yes (Inventory Route: 1,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 27.1m (88.9ft),  Skew: 30 degrees,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 11.0m (36.1ft),  Curb-To-Curb Width: 27.1m (88.9ft),  Out-to-Out Width: 28.6m (93.8ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 20.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 14.3 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: High priority of corrective action,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete

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Structure Number: 4 0084,  Location: 01-HUM-101-89.18 (Lat: 40.909644,  Lng: -124.089311),  Route carried "on" structure: US 101,  Year Built: 1956,  Year Reconstructed: 1988,  Status: Open,  Structure Length: 3.42m (11.22ft),  Average Daily Traffic: 12,900 (year 2010),  Truck Traffic: 10%,  Average Future Daily Traffic: 34,852 (year 2041),  Design Load: HS 20+Mod,  Features Intersected: TURNER DRAW
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 89.180,  Lanes on structure: 4,  Base Highway Network: Yes (Inventory Route: 1,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 25.9m (85.0ft),  Skew: 31 degrees,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.4m (44.0ft),  Curb-To-Curb Width: 25.9m (85.0ft),  Out-to-Out Width: 27.4m (89.9ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 42.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 32.1 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete

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Structure Number: 4 0157,  Location: 01-HUM-101-88.80-ARC (Lat: 40.904311,  Lng: -124.087153),  Route carried "on" structure: County highway ,  Year Built: 1969,  Status: Open,  Structure Length: 5.47m (17.95ft),  Average Daily Traffic: 11,131 (year 2010),  Truck Traffic: 5%,  Average Future Daily Traffic: 21,448 (year 2041),  Design Load: HS 20,  Features Intersected: US HIGHWAY 101,  Facility Carried by Structure: GUINTOLI LANE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 54.3m (178.1ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 14.6m (47.9ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Fair,  Operating Rating: 54.1 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 29.5 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 4 0161,  Location: 01-HUM-299-0.01-ARC (Lat: 40.897042,  Lng: -124.083475),  Route carried "on" structure: State highway 299,  Year Built: 1956,  Year Reconstructed: 1992,  Status: Open,  Structure Length: 4.72m (15.49ft),  Average Daily Traffic: 12,400 (year 2009),  Truck Traffic: 7%,  Average Future Daily Traffic: 15,455 (year 2038),  Design Load: HS 20,  Features Intersected: US HIGHWAY 101
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.010,  Lanes on structure: 2,  Lanes under structure: 4,  Base Highway Network: Yes (Inventory Route: 2,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 9.6m (31.5ft),  Skew: 9 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 3,  Length of Maximum Span: 14.3m (46.9ft),  Curb-To-Curb Width: 9.6m (31.5ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 64.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: High priority of corrective action,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 4 0222,  Location: 01-HUM-255-7.77 (Lat: 40.867861,  Lng: -124.102117),  Route carried "on" structure: State highway 255,  Year Built: 1963,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 4,160 (year 2010),  Truck Traffic: 8%,  Average Future Daily Traffic: 8,042 (year 2037),  Design Load: HS 20,  Features Intersected: MCDANIEL SLOUGH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.770,  Lanes on structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 26.8m (87.9ft),  Skew: 20 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft),  Curb-To-Curb Width: 26.2m (86.0ft),  Out-to-Out Width: 26.2m (86.0ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 54.1 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2019

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Structure Number: 4 0231,  Location: 01-HUM-299-0.72-ARC (Lat: 40.904267,  Lng: -124.073797),  Route carried "on" structure: County highway ,  Year Built: 1969,  Status: Open,  Structure Length: 4.88m (16.01ft),  Average Daily Traffic: 5,644 (year 2010),  Truck Traffic: 15%,  Average Future Daily Traffic: 15,248 (year 2041),  Design Load: HS 20,  Features Intersected: STATE ROUTE 299,  Facility Carried by Structure: GUINTOLI LANE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 48.5m (159.1ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 12.8m (42.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 57.0 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 4 0242,  Location: 01-HUM-101-86.33-ARC (Lat: 40.869953,  Lng: -124.083375),  Route carried "on" structure: City street ,  Year Built: 1976,  Status: Open,  Structure Length: 8.25m (27.07ft),  Average Daily Traffic: 2,956 (year 2010),  Truck Traffic: 5%,  Average Future Daily Traffic: 2,180 (year 2041),  Design Load: HS 20,  Features Intersected: US HIGHWAY 101,  Facility Carried by Structure: 11TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 48.8m (160.1ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 15.8m (51.8ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 56.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 43.4 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete

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Structure Number: 4 0243,  Location: 01-HUM-101-86.77-ARC (Lat: 40.875731,  Lng: -124.083103),  Route carried "on" structure: City street ,  Year Built: 1976,  Status: Open,  Structure Length: 10.25m (33.63ft),  Average Daily Traffic: 5,209 (year 2010),  Truck Traffic: 5%,  Average Future Daily Traffic: 12,868 (year 2041),  Design Load: HS 20,  Features Intersected: US HIGHWAY 101,  Facility Carried by Structure: G STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 9 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 56.4m (185.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 99.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 4 0244,  Location: 01-HUM-101-86.94-ARC (Lat: 40.878669,  Lng: -124.082697),  Route carried "on" structure: City street ,  Year Built: 1976,  Status: Open,  Structure Length: 7.89m (25.89ft),  Average Daily Traffic: 6,378 (year 2010),  Truck Traffic: 5%,  Average Future Daily Traffic: 12,868 (year 2041),  Design Load: HS 20,  Features Intersected: US HIGHWAY 101,  Facility Carried by Structure: SUNSET AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 17.1m (56.1ft),  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 46.3m (151.9ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 2.8m (9.2ft),  Curb-To-Curb Width: 17.1m (56.1ft),  Out-to-Out Width: 20.7m (67.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 59.6 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 37.6 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete

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Structure Number: 4 0245,  Location: 01-HUM-101-86.50-ARC (Lat: 40.872389,  Lng: -124.082806),  Route carried "on" structure: City street ,  Year Built: 1976,  Status: Open,  Structure Length: 6.58m (21.59ft),  Average Daily Traffic: 5,597 (year 2010),  Truck Traffic: 5%,  Average Future Daily Traffic: 12,868 (year 2041),  Design Load: HS 20,  Features Intersected: US HIGHWAY 101,  Facility Carried by Structure: 14TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 3,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 16.5m (54.1ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 37.2m (122.0ft),  Curb or Sidewalk Widths: Left: 2.4m (7.9ft),  Right: 0.0m,  Curb-To-Curb Width: 17.1m (56.1ft),  Out-to-Out Width: 20.3m (66.6ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 65.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 50.5 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 4 0254,  Location: 01-HUM-101-87.48-ARC (Lat: 40.886433,  Lng: -124.080819),  Route carried "on" structure: City street ,  Year Built: 1976,  Status: Open,  Structure Length: 11.70m (38.39ft),  Average Daily Traffic: 2,099 (year 2010),  Truck Traffic: 5%,  Average Future Daily Traffic: 2,180 (year 2041),  Design Load: HS 20,  Features Intersected: US HIGHWAY 101 & NCRRA,  Facility Carried by Structure: SAINT LOUIS RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 34.1m (111.9ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 2.8m (9.2ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 15.8m (51.8ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 99.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 60.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 4C0124,  Location: 0.1 MI S/O JACOBY CRK RD (Lat: 40.832006,  Lng: -124.045392),  Route carried "on" structure: County highway ,  Year Built: 1967,  Status: Open,  Structure Length: 2.07m (6.79ft),  Average Daily Traffic: 162 (year 2011),  Truck Traffic: 1%,  Average Future Daily Traffic: 256 (year 2043),  Features Intersected: JACOBY CREEK,  Facility Carried by Structure: BROOKWOOD DRIVE
Minimum Vertical Clearance: 4.39m (14.40ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 4.2m (13.8ft),  Material/Design: Wood or Timber,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.3m (60.0ft),  Curb or Sidewalk Widths: Left: 0.9m (3.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 4.2m (13.8ft),  Out-to-Out Width: 6.0m (19.7ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  Operating Rating: 27.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 20.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Critical Feature Inspection Date: October 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 4C0136,  Location: 0.03 MI S FRESHWATER RD (Lat: 40.756700,  Lng: -124.049358),  Route carried "on" structure: County highway ,  Year Built: 1972,  Status: Open,  Structure Length: 1.65m (5.41ft),  Average Daily Traffic: 100 (year 2010),  Average Future Daily Traffic: 88 (year 2041),  Features Intersected: FRESHWATER CREEK,  Facility Carried by Structure: FRESHWATER POOL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 4.0m (13.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.5m (50.9ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 3.6m (11.8ft),  Out-to-Out Width: 3.6m (11.8ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  Operating Rating: 48.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 1.65m (5.41ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Critical Feature Inspection Date: June 2021,  Bridge Improvement Cost: $135,000,  Roadway Improvement Cost: $27,000,  Total Project Cost: $227,000 ( Estimate for 2017),  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 4C0182,  Location: 1/4 MI N BAYSIDE CUTOFF (Lat: 40.837686,  Lng: -124.070064),  Route carried "on" structure: County highway ,  Year Built: 1988,  Status: Open,  Structure Length: 2.74m (8.99ft),  Average Daily Traffic: 3,030 (year 2011),  Truck Traffic: 4%,  Average Future Daily Traffic: 7,268 (year 2037),  Design Load: HS 20+Mod,  Features Intersected: JACOBY CREEK,  Facility Carried by Structure: OLD ARCATA RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 13.7m (44.9ft),  Curb-To-Curb Width: 10.8m (35.4ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 54.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: June 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 4C0185,  Location: 0.25 MI S FOSTER AVE (Lat: 40.879636,  Lng: -124.130481),  Route carried "on" structure: County highway ,  Year Built: 1960,  Status: Open,  Structure Length: 2.23m (7.32ft),  Average Daily Traffic: 327 (year 2011),  Truck Traffic: 5%,  Average Future Daily Traffic: 515 (year 2043),  Design Load: H 20,  Features Intersected: LISCOMB SLOUGH,  Facility Carried by Structure: JACKSON RANCH RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 8.5m (27.9ft),  Curb-To-Curb Width: 6.5m (21.3ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 63.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 38.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 4C0232L,  Location: 0.2 MI N 14TH ST (Lat: 40.875367,  Lng: -124.081844),  Route carried "on" structure: City street ,  Year Built: 1976,  Status: Open,  Structure Length: 1.23m (4.04ft),  Average Daily Traffic: 2,000 (year 2002),  Truck Traffic: 2%,  Average Future Daily Traffic: 3,630 (year 2041),  Design Load: HS 20+Mod,  Features Intersected: PEDESTRIAN WALKWAY,  Facility Carried by Structure: EAST FRONTAGE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 35.0 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 26.9 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 4C0232R,  Location: 0.2 MI N 14TH ST (Lat: 40.875372,  Lng: -124.081644),  Route carried "on" structure: City street ,  Year Built: 1976,  Status: Open,  Structure Length: 1.20m (3.94ft),  Average Daily Traffic: 2,000 (year 2002),  Truck Traffic: 2%,  Average Future Daily Traffic: 3,325 (year 2041),  Design Load: HS 20+Mod,  Features Intersected: PEDESTRIAN WALKWAY,  Facility Carried by Structure: EAST FRONTAGE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.6m (38.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Operating Rating: 30.8 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 23.7 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 4 0049,  Location: 01-HUM-255-8.77-ARC (Lat: 40.862625,  Lng: -124.082119),  Route carried "under" structure: US 101,  Year Built: 1965,  Structure Length: 0. m,  Average Daily Traffic: 34,600 (year 2010),  Truck Traffic: 8%,  Features Intersected: U.S. HIGHWAY 101,  Facility Carried by Structure: SR 255
Minimum Vertical Clearance: 4.93m (16.17ft),  Kilometerpoint: 85.830,  Lanes on structure: 4,  Lanes under structure: 8,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 32.9m (107.9ft)

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Structure Number: 4 0054,  Location: 01-HUM-101-86.10-ARC (Lat: 40.866572,  Lng: -124.083511),  Route carried "under" structure: US 101,  Year Built: 1966,  Structure Length: 0. m,  Average Daily Traffic: 34,600 (year 2010),  Truck Traffic: 8%,  Features Intersected: US HIGHWAY 101,  Facility Carried by Structure: SEVENTH ST
Minimum Vertical Clearance: 4.65m (15.26ft),  Kilometerpoint: 86.100,  Lanes on structure: 2,  Lanes under structure: 6,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 39.3m (128.9ft)

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Structure Number: 4 0079L,  Location: 01-HUM-101-87.84-ARC (Lat: 40.891383,  Lng: -124.080361),  Route carried "under" structure: County highway ,  Year Built: 1956,  Structure Length: 0. m,  Average Daily Traffic: 1,000 (year 2010),  Truck Traffic: 40%,  Features Intersected: WEST END RD,CREEK, NCRRA,  Facility Carried by Structure: US HIGHWAY 101 SB
Minimum Vertical Clearance: 8.30m (27.23ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Length of Maximum Span: 16.0m (52.5ft)

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Structure Number: 4 0079R,  Location: 01-HUM-101-87.84-ARC (Lat: 40.891542,  Lng: -124.080219),  Route carried "under" structure: County highway ,  Year Built: 1929,  Structure Length: 0. m,  Average Daily Traffic: 1,000 (year 2010),  Truck Traffic: 2%,  Features Intersected: WEST END RD,CREEK, NCRRA,  Facility Carried by Structure: US HIGHWAY 101 NB
Minimum Vertical Clearance: 7.85m (25.75ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 14.7m (48.2ft)

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Structure Number: 4 0157,  Location: 01-HUM-101-88.80-ARC (Lat: 40.904311,  Lng: -124.087153),  Route carried "under" structure: US 101,  Year Built: 1969,  Structure Length: 0. m,  Average Daily Traffic: 12,900 (year 2010),  Truck Traffic: 10%,  Features Intersected: US HIGHWAY 101,  Facility Carried by Structure: GUINTOLI LANE
Minimum Vertical Clearance: 4.98m (16.34ft),  Kilometerpoint: 88.800,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 54.3m (178.1ft)

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Structure Number: 4 0161,  Location: 01-HUM-299-0.01-ARC (Lat: 40.897042,  Lng: -124.083475),  Route carried "under" structure: US 101,  Year Built: 1956,  Structure Length: 0. m,  Average Daily Traffic: 33,000 (year 2009),  Truck Traffic: 6%,  Features Intersected: US HIGHWAY 101,  Facility Carried by Structure: STATE ROUTE 299
Minimum Vertical Clearance: 4.90m (16.08ft),  Kilometerpoint: 88.270,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Length of Maximum Span: 14.3m (46.9ft)

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Structure Number: 4 0231,  Location: 01-HUM-299-0.72-ARC (Lat: 40.904267,  Lng: -124.073797),  Route carried "under" structure: State highway 299,  Year Built: 1969,  Structure Length: 0. m,  Average Daily Traffic: 12,400 (year 2009),  Truck Traffic: 7%,  Features Intersected: STATE ROUTE 299,  Facility Carried by Structure: GUINTOLI LANE
Minimum Vertical Clearance: 5.00m (16.40ft),  Kilometerpoint: 0.720,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 48.5m (159.1ft)

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Structure Number: 4 0242,  Location: 01-HUM-101-86.33-ARC (Lat: 40.869953,  Lng: -124.083375),  Route carried "under" structure: US 101,  Year Built: 1976,  Structure Length: 0. m,  Average Daily Traffic: 34,600 (year 2010),  Truck Traffic: 8%,  Features Intersected: US HIGHWAY 101,  Facility Carried by Structure: 11TH ST
Minimum Vertical Clearance: 5.02m (16.47ft),  Kilometerpoint: 86.330,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 48.8m (160.1ft)

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Structure Number: 4 0243,  Location: 01-HUM-101-86.77-ARC (Lat: 40.875731,  Lng: -124.083103),  Route carried "under" structure: US 101,  Year Built: 1976,  Structure Length: 0. m,  Average Daily Traffic: 34,600 (year 2010),  Truck Traffic: 8%,  Features Intersected: US HIGHWAY 101,  Facility Carried by Structure: G STREET
Minimum Vertical Clearance: 5.44m (17.85ft),  Kilometerpoint: 86.770,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 56.4m (185.0ft)

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Structure Number: 4 0244,  Location: 01-HUM-101-86.94-ARC (Lat: 40.878669,  Lng: -124.082697),  Route carried "under" structure: US 101,  Year Built: 1976,  Structure Length: 0. m,  Average Daily Traffic: 34,600 (year 2010),  Truck Traffic: 8%,  Features Intersected: US HIGHWAY 101,  Facility Carried by Structure: SUNSET AVE
Minimum Vertical Clearance: 5.69m (18.67ft),  Kilometerpoint: 86.940,  Lanes on structure: 4,  Lanes under structure: 6,  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 46.3m (151.9ft)

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Structure Number: 4 0245,  Location: 01-HUM-101-86.50-ARC (Lat: 40.872389,  Lng: -124.082806),  Route carried "under" structure: US 101,  Year Built: 1976,  Structure Length: 0. m,  Average Daily Traffic: 34,600 (year 2010),  Truck Traffic: 8%,  Features Intersected: US HIGHWAY 101,  Facility Carried by Structure: 14TH ST
Minimum Vertical Clearance: 5.49m (18.01ft),  Kilometerpoint: 86.500,  Lanes on structure: 3,  Lanes under structure: 4,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 37.2m (122.0ft)

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Structure Number: 4 0247,  Location: 01-HUM-101-86.70-ARC (Lat: 40.875217,  Lng: -124.082928),  Route carried "under" structure: US 101,  Year Built: 1976,  Structure Length: 0. m,  Average Daily Traffic: 33,000 (year 2009),  Truck Traffic: 6%,  Features Intersected: US HIGHWAY 101,  Facility Carried by Structure: PEDESTRIAN WALKWAY
Minimum Vertical Clearance: 6.86m (22.51ft),  Kilometerpoint: 86.700,  Lanes under structure: 4,  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 40.2m (131.9ft)

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Structure Number: 4 0254,  Location: 01-HUM-101-87.48-ARC (Lat: 40.886433,  Lng: -124.080819),  Route carried "under" structure: US 101,  Year Built: 1976,  Structure Length: 0. m,  Average Daily Traffic: 34,600 (year 2010),  Truck Traffic: 8%,  Features Intersected: US HIGHWAY 101 & NCRRA,  Facility Carried by Structure: SAINT LOUIS RD
Minimum Vertical Clearance: 6.25m (20.51ft),  Kilometerpoint: 87.480,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 34.1m (111.9ft)

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Structure Number: 4 0278Y,  Location: 01-HUM-101-86.70-ARC (Lat: 40.875464,  Lng: -124.083406),  Route carried "under" structure: Ramp US 101,  Year Built: 1976,  Structure Length: 0. m,  Average Daily Traffic: 4,160 (year 2011),  Truck Traffic: 2%,  Features Intersected: G ST-N101 ON-RAMP,  Facility Carried by Structure: PEDESTRIAN WALKWAY
Minimum Vertical Clearance: 5.26m (17.26ft),  Kilometerpoint: 86.700,  Lanes under structure: 2,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 21.3m (69.9ft)