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


  • National Bridge Inventory (NBI) Statistics
  • 11Number of bridges
  • 256ft / 78.3mTotal length
  • 138,301Total average daily traffic
  • 15,172Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Parkwood
  • No street view available for this location

New bridges in Parkwood, CA - historical statistics
  • New bridges - historical statistics
  • 31960-1969
  • 11970-1979
  • 12000-2009
  • 62010-2019
Average Bridge Daily Traffic in Parkwood, CA
Average Bridge Truck Traffic in Parkwood, CA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 40.0%Good
  • 50.0%Fair
  • 10.0%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 80.0%Good
  • 20.0%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 44.4%Very good
  • 44.4%Good
  • 11.1%Satisfactory
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Structure Number: 41 0065L,  Location: 06-MAD-099-R7.28 (Lat: 36.921731,  Lng: -120.019617),  Route carried "on" structure: State highway 99,  Year Built: 1967,  Status: Open,  Structure Length: 7.32m (24.02ft),  Average Daily Traffic: 32,500 (year 2009),  Average Future Daily Traffic: 69,522 (year 2043),  Design Load: HS 20,  Features Intersected: COTTONWOOD CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.280,  Lanes on structure: 2,  Base Highway Network: Yes (,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 8,  Length of Maximum Span: 10.1m (33.1ft),  Curb-To-Curb Width: 11.5m (37.7ft),  Out-to-Out Width: 12.1m (39.7ft)

Condition: Deck: Poor,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 39.2 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: 27.9 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: 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: June 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 41 0065R,  Location: 06-MAD-099-R7.28 (Lat: 36.921958,  Lng: -120.019569),  Route carried "on" structure: State highway 99,  Year Built: 1967,  Status: Open,  Structure Length: 7.32m (24.02ft),  Average Daily Traffic: 32,500 (year 2009),  Average Future Daily Traffic: 69,522 (year 2043),  Design Load: HS 20,  Features Intersected: COTTONWOOD CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.280,  Lanes on structure: 2,  Base Highway Network: Yes (,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 8,  Length of Maximum Span: 10.1m (33.1ft),  Curb-To-Curb Width: 11.5m (37.7ft),  Out-to-Out Width: 12.1m (39.7ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 39.2 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: 27.9 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: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  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
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Structure Number: 41 0065S,  Location: 06-MAD-099-R7.28 (Lat: 36.922133,  Lng: -120.019569),  Route carried "on" structure: Ramp State highway 99,  Year Built: 1967,  Status: Open,  Structure Length: 8.26m (27.10ft),  Average Daily Traffic: 1,650 (year 2010),  Truck Traffic: 10%,  Average Future Daily Traffic: 3,446 (year 2041),  Design Load: HS 20,  Features Intersected: COTTONWOOD CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.280,  Lanes on structure: 1,  Owner: State Highway Agency,  Approaching Roadway Width: 6.8m (22.3ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 8,  Length of Maximum Span: 11.0m (36.1ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.0m,  Curb-To-Curb Width: 6.8m (22.3ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 39.2 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: 27.5 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: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 41 0087,  Location: 06-MAD-145-5.39 (Lat: 36.899758,  Lng: -120.055122),  Route carried "on" structure: State highway 145,  Year Built: 2009,  Status: Open,  Structure Length: 4.09m (13.42ft),  Average Daily Traffic: 5,800 (year 2009),  Truck Traffic: 12%,  Average Future Daily Traffic: 13,053 (year 2041),  Design Load: HL 93,  Features Intersected: COTTONWOOD CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.390,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 1,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 12.0m (39.4ft),  Skew: 2 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 9.2m (30.2ft),  Curb-To-Curb Width: 12.0m (39.4ft),  Out-to-Out Width: 12.9m (42.3ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Very good,  Operating Rating: 42.1 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 41 0088,  Location: 06-MAD-099-R7.10 (Lat: 36.924100,  Lng: -120.022283),  Route carried "on" structure: County highway ,  Year Built: 2016,  Status: Open,  Structure Length: 9.02m (29.59ft),  Average Daily Traffic: 5,000 (year 2016),  Truck Traffic: 8%,  Average Future Daily Traffic: 6,141 (year 2041),  Design Load: HL 93,  Features Intersected: SR 99,  Facility Carried by Structure: AVENUE 12
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 8,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 39.0m (128.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 45.1m (148.0ft),  Curb or Sidewalk Widths: Left: 3.0m (9.8ft),  Right: 3.0m (9.8ft),  Curb-To-Curb Width: 39.0m (128.0ft),  Out-to-Out Width: 45.7m (149.9ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Operating Rating: 42.1 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Equal to present minimum criteria,  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
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Structure Number: 41 0089K,  Location: 06-MAD-099-R7.28 (Lat: 36.922128,  Lng: -120.020461),  Route carried "on" structure: Ramp State highway 99,  Year Built: 2016,  Status: Open,  Structure Length: 6.89m (22.60ft),  Average Daily Traffic: 1,650 (year 2010),  Truck Traffic: 10%,  Average Future Daily Traffic: 3,563 (year 2043),  Design Load: HL 93,  Features Intersected: SR 99,  Facility Carried by Structure: ONRAMP
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.280,  Lanes on structure: 1,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 19.7m (64.6ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.2m (26.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 42.1 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: June 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 41C0024,  Location: 0.07 MI W RD 28 1/2 (Lat: 36.909350,  Lng: -120.030306),  Route carried "on" structure: County highway ,  Year Built: 1977,  Status: Open,  Structure Length: 3.54m (11.61ft),  Average Daily Traffic: 425 (year 1979),  Truck Traffic: 7%,  Average Future Daily Traffic: 1,095 (year 2042),  Design Load: HS 20,  Features Intersected: COTTONWOOD CREEK,  Facility Carried by Structure: AVE 11
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),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 8.5m (27.9ft),  Curb-To-Curb Width: 9.2m (30.2ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Good,  Operating Rating: 40.5 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: 31.1 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: 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: Febuary 2022,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 41C0203,  Location: 0.6MI N OF AVE 10 (Lat: 36.901831,  Lng: -120.037497),  Route carried "on" structure: County highway ,  Year Built: 2011,  Status: Open,  Structure Length: 6.14m (20.14ft),  Average Daily Traffic: 161 (year 1978),  Truck Traffic: 10%,  Average Future Daily Traffic: 339 (year 2044),  Features Intersected: COTTONWOOD CREEK,  Facility Carried by Structure: ROAD 28
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 2 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 7,  Length of Maximum Span: 9.3m (30.5ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  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: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2022,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 41C0207,  Location: 0.04 MI E/O SR 99 (Lat: 36.923953,  Lng: -120.021019),  Route carried "on" structure: County highway ,  Year Built: 2015,  Status: Open,  Structure Length: 19.29m (63.29ft),  Average Daily Traffic: 2,000 (year 2000),  Truck Traffic: 10%,  Average Future Daily Traffic: 4,956 (year 2042),  Design Load: Greater than HL93,  Features Intersected: UP RR, COTTONWOOD CREEK,  Facility Carried by Structure: AVENUE 12
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 7,  Owner: County Highway Agency,  Approaching Roadway Width: 18.3m (60.0ft),  Skew: 34 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 65.5m (214.9ft),  Curb or Sidewalk Widths: Left: 3.0m (9.8ft),  Right: 3.0m (9.8ft),  Curb-To-Curb Width: 32.9m (107.9ft),  Out-to-Out Width: 45.7m (149.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 42.1 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Superior to present desirable criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 41C0209,  Location: 0.27 MI S/O AVE 12 (Lat: 36.922306,  Lng: -120.021300),  Route carried "on" structure: County highway ,  Year Built: 2015,  Status: Open,  Structure Length: 6.46m (21.19ft),  Average Daily Traffic: 615 (year 2016),  Truck Traffic: 10%,  Average Future Daily Traffic: 738 (year 2044),  Design Load: Greater than HL93,  Features Intersected: COTTONWOOD CREEK,  Facility Carried by Structure: ROAD 29
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Prestressed concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 23.0m (75.5ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.6m (34.8ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 42.1 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 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 48 months,  Inspection Date: Febuary 2022,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 41 0088,  Location: 06-MAD-099-R7.10 (Lat: 36.924100,  Lng: -120.022283),  Route carried "under" structure: State highway 99,  Year Built: 2016,  Structure Length: 0. m,  Average Daily Traffic: 56,000 (year 2009),  Truck Traffic: 24%,  Features Intersected: SR 99,  Facility Carried by Structure: AVENUE 12
Minimum Vertical Clearance: 5.30m (17.39ft),  Kilometerpoint: 7.100,  Lanes on structure: 8,  Lanes under structure: 4,  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 45.1m (148.0ft)

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