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


  • National Bridge Inventory (NBI) Statistics
  • 10Number of bridges
  • 220ft / 66.8mTotal length
  • 230,525Total average daily traffic
  • 8,785Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Seaside
  • No street view available for this location

New bridges in Seaside, CA - historical statistics
  • New bridges - historical statistics
  • 11920-1929
  • 51960-1969
  • 41970-1979
Average Bridge Daily Traffic in Seaside, CA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 75.0%Good
  • 25.0%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 75.0%Good
  • 25.0%Satisfactory
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 75.0%Good
  • 25.0%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 33.3%Excellent
  • 33.3%Very good
  • 33.3%Fair
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 50.0%Good
  • 50.0%Satisfactory
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Structure Number: 44 0162R,  Location: 05-MON-001-R79.33-SEA (Lat: 36.609869,  Lng: -121.858131),  Route carried "on" structure: State highway 1,  Year Built: 1968,  Status: Open,  Structure Length: 5.30m (17.39ft),  Average Daily Traffic: 29,500 (year 2009),  Truck Traffic: 4%,  Average Future Daily Traffic: 47,567 (year 2043),  Design Load: HS 20,  Features Intersected: STATE ROUTE 218
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 79.330,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 11.3m (37.1ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 25.0m (82.0ft),  Curb-To-Curb Width: 11.3m (37.1ft),  Out-to-Out Width: 11.9m (39.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 48.9 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: 37.9 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: Somewhat better than minimum adequacy,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 44 0199,  Location: 05-MON-001-R82.89 (Lat: 36.647350,  Lng: -121.815969),  Route carried "on" structure: Ramp State highway 1,  Year Built: 1973,  Status: Open,  Structure Length: 7.99m (26.21ft),  Average Daily Traffic: 7,000 (year 2013),  Truck Traffic: 3%,  Average Future Daily Traffic: 11,719 (year 2043),  Design Load: HS 20+Mod,  Features Intersected: STATE ROUTE 1
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 82.890,  Lanes on structure: 3,  Lanes under structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.5m (50.9ft),  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: 45.7m (149.9ft),  Curb-To-Curb Width: 17.7m (58.1ft),  Out-to-Out Width: 18.3m (60.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 49.2 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: 30.1 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,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 44 02,  Location: 05-MON-001-R83.27 (Lat: 36.652553,  Lng: -121.815314),  Route carried "on" structure: State highway 1,  Year Built: 1973,  Status: Open,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 59,000 (year 2009),  Truck Traffic: 4%,  Average Future Daily Traffic: 90,199 (year 2037),  Design Load: HS 20+Mod,  Features Intersected: 1ST STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 83.270,  Lanes on structure: 6,  Lanes under structure: 2,  Base Highway Network: Yes (,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 31.1m (102.0ft),  Skew: 31 degrees,  Material/Design: Concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.3m (37.1ft),  Curb-To-Curb Width: 75.7m (248.4ft),  Out-to-Out Width: 75.7m (248.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 99.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 99.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: August 2019,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 44 0227,  Location: 05-MON-001-R79.34-SEA (Lat: 36.609497,  Lng: -121.858006),  Route carried "on" structure: Ramp State highway 1,  Year Built: 1967,  Year Reconstructed: 1998,  Status: Open,  Structure Length: 0.85m (2.79ft),  Average Daily Traffic: 12,800 (year 2013),  Truck Traffic: 4%,  Average Future Daily Traffic: 19,735 (year 2043),  Design Load: HS 20+Mod,  Features Intersected: ROBERTS LAKE OUTLET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 79.340,  Lanes on structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 1.8m (5.9ft)

Condition: Channel: Fair,  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,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021
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Structure Number: 44C0101,  Location: E OF US 101 NR SAN ARDO (Lat: 36.015942,  Lng: -120.914450),  Route carried "on" structure: County highway ,  Year Built: 1929,  Status: Open,  Structure Length: 50.41m (165.39ft),  Average Daily Traffic: 1,500 (year 2017),  Truck Traffic: 1%,  Average Future Daily Traffic: 3,163 (year 2039),  Design Load: H 15,  Features Intersected: SALINAS RIVER,  Facility Carried by Structure: CATTLEMEN ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Steel,  Design/Construction: Truss - Deck,  Number Of Spans In Main Unit: 10,  Number Of Approach Spans: 17,  Length of Maximum Span: 30.5m (100.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Excellent,  Operating Rating: 37.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 22.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Critical Feature Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 44C0103,  Location: BTWN SH 1 & SH 218 (Lat: 36.606197,  Lng: -121.858119),  Route carried "on" structure: City street ,  Year Built: 1977,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 39,830 (year 1986),  Truck Traffic: 3%,  Average Future Daily Traffic: 46,716 (year 2037),  Features Intersected: CANYON DEL REY CREEK,  Facility Carried by Structure: DEL MONTE BLVD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 5,  Base Highway Network: Yes,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 22.6m (74.1ft),  Skew: 30 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.9m (16.1ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 2.3m (7.5ft),  Curb-To-Curb Width: 22.6m (74.1ft),  Out-to-Out Width: 27.4m (89.9ft)

Condition: Channel: Very good,  Culverts: 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: Equal to present minimum criteria,  Deck Geometry: Equal to 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: June 2020
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Structure Number: 44 0162L,  Location: 05-MON-001-R79.33-SEA (Lat: 36.610128,  Lng: -121.858122),  Route carried "under" structure: State highway 218,  Year Built: 1968,  Structure Length: 0. m,  Average Daily Traffic: 9,200 (year 2005),  Truck Traffic: 5%,  Features Intersected: STATE ROUTE 218,  Facility Carried by Structure: STATE ROUTE 1 SB
Minimum Vertical Clearance: 5.96m (19.55ft),  Kilometerpoint: 0.010,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 25.0m (82.0ft)

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Structure Number: 44 0162R,  Location: 05-MON-001-R79.33-SEA (Lat: 36.609869,  Lng: -121.858131),  Route carried "under" structure: State highway 218,  Year Built: 1968,  Structure Length: 0. m,  Average Daily Traffic: 9,200 (year 2005),  Truck Traffic: 5%,  Features Intersected: STATE ROUTE 218,  Facility Carried by Structure: STATE ROUTE 1 NB
Minimum Vertical Clearance: 5.86m (19.23ft),  Kilometerpoint: 0.010,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 25.0m (82.0ft)

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Structure Number: 44 0199,  Location: 05-MON-001-R82.89 (Lat: 36.647350,  Lng: -121.815969),  Route carried "under" structure: State highway 1,  Year Built: 1973,  Structure Length: 0. m,  Average Daily Traffic: 59,000 (year 2009),  Truck Traffic: 4%,  Features Intersected: STATE ROUTE 1
Minimum Vertical Clearance: 5.44m (17.85ft),  Kilometerpoint: 82.890,  Lanes on structure: 3,  Lanes under structure: 6,  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 45.7m (149.9ft)

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Structure Number: 44C0104,  Location: 0.2 MI E YOSEMITE ST (Lat: 36.614333,  Lng: -121.826644),  Route carried "under" structure: City street ,  Year Built: 1960,  Structure Length: 0. m,  Average Daily Traffic: 3,495 (year 1990),  Truck Traffic: 1%,  Features Intersected: SAN PABLO AVE,  Facility Carried by Structure: PEDESTRIAN WALKWAY
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 0.000,  Lanes under structure: 2,  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 27.0m (88.6ft)

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