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


  • National Bridge Inventory (NBI) Statistics
  • 11Number of bridges
  • 95ft / 29.0mTotal length
  • 311,469Total average daily traffic
  • 12,045Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Aptos
  • No street view available for this location

New bridges in Aptos, CA - historical statistics
  • New bridges - historical statistics
  • 31920-1929
  • 11930-1939
  • 31940-1949
  • 11950-1959
  • 31960-1969
Average Bridge Daily Traffic in Aptos, CA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 40.0%Good
  • 20.0%Satisfactory
  • 40.0%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 60.0%Good
  • 20.0%Satisfactory
  • 20.0%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 80.0%Good
  • 20.0%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 50.0%Good
  • 25.0%Fair
  • 25.0%Poor
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Structure Number: 36 0011,  Location: 05-SCR-001-10.01 (Lat: 36.975167,  Lng: -121.901828),  Route carried "on" structure: State highway 1,  Year Built: 1948,  Status: Open,  Structure Length: 7.92m (25.98ft),  Average Daily Traffic: 78,000 (year 2019),  Truck Traffic: 3%,  Average Future Daily Traffic: 133,770 (year 2043),  Design Load: HS 20,  Features Intersected: APTOS CRK & SPRECKELS DR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.010,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes (,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 20.7m (67.9ft),  Skew: 30 degrees,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 17.1m (56.1ft),  Curb-To-Curb Width: 16.8m (55.1ft),  Out-to-Out Width: 18.5m (60.7ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: 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: 21.1 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: Meets minimum limits,  Underclear: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 36 0028,  Location: 05-SCR-001-10.54 (Lat: 36.977678,  Lng: -121.910592),  Route carried "on" structure: County highway E197,  Year Built: 1963,  Status: Open,  Structure Length: 6.46m (21.19ft),  Average Daily Traffic: 16,200 (year 2019),  Truck Traffic: 1%,  Average Future Daily Traffic: 26,721 (year 2039),  Design Load: HS 20,  Features Intersected: STATE ROUTE 1,  Facility Carried by Structure: STATE PARK DRIVE
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: 9.7m (31.8ft),  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Number Of Approach Spans: 2,  Length of Maximum Span: 21.9m (71.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.0m,  Curb-To-Curb Width: 9.7m (31.8ft),  Out-to-Out Width: 12.3m (40.4ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Operating Rating: 36.6 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: 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,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 36C0075,  Location: AT SPRECKLES DR (Lat: 36.976236,  Lng: -121.904039),  Route carried "on" structure: County highway ,  Year Built: 1928,  Status: Open,  Structure Length: 7.60m (24.93ft),  Average Daily Traffic: 14,600 (year 2016),  Truck Traffic: 10%,  Average Future Daily Traffic: 15,915 (year 2041),  Features Intersected: APTOS CREEK,  Facility Carried by Structure: SOQUEL DR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 9 degrees,  Material/Design: Concrete,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 10,  Length of Maximum Span: 41.1m (134.8ft),  Curb or Sidewalk Widths: Left: 1.1m (3.6ft),  Right: 1.1m (3.6ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Fair,  Operating Rating: 36.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 21.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 36C0116,  Location: @ BEAR VALLEY ROAD (Lat: 36.996097,  Lng: -121.866256),  Route carried "on" structure: County highway ,  Year Built: 1935,  Year Reconstructed: 2003,  Status: Open,  Structure Length: 4.77m (15.65ft),  Average Daily Traffic: 3,000 (year 2016),  Truck Traffic: 10%,  Average Future Daily Traffic: 4,200 (year 2040),  Features Intersected: VALENCIA CREEK,  Facility Carried by Structure: VALENCIA 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),  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 27.3m (89.6ft),  Curb or Sidewalk Widths: Left: 1.2m (3.9ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 9.3m (30.5ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Poor,  Operating Rating: 44.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 36P0015,  Location: FOREST OF NISENE MARKS SP (Lat: 37.001550,  Lng: -121.906297),  Route carried "on" structure: State lands road ,  Year Built: 1955,  Status: Open,  Structure Length: 2.23m (7.32ft),  Average Daily Traffic: 200 (year 2015),  Truck Traffic: 1%,  Average Future Daily Traffic: 300 (year 2040),  Features Intersected: APTOS CREEK,  Facility Carried by Structure: APTOS CREEK ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: State Park, Forest, or Reservation Agency,  Approaching Roadway Width: 4.6m (15.1ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 21.3m (69.9ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 3.4m (11.2ft),  Out-to-Out Width: 3.8m (12.5ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  Operating Rating: 28.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 16.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Critical Feature Inspection Date: April 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 36 0011,  Location: 05-SCR-001-10.01 (Lat: 36.975167,  Lng: -121.901828),  Route carried "under" structure: County highway E199,  Year Built: 1948,  Structure Length: 0. m,  Average Daily Traffic: 560 (year 2017),  Truck Traffic: 2%,  Features Intersected: APTOS CRK & SPRECKELS DR,  Facility Carried by Structure: STATE ROUTE 1
Minimum Vertical Clearance: 4.67m (15.32ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 2,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Length of Maximum Span: 17.1m (56.1ft)

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Structure Number: 36 0012,  Location: 05-SCR-001-10.23 (Lat: 36.975594,  Lng: -121.906039),  Route carried "under" structure: State highway 1,  Year Built: 1948,  Structure Length: 0. m,  Average Daily Traffic: 78,000 (year 2009),  Truck Traffic: 3%,  Features Intersected: STATE ROUTE 1,  Facility Carried by Structure: UP RR
Minimum Vertical Clearance: 4.72m (15.49ft),  Kilometerpoint: 10.230,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Girder and Floorbeam System,  Length of Maximum Span: 20.4m (66.9ft)

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Structure Number: 36 0028,  Location: 05-SCR-001-10.54 (Lat: 36.977678,  Lng: -121.910592),  Route carried "under" structure: State highway 1,  Year Built: 1963,  Structure Length: 0. m,  Average Daily Traffic: 78,000 (year 2019),  Truck Traffic: 3%,  Features Intersected: STATE ROUTE 1,  Facility Carried by Structure: STATE PARK DRIVE
Minimum Vertical Clearance: 4.74m (15.55ft),  Kilometerpoint: 10.540,  Lanes on structure: 2,  Lanes under structure: 6,  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 21.9m (71.9ft)

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Structure Number: 36C0069,  Location: W APTOS ST (Lat: 36.975919,  Lng: -121.898778),  Route carried "under" structure: County highway ,  Year Built: 1924,  Structure Length: 0. m,  Average Daily Traffic: 15,000 (year 2017),  Truck Traffic: 2%,  Features Intersected: SOQUEL DR,  Facility Carried by Structure: UP RR
Minimum Vertical Clearance: 4.31m (14.14ft),  Kilometerpoint: 0.000,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 18.0m (59.1ft)

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Structure Number: 36C0077,  Location: AT INTRX W/SPRECKLES DR (Lat: 36.976289,  Lng: -121.904283),  Route carried "under" structure: County highway ,  Year Built: 1929,  Structure Length: 0. m,  Average Daily Traffic: 12,909 (year 1980),  Truck Traffic: 10%,  Features Intersected: SOQUEL DR,  Facility Carried by Structure: UP RR
Minimum Vertical Clearance: 4.46m (14.63ft),  Kilometerpoint: 0.000,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Girder and Floorbeam System,  Length of Maximum Span: 21.0m (68.9ft)

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Structure Number: 36C0103,  Location: 3.7 MI E OF SR 1 (Lat: 36.987919,  Lng: -121.924294),  Route carried "under" structure: County highway ,  Year Built: 1962,  Structure Length: 0. m,  Average Daily Traffic: 15,000 (year 2008),  Truck Traffic: 10%,  Features Intersected: SOQUEL DR,  Facility Carried by Structure: PEDESTRIAN WALKWAY
Minimum Vertical Clearance: 4.67m (15.32ft),  Kilometerpoint: 0.000,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 14.9m (48.9ft)

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