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


  • National Bridge Inventory (NBI) Statistics
  • 11Number of bridges
  • 92ft / 27.8mTotal length
  • 56,901Total average daily traffic
  • 3,284Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Lakeport
  • No street view available for this location

New bridges in Lakeport, CA - historical statistics
  • New bridges - historical statistics
  • 11950-1959
  • 11960-1969
  • 71970-1979
  • 22010-2019
Average Bridge Daily Traffic in Lakeport, CA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 75.0%Good
  • 25.0%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 25.0%Good
  • 75.0%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 87.5%Good
  • 12.5%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 40.0%Excellent
  • 40.0%Good
  • 20.0%Satisfactory
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 50.0%Good
  • 50.0%Satisfactory
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Structure Number: 14 0038L,  Location: 01-LAK-029-R42.68 (Lat: 39.049892,  Lng: -122.931550),  Route carried "on" structure: State highway 29,  Year Built: 1972,  Status: Open,  Structure Length: 3.41m (11.19ft),  Average Daily Traffic: 6,725 (year 2009),  Truck Traffic: 6%,  Average Future Daily Traffic: 12,635 (year 2040),  Design Load: HS 20,  Features Intersected: 11TH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 42.680,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 33.5m (109.9ft),  Curb-To-Curb Width: 11.9m (39.0ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 44.4 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: 29.8 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: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 14 0038R,  Location: 01-LAK-029-R42.68 (Lat: 39.049878,  Lng: -122.931319),  Route carried "on" structure: State highway 29,  Year Built: 1972,  Status: Open,  Structure Length: 3.41m (11.19ft),  Average Daily Traffic: 6,725 (year 2009),  Truck Traffic: 6%,  Average Future Daily Traffic: 12,635 (year 2040),  Design Load: HS 20,  Features Intersected: 11TH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 42.680,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 33.5m (109.9ft),  Curb-To-Curb Width: 11.9m (39.0ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 44.4 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: 29.8 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: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 14 0067,  Location: 01-LAK-029-R38.91 (Lat: 39.003133,  Lng: -122.898775),  Route carried "on" structure: State highway 29,  Year Built: 1966,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 12,100 (year 2009),  Truck Traffic: 6%,  Average Future Daily Traffic: 19,422 (year 2040),  Features Intersected: MANNING CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 38.910,  Lanes on structure: 2,  Base Highway Network: Yes (,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 12.0m (39.4ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 2.4m (7.9ft),  Curb-To-Curb Width: 15.2m (49.9ft),  Out-to-Out Width: 15.2m (49.9ft)

Condition: Channel: Satisfactory,  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 minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.79m (2.59ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 14 0068,  Location: 01-LAK-029-R41.42 (Lat: 39.033056,  Lng: -122.924136),  Route carried "on" structure: County highway ,  Year Built: 1972,  Status: Open,  Structure Length: 5.79m (19.00ft),  Average Daily Traffic: 1,300 (year 1998),  Truck Traffic: 2%,  Average Future Daily Traffic: 1,970 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: STATE ROUTE 29,  Facility Carried by Structure: LAKEPORT BLVD
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: 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: 27.4m (89.9ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 68.4 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: 52.8 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: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 14 0069L,  Location: 01-LAK-029-R42.00 (Lat: 39.040289,  Lng: -122.929808),  Route carried "on" structure: State highway 29,  Year Built: 1972,  Status: Open,  Structure Length: 4.02m (13.19ft),  Average Daily Traffic: 6,725 (year 2009),  Truck Traffic: 6%,  Average Future Daily Traffic: 12,635 (year 2040),  Design Load: HS 20,  Features Intersected: MARTIN STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 42.000,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 39.6m (129.9ft),  Curb-To-Curb Width: 11.9m (39.0ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 59.3 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: 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: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 14 0069R,  Location: 01-LAK-029-R42.00 (Lat: 39.040286,  Lng: -122.929531),  Route carried "on" structure: State highway 29,  Year Built: 1972,  Status: Open,  Structure Length: 4.02m (13.19ft),  Average Daily Traffic: 6,725 (year 2009),  Truck Traffic: 6%,  Average Future Daily Traffic: 12,635 (year 2040),  Design Load: HS 20,  Features Intersected: MARTIN STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 42.000,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 39.6m (129.9ft),  Curb-To-Curb Width: 11.9m (39.0ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 58.0 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: 36.9 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: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.02m (13.19ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 14C0046,  Location: 0.9 MI E/O SR 29 (Lat: 39.011214,  Lng: -122.900403),  Route carried "on" structure: County highway ,  Year Built: 1956,  Status: Open,  Structure Length: 2.02m (6.63ft),  Average Daily Traffic: 1,545 (year 2009),  Truck Traffic: 5%,  Average Future Daily Traffic: 2,342 (year 2042),  Design Load: HS 20,  Features Intersected: MANNING CREEK,  Facility Carried by Structure: SODA BAY RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 7.9m (25.9ft),  Curb-To-Curb Width: 9.7m (31.8ft),  Out-to-Out Width: 9.9m (32.5ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Good,  Operating Rating: 60.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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: Febuary 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 14C0066,  Location: 0.6 MI EAST OF SR 29 (Lat: 39.040369,  Lng: -122.919481),  Route carried "on" structure: City street ,  Year Built: 1970,  Status: Open,  Structure Length: 0.83m (2.72ft),  Average Daily Traffic: 1,046 (year 2008),  Truck Traffic: 2%,  Average Future Daily Traffic: 1,648 (year 2044),  Features Intersected: FORBES CREEK,  Facility Carried by Structure: MARTIN ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.3m (30.5ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.1m (13.5ft),  Curb or Sidewalk Widths: Left: 1.2m (3.9ft),  Right: 1.2m (3.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 15.2m (49.9ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 40.5 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 24.3 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to 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 24 months,  Inspection Date: Febuary 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 14C0123,  Location: 0.1 MI S OF SR 175 (Lat: 38.998439,  Lng: -122.912542),  Route carried "on" structure: County highway ,  Year Built: 2017,  Status: Open,  Structure Length: 2.24m (7.35ft),  Average Daily Traffic: 310 (year 2011),  Truck Traffic: 3%,  Average Future Daily Traffic: 519 (year 2038),  Design Load: HL 93,  Features Intersected: MANNING CREEK,  Facility Carried by Structure: MATHEWS ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.9m (22.6ft),  Material/Design: Prestressed concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 22.4m (73.5ft),  Curb-To-Curb Width: 6.9m (22.6ft),  Out-to-Out Width: 6.9m (22.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Excellent,  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: Meets minimum limits,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 14C0126,  Location: 0.1 MI N/O MATHEWS RD (Lat: 38.998575,  Lng: -122.907861),  Route carried "on" structure: County highway ,  Year Built: 2015,  Status: Open,  Structure Length: 1.25m (4.10ft),  Average Daily Traffic: 250 (year 2011),  Truck Traffic: 3%,  Average Future Daily Traffic: 410 (year 2044),  Design Load: Greater than HL93,  Features Intersected: MANNING CREEK,  Facility Carried by Structure: ACKLEY 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),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.3m (37.1ft),  Curb-To-Curb Width: 6.9m (22.6ft),  Out-to-Out Width: 6.9m (22.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Excellent,  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: Meets minimum limits,  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: 14 0068,  Location: 01-LAK-029-R41.42 (Lat: 39.033056,  Lng: -122.924136),  Route carried "under" structure: State highway 29,  Year Built: 1972,  Structure Length: 0. m,  Average Daily Traffic: 13,450 (year 2009),  Truck Traffic: 6%,  Features Intersected: STATE ROUTE 29,  Facility Carried by Structure: LAKEPORT BLVD
Minimum Vertical Clearance: 4.96m (16.27ft),  Kilometerpoint: 41.420,  Lanes on structure: 3,  Lanes under structure: 4,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 27.4m (89.9ft)

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