Bridge Statistics for Larkfield-Wikiup, California (CA)
Condition, Traffic, Stress, Structural Evaluation, Project Costs

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Structure Number: 20 018,  Location: 04-SON-101-26.10 (Lat: 38.508906,  Lng: -122.772339),  Route carried "on" structure: US 101,  Year Built: 1962,  Year Reconstructed: 2013,  Status: Open,  Structure Length: 4.45m (14.60ft),  Average Daily Traffic: 62,000 (year 2012),  Truck Traffic: 6%,  Average Future Daily Traffic: 142,000 (year 2037),  Design Load: HS 20,  Features Intersected: MARK WEST CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 26.100,  Lanes on structure: 7,  Base Highway Network: Yes (Inventory Route: 1,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 48.8m (160.1ft),  Skew: 32 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 9.8m (32.2ft),  Curb-To-Curb Width: 48.8m (160.1ft),  Out-to-Out Width: 50.0m (164.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Good,  Operating Rating: 73.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 44.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 20 0181,  Location: 04-SON-101-27.39 (Lat: 38.523208,  Lng: -122.787353),  Route carried "on" structure: US 101,  Year Built: 1962,  Year Reconstructed: 2009,  Status: Open,  Structure Length: 2.07m (6.79ft),  Average Daily Traffic: 62,000 (year 2014),  Truck Traffic: 6%,  Average Future Daily Traffic: 142,000 (year 2038),  Design Load: HS 20,  Features Intersected: PRUITT CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 27.390,  Lanes on structure: 7,  Base Highway Network: Yes (Inventory Route: 1,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 48.0m (157.5ft),  Skew: 30 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: 42.0m (137.8ft),  Out-to-Out Width: 43.2m (141.7ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Very good,  Operating Rating: 66.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 20 0199,  Location: 04-SON-101-24.86 (Lat: 38.496136,  Lng: -122.756703),  Route carried "on" structure: County highway ,  Year Built: 1962,  Status: Open,  Structure Length: 9.27m (30.41ft),  Average Daily Traffic: 9,000 (year 2016),  Truck Traffic: 2%,  Average Future Daily Traffic: 10,270 (year 2037),  Design Load: HS 20,  Features Intersected: U.S. HIGHWAY 101,  Facility Carried by Structure: RIVER ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 7,  Owner: State Highway Agency,  Approaching Roadway Width: 8.8m (28.9ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 31.1m (102.0ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 12.3m (40.4ft)

Condition: Deck: Fair,  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: 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: Somewhat better than minimum adequacy,  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: August 2020,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 20 0297,  Location: 04-SON-101-26.30 (Lat: 38.511381,  Lng: -122.776081),  Route carried "on" structure: Business County highway ,  Year Built: 2014,  Status: Open,  Structure Length: 10.06m (33.01ft),  Average Daily Traffic: 5,000 (year 2014),  Truck Traffic: 3%,  Average Future Daily Traffic: 6,000 (year 2037),  Design Load: HL 93,  Features Intersected: US HIGHWAY 101,  Facility Carried by Structure: AIRPORT BLVD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 7,  Owner: State Highway Agency,  Approaching Roadway Width: 23.1m (75.8ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 50.3m (165.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.0m,  Curb-To-Curb Width: 23.1m (75.8ft),  Out-to-Out Width: 25.5m (83.7ft)

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: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 20 0298S,  Location: 04-SON-101-26.12 (Lat: 38.509056,  Lng: -122.772042),  Route carried "on" structure: Ramp US 101,  Year Built: 2014,  Status: Open,  Structure Length: 4.12m (13.52ft),  Average Daily Traffic: 10,000 (year 2014),  Truck Traffic: 6%,  Average Future Daily Traffic: 12,000 (year 2037),  Design Load: HL 93,  Features Intersected: MARK WEST CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 26.120,  Lanes on structure: 1,  Owner: State Highway Agency,  Approaching Roadway Width: 10.3m (33.8ft),  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: 41.2m (135.2ft),  Curb-To-Curb Width: 10.3m (33.8ft),  Out-to-Out Width: 11.9m (39.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  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,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 20C0083,  Location: 0.4 MI S/O AIRPORT BLVD (Lat: 38.506258,  Lng: -122.758983),  Route carried "on" structure: County highway ,  Year Built: 1956,  Status: Open,  Structure Length: 5.27m (17.29ft),  Average Daily Traffic: 16,600 (year 2015),  Truck Traffic: 2%,  Average Future Daily Traffic: 8,523 (year 2040),  Design Load: HS 20,  Features Intersected: MARK WEST CREEK,  Facility Carried by Structure: OLD REDWOOD HWY
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: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 9.4m (30.8ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 11.2m (36.7ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 49.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.8 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 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: 20C0084,  Location: 1.75 MI S PLEASANT RD (Lat: 38.521283,  Lng: -122.775297),  Route carried "on" structure: County highway ,  Year Built: 1913,  Year Reconstructed: 1925,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 9,000 (year 2018),  Truck Traffic: 2%,  Average Future Daily Traffic: 11,400 (year 2041),  Features Intersected: PRUITT CREEK,  Facility Carried by Structure: OLD REDWOOD HWY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.4m (11.2ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.0m (39.4ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 35.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 21.1 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 desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.73m (2.40ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021

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Structure Number: 20C0325,  Location: .7M NW MARK WEST SPRGS RD (Lat: 38.554633,  Lng: -122.728369),  Route carried "on" structure: County highway ,  Year Built: 1972,  Status: Open,  Structure Length: 1.08m (3.54ft),  Average Daily Traffic: 63 (year 2015),  Truck Traffic: 1%,  Average Future Daily Traffic: 110 (year 2040),  Features Intersected: PORTER CREEK,  Facility Carried by Structure: LESLIE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Skew: 9 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.6m (18.4ft),  Curb-To-Curb Width: 4.1m (13.5ft),  Out-to-Out Width: 4.3m (14.1ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Channel: Poor,  Operating Rating: 31.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 18.8 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 1.04m (3.41ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Critical Feature Inspection Date: October 2021,  Bridge Improvement Cost: $45,000,  Roadway Improvement Cost: $20,000,  Total Project Cost: $173,000 ( Estimate for 2017),  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 20C0334,  Location: 0.3 MI N OF E SHILOH RD (Lat: 38.530386,  Lng: -122.765094),  Route carried "on" structure: County highway ,  Year Built: 1935,  Status: Open,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 2,900 (year 2015),  Truck Traffic: 3%,  Average Future Daily Traffic: 3,000 (year 2040),  Features Intersected: PRUITT CREEK,  Facility Carried by Structure: FAUGHT ROAD
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: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.3m (14.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 27.2 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 16.2 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of replacement,  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,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 20C0572,  Location: 7.1 MI NE MARK WEST & 101 (Lat: 38.556819,  Lng: -122.694542),  Route carried "on" structure: County highway ,  Year Built: 2014,  Status: Open,  Structure Length: 4.88m (16.01ft),  Average Daily Traffic: 7,300 (year 2015),  Truck Traffic: 5%,  Average Future Daily Traffic: 5,919 (year 2040),  Design Load: HL 93,  Features Intersected: PORTER CREEK,  Facility Carried by Structure: PORTER CREEK ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 18.0m (59.1ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 48.8m (160.1ft),  Curb-To-Curb Width: 18.0m (59.1ft),  Out-to-Out Width: 18.9m (62.0ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  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: Equal to 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: October 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete

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Structure Number: 20 0199,  Location: 04-SON-101-24.86 (Lat: 38.496136,  Lng: -122.756703),  Route carried "under" structure: US 101,  Year Built: 1962,  Structure Length: 0. m,  Average Daily Traffic: 68,000 (year 2016),  Truck Traffic: 6%,  Features Intersected: U.S. HIGHWAY 101,  Facility Carried by Structure: RIVER ROAD
Minimum Vertical Clearance: 4.57m (14.99ft),  Kilometerpoint: 24.860,  Lanes on structure: 2,  Lanes under structure: 7,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 31.1m (102.0ft)

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Structure Number: 20 0297,  Location: 04-SON-101-26.30 (Lat: 38.511381,  Lng: -122.776081),  Route carried "under" structure: US 101,  Year Built: 2014,  Structure Length: 0. m,  Average Daily Traffic: 62,000 (year 2009),  Truck Traffic: 6%,  Features Intersected: US HIGHWAY 101,  Facility Carried by Structure: AIRPORT BLVD
Minimum Vertical Clearance: 5.33m (17.49ft),  Kilometerpoint: 26.300,  Lanes on structure: 4,  Lanes under structure: 7,  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 50.3m (165.0ft)

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Structure Number: 20C011,  Location: 4.9 MI NE INTX OLD RD HY (Lat: 38.548389,  Lng: -122.720639),  Route carried "under" structure: County highway ,  Year Built: 1975,  Structure Length: 0. m,  Average Daily Traffic: 10,000 (year 2010),  Truck Traffic: 2%,  Features Intersected: MARK WEST SPRINGS ROAD,  Facility Carried by Structure: GRAPE VINES
Minimum Vertical Clearance: 4.72m (15.49ft),  Kilometerpoint: 0.000,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 5.5m (18.0ft)