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


  • National Bridge Inventory (NBI) Statistics
  • 20Number of bridges
  • 512ft / 156mTotal length
  • 161,087Total average daily traffic
  • 49,626Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Lakehead
  • No street view available for this location

New bridges in Lakehead, CA - historical statistics
  • New bridges - historical statistics
  • 11910-1919
  • 31920-1929
  • 11930-1939
  • 11940-1949
  • 11950-1959
  • 61960-1969
  • 61990-1999
  • 12010-2019
Reconstructed bridges in Lakehead, CA - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11970-1979
  • 11980-1989
  • 01990-1999
  • 22000-2009
Average Bridge Daily Traffic in Lakehead, CA
Average Bridge Truck Traffic in Lakehead, CA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 6.7%Very good
  • 73.3%Good
  • 13.3%Satisfactory
  • 6.7%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 93.8%Good
  • 6.3%Satisfactory
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 68.8%Good
  • 31.3%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 11.1%Excellent
  • 33.3%Very good
  • 11.1%Good
  • 22.2%Satisfactory
  • 22.2%Fair
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Structure Number: 6 0027,  Location: 02-SHA-005-45.54 (Lat: 40.938497,  Lng: -122.422850),  Route carried "on" structure: Interstate 5,  Year Built: 1956,  Year Reconstructed: 1989,  Status: Open,  Structure Length: 19.59m (64.27ft),  Average Daily Traffic: 17,100 (year 2009),  Truck Traffic: 32%,  Average Future Daily Traffic: 30,700 (year 2040),  Design Load: HS 20,  Features Intersected: DOG CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 45.540,  Lanes on structure: 4,  Base Highway Network: Yes (,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 33.4m (109.6ft),  Skew: 39 degrees,  Material/Design: Concrete,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 6,  Length of Maximum Span: 95.7m (314.0ft),  Curb-To-Curb Width: 33.4m (109.6ft),  Out-to-Out Width: 35.1m (115.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Excellent,  Operating Rating: 49.6 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: Superior to present desirable criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 6 0028,  Location: 02-SHA-005-R48.83 (Lat: 40.974344,  Lng: -122.432144),  Route carried "on" structure: Interstate 5,  Year Built: 1991,  Status: Open,  Structure Length: 12.80m (41.99ft),  Average Daily Traffic: 17,100 (year 2009),  Truck Traffic: 32%,  Average Future Daily Traffic: 30,700 (year 2040),  Design Load: HS 20+Mod,  Features Intersected: SLATE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 48.830,  Lanes on structure: 4,  Base Highway Network: Yes (,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 34.1m (111.9ft),  Skew: 30 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 51.8m (169.9ft),  Curb-To-Curb Width: 34.1m (111.9ft),  Out-to-Out Width: 35.8m (117.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Very good,  Operating Rating: 54.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Somewhat better than minimum adequacy,  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: March 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 6 0158,  Location: 02-SHA-005-R39.05 (Lat: 40.869144,  Lng: -122.366908),  Route carried "on" structure: County highway ,  Year Built: 1966,  Status: Open,  Structure Length: 5.93m (19.46ft),  Average Daily Traffic: 2,900 (year 1998),  Truck Traffic: 30%,  Average Future Daily Traffic: 3,551 (year 2042),  Design Load: HS 20,  Features Intersected: INTERSTATE 5,  Facility Carried by Structure: GREGORY CREEK ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 5,  Owner: State Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  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: 32.3m (106.0ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 45.4 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: 35.0 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: Meets minimum limits,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete
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Structure Number: 6 0159L,  Location: 02-SHA-005-R37.08 (Lat: 40.850272,  Lng: -122.341803),  Route carried "on" structure: Interstate 5,  Year Built: 1966,  Year Reconstructed: 2012,  Status: Open,  Structure Length: 3.75m (12.30ft),  Average Daily Traffic: 8,800 (year 2009),  Truck Traffic: 30%,  Average Future Daily Traffic: 17,129 (year 2042),  Design Load: HS 20,  Features Intersected: UPPER SALT CREEK ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 37.080,  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: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.4m (44.0ft),  Curb-To-Curb Width: 11.9m (39.0ft),  Out-to-Out Width: 12.8m (42.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 42.4 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: 30.8 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: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 6 0159R,  Location: 02-SHA-005-R37.08 (Lat: 40.850325,  Lng: -122.341631),  Route carried "on" structure: Interstate 5,  Year Built: 1966,  Year Reconstructed: 2012,  Status: Open,  Structure Length: 3.76m (12.34ft),  Average Daily Traffic: 8,800 (year 2009),  Truck Traffic: 30%,  Average Future Daily Traffic: 17,129 (year 2042),  Design Load: HS 20,  Features Intersected: UPPER SALT CREEK ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 37.080,  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: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.4m (44.0ft),  Curb-To-Curb Width: 11.9m (39.0ft),  Out-to-Out Width: 12.8m (42.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 45.4 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: 33.0 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,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 6 016,  Location: 02-SHA-005-R36.83 (Lat: 40.847606,  Lng: -122.338739),  Route carried "on" structure: County highway ,  Year Built: 1966,  Status: Open,  Structure Length: 6.26m (20.54ft),  Average Daily Traffic: 550 (year 1998),  Truck Traffic: 35%,  Average Future Daily Traffic: 700 (year 2042),  Design Load: HS 20,  Features Intersected: INTERSTATE 5,  Facility Carried by Structure: GILMAN ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 8.8m (28.9ft),  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 31.7m (104.0ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Operating Rating: 44.7 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: 34.7 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: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Cathodic Protection
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Structure Number: 6 018,  Location: 02-SHA-005-R49.15 (Lat: 40.978631,  Lng: -122.432628),  Route carried "on" structure: County highway ,  Year Built: 1991,  Status: Open,  Structure Length: 7.56m (24.80ft),  Average Daily Traffic: 20 (year 1998),  Truck Traffic: 1%,  Average Future Daily Traffic: 24 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: INTERSTATE 5,  Facility Carried by Structure: SLATE CREEK ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 5,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  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: 42.0m (137.8ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.3m (43.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 54.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  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 minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 6 0181,  Location: 02-SHA-005-R45.95 (Lat: 40.941156,  Lng: -122.429931),  Route carried "on" structure: Interstate 5,  Year Built: 1991,  Status: Open,  Structure Length: 3.66m (12.01ft),  Average Daily Traffic: 17,100 (year 2009),  Truck Traffic: 32%,  Average Future Daily Traffic: 30,700 (year 2040),  Design Load: HS 20+Mod,  Features Intersected: VOLLMERS ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 45.950,  Lanes on structure: 5,  Lanes under structure: 2,  Base Highway Network: Yes (,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 37.4m (122.7ft),  Skew: 32 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 35.8m (117.5ft),  Curb-To-Curb Width: 37.4m (122.7ft),  Out-to-Out Width: 39.1m (128.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 54.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  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: March 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 6 0183,  Location: 02-SHA-005-R47.35 (Lat: 40.957436,  Lng: -122.435856),  Route carried "on" structure: County highway ,  Year Built: 1991,  Status: Open,  Structure Length: 7.41m (24.31ft),  Average Daily Traffic: 50 (year 2005),  Truck Traffic: 2%,  Average Future Daily Traffic: 88 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: INTERSTATE 5,  Facility Carried by Structure: MCCARDLE FLAT ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 10.1m (33.1ft),  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: 41.7m (136.8ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 54.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 6 021,  Location: 02-SHA-005-R39.98 (Lat: 40.879250,  Lng: -122.378236),  Route carried "on" structure: Interstate 5,  Year Built: 2016,  Status: Open,  Structure Length: 59.20m (194.23ft),  Average Daily Traffic: 17,600 (year 2009),  Truck Traffic: 30%,  Average Future Daily Traffic: 32,700 (year 2037),  Design Load: HL 93,  Features Intersected: SACRAMENTO RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 39.980,  Lanes on structure: 5,  Base Highway Network: Yes (,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 30.0m (98.4ft),  Skew: 30 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Segmental Box Girder,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 180.0m (590.6ft),  Curb-To-Curb Width: 30.0m (98.4ft),  Out-to-Out Width: 31.8m (104.3ft)

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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: May 2020,  Underwater Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 6C0054,  Location: 1.8 MI SW ANTLR UC ON I-5 (Lat: 40.869097,  Lng: -122.392050),  Route carried "on" structure: County highway ,  Year Built: 1926,  Year Reconstructed: 1981,  Status: Open,  Structure Length: 12.19m (39.99ft),  Average Daily Traffic: 1,383 (year 2013),  Truck Traffic: 5%,  Average Future Daily Traffic: 3,000 (year 2038),  Design Load: H 15,  Features Intersected: CHARLIE CREEK,  Facility Carried by Structure: LAKE SHORE DRIVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Concrete,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 8,  Length of Maximum Span: 46.9m (153.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.7m (25.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 26.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 18.1 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 6C0062,  Location: 0.1 MI E SLATE CREEK RD (Lat: 40.974828,  Lng: -122.433306),  Route carried "on" structure: County highway ,  Year Built: 1927,  Status: Open,  Structure Length: 5.58m (18.31ft),  Average Daily Traffic: 52 (year 2013),  Truck Traffic: 5%,  Average Future Daily Traffic: 157 (year 2038),  Features Intersected: SLATE CREEK,  Facility Carried by Structure: MOINE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Skew: 4 degrees,  Material/Design: Concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 17.1m (56.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.2m (26.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 25.6 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: 17.8 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: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  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: 6C0229,  Location: 0.4 MI W OF I-5 (Lat: 40.973594,  Lng: -122.440119),  Route carried "on" structure: County highway ,  Year Built: 1920,  Status: Open,  Structure Length: 1.86m (6.10ft),  Average Daily Traffic: 82 (year 2001),  Truck Traffic: 15%,  Average Future Daily Traffic: 320 (year 2038),  Features Intersected: SLATE CREEK,  Facility Carried by Structure: SLATE CREEK 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: Concrete,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.0m (59.1ft),  Curb-To-Curb Width: 6.9m (22.6ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Superstructure: Good,  Substructure: Good,  Channel: Fair,  Operating Rating: 24.6 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 14.9 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021
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Structure Number: 51458000001058,  Location: NO DATA ENTERED (Lat: 40.949247,  Lng: -122.342569),  Route carried "on" structure: Federal lands road 34N17,  Year Built: 1936,  Status: Posted for load,  Structure Length: 0.96m (3.15ft),  Average Daily Traffic: 50 (year 0000),  Average Future Daily Traffic: 75 (year 2042),  Design Load: H 20,  Features Intersected: EYE CREEK,  Facility Carried by Structure: FENDER FERRY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 55.936,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 4.3m (14.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.9m (29.2ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 4.0m (13.1ft),  Out-to-Out Width: 4.1m (13.5ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 51458000001059,  Location: NO DATA ENTERED (Lat: 40.938064,  Lng: -122.421217),  Route carried "on" structure: Federal lands road 34N17,  Year Built: 1944,  Status: Open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 50 (year 0000),  Average Future Daily Traffic: 75 (year 2042),  Design Load: H 20,  Features Intersected: DOG CREEK,  Facility Carried by Structure: FENDER FERRY RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 93.300,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 3.7m (12.1ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 0.0m,  Curb-To-Curb Width: 3.7m (12.1ft),  Out-to-Out Width: 3.7m (12.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 33.7 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: 25.9 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,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 51458000001108,  Location: NO DATA ENTERED (Lat: 40.939444,  Lng: -122.424167),  Route carried "on" structure: Federal lands road 34N17,  Year Built: 1917,  Status: Posted for load,  Structure Length: 3.67m (12.04ft),  Average Daily Traffic: 50 (year 0000),  Average Future Daily Traffic: 75 (year 2042),  Features Intersected: DOG CREEK,  Facility Carried by Structure: FENDER FERRY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 93.520,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 6.4m (21.0ft),  Out-to-Out Width: 7.1m (23.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Fair,  Operating Rating: 14.6 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: 11.3 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: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 30.0 - 39.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 6 0158,  Location: 02-SHA-005-R39.05 (Lat: 40.869144,  Lng: -122.366908),  Route carried "under" structure: Interstate 5,  Year Built: 1966,  Structure Length: 0. m,  Average Daily Traffic: 17,600 (year 2009),  Truck Traffic: 30%,  Features Intersected: INTERSTATE 5,  Facility Carried by Structure: GREGORY CREEK ROAD
Minimum Vertical Clearance: 5.33m (17.49ft),  Kilometerpoint: 39.050,  Lanes on structure: 2,  Lanes under structure: 5,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 32.3m (106.0ft)

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Structure Number: 6 016,  Location: 02-SHA-005-R36.83 (Lat: 40.847606,  Lng: -122.338739),  Route carried "under" structure: Interstate 5,  Year Built: 1966,  Structure Length: 0. m,  Average Daily Traffic: 17,600 (year 2009),  Truck Traffic: 30%,  Features Intersected: INTERSTATE 5,  Facility Carried by Structure: GILMAN ROAD
Minimum Vertical Clearance: 4.95m (16.24ft),  Kilometerpoint: 36.830,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 31.7m (104.0ft)

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Structure Number: 6 018,  Location: 02-SHA-005-R49.15 (Lat: 40.978631,  Lng: -122.432628),  Route carried "under" structure: Interstate 5,  Year Built: 1991,  Structure Length: 0. m,  Average Daily Traffic: 17,100 (year 2009),  Truck Traffic: 32%,  Features Intersected: INTERSTATE 5,  Facility Carried by Structure: SLATE CREEK ROAD
Minimum Vertical Clearance: 5.08m (16.67ft),  Kilometerpoint: 49.150,  Lanes on structure: 2,  Lanes under structure: 5,  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 42.0m (137.8ft)

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Structure Number: 6 0183,  Location: 02-SHA-005-R47.35 (Lat: 40.957436,  Lng: -122.435856),  Route carried "under" structure: Interstate 5,  Year Built: 1991,  Structure Length: 0. m,  Average Daily Traffic: 17,100 (year 2009),  Truck Traffic: 32%,  Features Intersected: INTERSTATE 5,  Facility Carried by Structure: MCCARDLE FLAT ROAD
Minimum Vertical Clearance: 5.31m (17.42ft),  Kilometerpoint: 47.350,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete continuous,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 41.7m (136.8ft)

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