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


  • National Bridge Inventory (NBI) Statistics
  • 12Number of bridges
  • 125ft / 38.1mTotal length
  • $795,000Total costs
  • 12,811Total average daily traffic
  • 1,358Total average daily truck traffic
  • 17,595Total future (year 2036) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Covelo
  • No street view available for this location

New bridges in Covelo, CA - historical statistics
  • New bridges - historical statistics
  • 11920-1929
  • 21950-1959
  • 21960-1969
  • 31970-1979
  • 31980-1989
  • 11990-1999
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 63.6%Good
  • 27.3%Fair
  • 9.1%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 54.5%Good
  • 36.4%Fair
  • 9.1%Poor
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 90.9%Good
  • 9.1%Satisfactory
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 33.3%Very good
  • 58.3%Good
  • 8.3%Satisfactory
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Structure Number: 10 0094,  Location: 01-MEN-162-28.74 (Lat: 39.787936,  Lng: -123.248136),  Route carried "on" structure: State highway 162,  Year Built: 1983,  Status: Open,  Structure Length: 3.17m (10.40ft),  Average Daily Traffic: 2,200 (year 2009),  Truck Traffic: 12%,  Average Future Daily Traffic: 2,958 (year 2039),  Design Load: HS 20+Mod,  Features Intersected: TOWN CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 28.740,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 10.4m (34.1ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.3m (43.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: 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: 32.4 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,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 10 0096,  Location: 01-MEN-162-30.33 (Lat: 39.811058,  Lng: -123.248053),  Route carried "on" structure: State highway 162,  Year Built: 1958,  Status: Open,  Structure Length: 5.12m (16.80ft),  Average Daily Traffic: 2,200 (year 2009),  Truck Traffic: 12%,  Average Future Daily Traffic: 2,958 (year 2039),  Design Load: HS 20,  Features Intersected: MILL CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 30.330,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.2m (26.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 7,  Length of Maximum Span: 7.9m (25.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.7m (28.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 56.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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: May 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 10 0106,  Location: 01-MEN-162-32.14 (Lat: 39.816697,  Lng: -123.221444),  Route carried "on" structure: State highway 162,  Year Built: 1958,  Status: Open,  Structure Length: 1.53m (5.02ft),  Average Daily Traffic: 2,200 (year 2009),  Truck Traffic: 12%,  Average Future Daily Traffic: 3,018 (year 2039),  Design Load: HS 20,  Features Intersected: LITTLE SLOUGH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 32.140,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 14.9m (48.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 53.5 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: 29.5 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: 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: May 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 10 0119,  Location: 01-MEN-162-34.03 (Lat: 39.825078,  Lng: -123.191286),  Route carried "on" structure: State highway 162,  Year Built: 1962,  Status: Open,  Structure Length: 3.09m (10.14ft),  Average Daily Traffic: 2,200 (year 2009),  Truck Traffic: 12%,  Average Future Daily Traffic: 3,018 (year 2039),  Design Load: HS 20,  Features Intersected: SHORT CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 34.030,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.6m (28.2ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 8.8m (28.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Good,  Operating Rating: 51.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.8 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: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 10 0253,  Location: 01-MEN-162-28.30 (Lat: 39.781642,  Lng: -123.248172),  Route carried "on" structure: State highway 162,  Year Built: 1983,  Status: Open,  Structure Length: 2.29m (7.51ft),  Average Daily Traffic: 2,200 (year 2009),  Truck Traffic: 12%,  Average Future Daily Traffic: 2,958 (year 2039),  Design Load: HS 20+Mod,  Features Intersected: GRIST CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 28.300,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 10.7m (35.1ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 35.3 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: 24.9 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 desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 10C0111,  Location: 2.0 MI E FAIRBANKS RD (Lat: 39.749069,  Lng: -123.181567),  Route carried "on" structure: County highway ,  Year Built: 1925,  Status: Posted for load,  Structure Length: 3.75m (12.30ft),  Average Daily Traffic: 78 (year 2014),  Truck Traffic: 2%,  Average Future Daily Traffic: 272 (year 2041),  Features Intersected: MILL CREEK,  Facility Carried by Structure: HILL ROAD
Minimum Vertical Clearance: 4.62m (15.16ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 4.3m (14.1ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 36.6m (120.1ft),  Curb-To-Curb Width: 5.3m (17.4ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 11.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 6.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: High priority of corrective action,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 3.75m (12.30ft),  Designated Inspection Frequency: Every 12 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Critical Feature Inspection Date: August 2021,  Bridge Improvement Cost: $473,000,  Roadway Improvement Cost: $94,000,  Total Project Cost: $795,000 ( Estimate for 2017),  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 10C0128,  Location: 1.0 MI E OF SR 162 (Lat: 39.794475,  Lng: -123.213692),  Route carried "on" structure: County highway ,  Year Built: 1989,  Status: Open,  Structure Length: 5.58m (18.31ft),  Average Daily Traffic: 889 (year 2011),  Truck Traffic: 1%,  Average Future Daily Traffic: 1,080 (year 2038),  Design Load: HS 20,  Features Intersected: MILL CREEK,  Facility Carried by Structure: IRR EAST LANE
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: 2 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 9.8m (32.2ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.0m (32.8ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  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: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 10C0175,  Location: 0.10 MI S CR 327-A (Lat: 39.756361,  Lng: -123.210747),  Route carried "on" structure: County highway ,  Year Built: 1979,  Status: Open,  Structure Length: 0.86m (2.82ft),  Average Daily Traffic: 210 (year 2011),  Truck Traffic: 5%,  Average Future Daily Traffic: 321 (year 2036),  Features Intersected: TURNER CREEK,  Facility Carried by Structure: DOBIE RD
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),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.0m (13.1ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Channel: 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: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: August 2018,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 10C0176,  Location: 0.20 MI S CR 327-A (Lat: 39.754347,  Lng: -123.210761),  Route carried "on" structure: County highway ,  Year Built: 1979,  Status: Open,  Structure Length: 2.51m (8.23ft),  Average Daily Traffic: 210 (year 2011),  Truck Traffic: 5%,  Average Future Daily Traffic: 305 (year 2037),  Design Load: HS 20,  Features Intersected: TURNER CREEK,  Facility Carried by Structure: DOBIE 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: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.8m (32.2ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.0m (32.8ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Very good,  Operating Rating: 87.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 52.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 10C0177,  Location: 2.17 MI E SH 162 (Lat: 39.794453,  Lng: -123.208103),  Route carried "on" structure: County highway ,  Year Built: 1973,  Status: Open,  Structure Length: 3.93m (12.89ft),  Average Daily Traffic: 210 (year 2011),  Truck Traffic: 4%,  Average Future Daily Traffic: 273 (year 2042),  Features Intersected: SHORT CREEK,  Facility Carried by Structure: IRR EAST LANE
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: Slab,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 8.5m (27.9ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.0m (32.8ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 71.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 43.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 10C0178,  Location: 0.5 MI WEST OF SR 162 (Lat: 39.780478,  Lng: -123.257950),  Route carried "on" structure: County highway ,  Year Built: 1960,  Year Reconstructed: 2008,  Status: Open,  Structure Length: 1.52m (4.99ft),  Average Daily Traffic: 72 (year 2011),  Average Future Daily Traffic: 86 (year 2037),  Features Intersected: GRIST CREEK,  Facility Carried by Structure: CEMETERY LANE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 3.7m (12.1ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.5m (44.3ft),  Curb-To-Curb Width: 3.6m (11.8ft),  Out-to-Out Width: 3.7m (12.1ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Good,  Channel: Good,  Operating Rating: 38.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 23.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Critical Feature Inspection Date: September 2020,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 10C0179,  Location: 0.3 MI S HOWARD ST (Lat: 39.790414,  Lng: -123.258875),  Route carried "on" structure: County highway ,  Year Built: 1994,  Status: Open,  Structure Length: 4.72m (15.49ft),  Average Daily Traffic: 142 (year 2011),  Truck Traffic: 1%,  Average Future Daily Traffic: 348 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: TOWN CREEK,  Facility Carried by Structure: AIRPORT RD
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: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 12.0m (39.4ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 13.4m (44.0ft)

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