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Bridge Statistics for Thorne Bay, Alaska (AK)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 29Number of bridges
  • 213ft / 64.9mTotal length
  • $1,730,000Total costs
  • 2,088Total average daily traffic
  • 437Total average daily truck traffic
  • 2,973Total future (year 2000) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Thorne Bay
  • No street view available for this location

New bridges in Thorne Bay, AK - historical statistics
  • New bridges - historical statistics
  • 81970-1979
  • 71980-1989
  • 61990-1999
  • 42000-2009
  • 42010-2019
Reconstructed bridges in Thorne Bay, AK - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 31980-1989
  • 11990-1999
  • 12000-2009
  • 42010-2019
Average Bridge Truck Traffic in Thorne Bay, AK
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 17.2%Very good
  • 72.4%Good
  • 3.4%Satisfactory
  • 6.9%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 10.3%Very good
  • 51.7%Good
  • 24.1%Satisfactory
  • 10.3%Fair
  • 3.4%Poor
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 6.9%Very good
  • 48.3%Good
  • 27.6%Satisfactory
  • 13.8%Fair
  • 3.4%Poor
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 41.4%Very good
  • 34.5%Good
  • 24.1%Satisfactory
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Structure Number: 1455,  Location: MILE POINT 1.4 (Lat: 55.699722,  Lng: -132.849167),  Route carried "on" structure: State highway 929,  Year Built: 1988,  Status: Open,  Structure Length: 3.35m (10.99ft),  Average Daily Traffic: 190 (year 2020),  Truck Traffic: 26%,  Average Future Daily Traffic: 230 (year 2039),  Design Load: HS 20,  Features Intersected: CONTROL CREEK,  Facility Carried by Structure: THORNE BAY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.168,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 31.7m (104.0ft),  Curb-To-Curb Width: 8.9m (29.2ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Inventory Rating: 62.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Equal to present minimum criteria,  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: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 1456,  Location: MILE POINT 5.1 (Lat: 55.693889,  Lng: -132.775833),  Route carried "on" structure: State highway 929,  Year Built: 1975,  Status: Open,  Structure Length: 3.84m (12.60ft),  Average Daily Traffic: 190 (year 2020),  Truck Traffic: 26%,  Average Future Daily Traffic: 230 (year 2039),  Design Load: HS 20,  Features Intersected: RIO ROBERTS,  Facility Carried by Structure: THORNE BAY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.208,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 30.8m (101.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.4m (24.3ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Inventory Rating: 42.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior 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: July 2021,  Critical Feature Inspection Date: May 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 1457,  Location: MILE POINT 5.5 (Lat: 55.690556,  Lng: -132.769722),  Route carried "on" structure: State highway 929,  Year Built: 1975,  Status: Open,  Structure Length: 1.58m (5.18ft),  Average Daily Traffic: 190 (year 2020),  Truck Traffic: 26%,  Average Future Daily Traffic: 230 (year 2039),  Design Load: HS 20,  Features Intersected: NEWLUNBERRY CREEK,  Facility Carried by Structure: THORNE BAY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.810,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.5m (50.9ft),  Curb-To-Curb Width: 8.7m (28.5ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Satisfactory,  Channel: Satisfactory,  Inventory Rating: 62.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to 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: July 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 1458,  Location: MILE POINT 7.3 (Lat: 55.687222,  Lng: -132.729444),  Route carried "on" structure: State highway 929,  Year Built: 1975,  Status: Open,  Structure Length: 4.60m (15.09ft),  Average Daily Traffic: 190 (year 2020),  Truck Traffic: 26%,  Average Future Daily Traffic: 230 (year 2039),  Design Load: HS 20,  Features Intersected: RIO BEAVER,  Facility Carried by Structure: THORNE BAY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 11.774,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.8m (28.9ft),  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 38.4m (126.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.4m (24.3ft)

Condition: Deck: Very good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Inventory Rating: 45.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  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: July 2021,  Critical Feature Inspection Date: May 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 1461,  Location: MILE POINT 11.4 (Lat: 55.686667,  Lng: -132.635556),  Route carried "on" structure: State highway 929,  Year Built: 1985,  Year Reconstructed: 1987,  Status: Open,  Structure Length: 4.15m (13.62ft),  Average Daily Traffic: 190 (year 2020),  Truck Traffic: 26%,  Average Future Daily Traffic: 230 (year 2039),  Design Load: HS 20,  Features Intersected: GOOSE CREEK,  Facility Carried by Structure: THORNE BAY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.321,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 27.1m (88.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Very good,  Superstructure: Fair,  Substructure: Fair,  Channel: Very good,  Operating Rating: 57.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 38.1 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 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,  Membrane: Preformed Fabric
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Structure Number: 1462,  Location: MILE POINT 13.0 (Lat: 55.705700,  Lng: -132.627100),  Route carried "on" structure: State highway 929,  Year Built: 1975,  Status: Open,  Structure Length: 5.00m (16.40ft),  Average Daily Traffic: 190 (year 2020),  Truck Traffic: 26%,  Average Future Daily Traffic: 230 (year 2039),  Design Load: HS 20,  Features Intersected: THORNE RIVER,  Facility Carried by Structure: THORNE BAY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 20.904,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 42.4m (139.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Inventory Rating: 45.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Critical Feature Inspection Date: May 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 1463,  Location: MILE POINT 13.6 (Lat: 55.709167,  Lng: -132.614444),  Route carried "on" structure: State highway 929,  Year Built: 1975,  Status: Open,  Structure Length: 1.74m (5.71ft),  Average Daily Traffic: 190 (year 2020),  Truck Traffic: 26%,  Average Future Daily Traffic: 230 (year 2039),  Design Load: HS 15,  Features Intersected: FALLS CREEK,  Facility Carried by Structure: THORNE BAY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 21.876,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.8m (55.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.7m (25.3ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 99.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 57.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal 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,  Membrane: Preformed Fabric
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Structure Number: 1464,  Location: MILE POINT 14.1 (Lat: 55.709444,  Lng: -132.602778),  Route carried "on" structure: State highway 929,  Year Built: 1989,  Status: Open,  Structure Length: 2.96m (9.71ft),  Average Daily Traffic: 190 (year 2020),  Truck Traffic: 26%,  Average Future Daily Traffic: 230 (year 2039),  Design Load: HS 20,  Features Intersected: GRAVELLY CREEK,  Facility Carried by Structure: THORNE BAY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 22.642,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 28.7m (94.2ft),  Curb-To-Curb Width: 8.8m (28.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Poor,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Inventory Rating: 57.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to 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: July 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 2078,  Location: THORNE BAY (Lat: 55.685083,  Lng: -132.519028),  Route carried "on" structure: City street ,  Year Built: 2000,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 208 (year 2018),  Truck Traffic: 10%,  Average Future Daily Traffic: 220 (year 2035),  Features Intersected: DEER CREEK,  Facility Carried by Structure: SHORELINE DRIVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.327,  Lanes on structure: 1,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.6m (38.1ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Very good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 35.7 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: Equal 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: 3001,  Location: MILE POINT 6.4 (Lat: 55.920278,  Lng: -132.968611),  Route carried "on" structure: State highway ,  Year Built: 2003,  Status: Open,  Structure Length: 2.44m (8.01ft),  Average Daily Traffic: 120 (year 2020),  Truck Traffic: 21%,  Average Future Daily Traffic: 290 (year 2039),  Design Load: HS 25 or greater,  Features Intersected: DIESEL CREEK,  Facility Carried by Structure: COFFMAN COVE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.300,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 23.8m (78.1ft),  Curb-To-Curb Width: 10.7m (35.1ft),  Out-to-Out Width: 11.3m (37.1ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 87.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.4 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 minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 100310000001456,  Location: THORNE BAY (Lat: 55.740850,  Lng: -132.690800),  Route carried "on" structure: Federal lands road 30152,  Year Built: 1993,  Year Reconstructed: 2017,  Status: Open,  Structure Length: 2.13m (6.99ft),  Average Daily Traffic: 5 (year 2018),  Average Future Daily Traffic: 50 (year 2000),  Features Intersected: NO DATA ENTERED
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.912,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 20.9m (68.6ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 38.9 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: 30.1 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: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2021,  Bridge Improvement Cost: $5,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 100520000001131,  Location: THORNE BAY (Lat: 55.729400,  Lng: -132.688400),  Route carried "on" structure: Federal lands road 30152,  Year Built: 1990,  Year Reconstructed: 2017,  Status: Open,  Structure Length: 2.13m (6.99ft),  Average Daily Traffic: 5 (year 2018),  Average Future Daily Traffic: 5 (year 2013),  Features Intersected: STREAM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.840,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 20.9m (68.6ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 23.0 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: 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: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.13m (6.99ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: July 2019,  Critical Feature Inspection Date: September 2021,  Bridge Improvement Cost: $140,000,  Roadway Improvement Cost: $20,000,  Total Project Cost: $160,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 100540000001021,  Location: THORNE BAY (Lat: 55.650253,  Lng: -132.577969),  Route carried "on" structure: Federal lands road 20307,  Year Built: 1979,  Year Reconstructed: 1992,  Status: Open,  Structure Length: 1.52m (4.99ft),  Average Daily Traffic: 10 (year 2006),  Average Future Daily Traffic: 5 (year 2013),  Features Intersected: MOD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.048,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 14.8m (48.6ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Very good,  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: 19.8 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: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 1.82m (5.97ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2021,  Bridge Improvement Cost: $120,000,  Roadway Improvement Cost: $20,000,  Total Project Cost: $140,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 100540000001073,  Location: THORNE BAY (Lat: 55.754958,  Lng: -132.491789),  Route carried "on" structure: Federal lands road 30000,  Year Built: 1985,  Status: Open,  Structure Length: 2.19m (7.19ft),  Average Daily Traffic: 50 (year 2006),  Average Future Daily Traffic: 200 (year 2013),  Features Intersected: PERM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 37.168,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  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: 4.9m (16.1ft),  Out-to-Out Width: 5.3m (17.4ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 57.3 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: 44.7 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: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.49m (8.17ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2021,  Bridge Improvement Cost: $164,000,  Roadway Improvement Cost: $20,000,  Total Project Cost: $184,000,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 100540000001074,  Location: THORNE BAY (Lat: 55.763350,  Lng: -132.491300),  Route carried "on" structure: Federal lands road 30000,  Year Built: 1985,  Status: Open,  Structure Length: 1.58m (5.18ft),  Average Daily Traffic: 50 (year 2006),  Average Future Daily Traffic: 200 (year 2013),  Features Intersected: PERM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 38.320,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.2m (49.9ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.3m (17.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 73.2 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: 56.4 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: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 1.88m (6.17ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2021,  Bridge Improvement Cost: $124,000,  Roadway Improvement Cost: $20,000,  Total Project Cost: $144,000,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 100540000001095,  Location: CONTROL LAKE (Lat: 55.670556,  Lng: -132.693767),  Route carried "on" structure: Federal lands road 30130,  Year Built: 1977,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 5 (year 2018),  Average Future Daily Traffic: 5 (year 2013),  Features Intersected: MOD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.696,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.8m (38.7ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Poor,  Channel: Very good,  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: 19.8 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: Meets minimum limits,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.52m (4.99ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $100,000,  Roadway Improvement Cost: $20,000,  Total Project Cost: $120,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 100540000001096,  Location: CONTROL LAKE (Lat: 55.667244,  Lng: -132.678286),  Route carried "on" structure: Federal lands road 30131,  Year Built: 1978,  Status: Open,  Structure Length: 2.13m (6.99ft),  Average Daily Traffic: 5 (year 2018),  Average Future Daily Traffic: 5 (year 2013),  Features Intersected: MOD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.008,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 21.1m (69.2ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 4.8m (15.7ft),  Out-to-Out Width: 6.0m (19.7ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very 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: 32.7 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: Equal to present desirable criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.43m (7.97ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $160,000,  Roadway Improvement Cost: $20,000,  Total Project Cost: $180,000,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 100540000001098,  Location: THORNE BAY (Lat: 55.788133,  Lng: -132.669314),  Route carried "on" structure: Federal lands road 30150,  Year Built: 1981,  Year Reconstructed: 2004,  Status: Open,  Structure Length: 2.13m (6.99ft),  Average Daily Traffic: 5 (year 2018),  Average Future Daily Traffic: 5 (year 2013),  Features Intersected: MOD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.304,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 20.9m (68.6ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  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: 19.8 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: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.43m (7.97ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Bridge Improvement Cost: $160,000,  Roadway Improvement Cost: $20,000,  Total Project Cost: $180,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 100540000001104,  Location: THORNE BAY (Lat: 55.768442,  Lng: -132.691619),  Route carried "on" structure: Federal lands road 30160,  Year Built: 1990,  Status: Open,  Structure Length: 2.74m (8.99ft),  Average Daily Traffic: 5 (year 2018),  Average Future Daily Traffic: 5 (year 2013),  Features Intersected: PERM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.008,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 27.0m (88.6ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 20.7 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: 16.2 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: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 3.07m (10.07ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: July 2019,  Critical Feature Inspection Date: September 2021,  Bridge Improvement Cost: $202,000,  Roadway Improvement Cost: $20,000,  Total Project Cost: $222,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 100540000001105,  Location: THORNE BAY (Lat: 55.736008,  Lng: -132.561103),  Route carried "on" structure: Federal lands road 30170,  Year Built: 1991,  Year Reconstructed: 1992,  Status: Open,  Structure Length: 2.44m (8.01ft),  Average Future Daily Traffic: 5 (year 2013),  Features Intersected: MOD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.438,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 23.8m (78.1ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 26.2 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: 20.4 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: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.74m (8.99ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2021,  Bridge Improvement Cost: $180,000,  Roadway Improvement Cost: $20,000,  Total Project Cost: $200,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 100540000001108,  Location: THORNE BAY (Lat: 55.751258,  Lng: -132.551147),  Route carried "on" structure: Federal lands road 30182,  Year Built: 1991,  Status: Open,  Structure Length: 2.44m (8.01ft),  Average Daily Traffic: 10 (year 2006),  Average Future Daily Traffic: 5 (year 2013),  Features Intersected: MOD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.312,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 24.0m (78.7ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 26.2 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: 20.1 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: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.74m (8.99ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Critical Feature Inspection Date: September 2020,  Bridge Improvement Cost: $180,000,  Roadway Improvement Cost: $20,000,  Total Project Cost: $200,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 100540000001178,  Location: THORNE BAY (Lat: 55.718700,  Lng: -132.658400),  Route carried "on" structure: Federal lands road 30152,  Year Built: 1980,  Year Reconstructed: 2017,  Status: Open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 5 (year 2018),  Average Future Daily Traffic: 7 (year 2042),  Features Intersected: STREAM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.840,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 17.8m (58.4ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 29.2 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: 22.4 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: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: July 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 100540000001242,  Location: THORNE BAY (Lat: 55.716042,  Lng: -132.623075),  Route carried "on" structure: Federal lands road 30151,  Year Built: 1995,  Status: Open,  Structure Length: 0.98m (3.22ft),  Features Intersected: LOG
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.960,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 4.3m (14.1ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.2m (26.9ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 4.3m (14.1ft),  Out-to-Out Width: 4.3m (14.1ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 77.8 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: 59.9 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: Meets minimum limits,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 100552000014262,  Location: THORNE BAY (Lat: 55.708400,  Lng: -132.541950),  Route carried "on" structure: Federal lands road 30180,  Year Built: 2010,  Year Reconstructed: 2016,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 10 (year 2018),  Average Future Daily Traffic: 15 (year 2042),  Features Intersected: NO DATA ENTERED
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.032,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 71.6 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: 55.1 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: Better than present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 10055400000316,  Location: THORNE BAY (Lat: 55.790094,  Lng: -132.653733),  Route carried "on" structure: Federal lands road 30156,  Year Built: 2003,  Status: Open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 5 (year 2018),  Average Future Daily Traffic: 7 (year 2042),  Features Intersected: NO DATA ENTERED
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.840,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 17.8m (58.4ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Very 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: 32.7 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: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber,  Deck Protection: Cathodic Protection
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Structure Number: 100554000011329,  Location: THORNE BAY (Lat: 55.774200,  Lng: -132.483800),  Route carried "on" structure: Federal lands road 30000,  Year Built: 2008,  Status: Open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 50 (year 2018),  Average Future Daily Traffic: 75 (year 2042),  Features Intersected: NO DATA ENTERED
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 39.712,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.5m (37.7ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 90.4 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: 69.7 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: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 100554000013476,  Location: THORNE BAY (Lat: 55.785272,  Lng: -132.671675),  Route carried "on" structure: Federal lands road 30150,  Year Built: 2010,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 5 (year 2018),  Average Future Daily Traffic: 7 (year 2042),  Features Intersected: MOD,  Facility Carried by Structure: NORTH THORNE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.134,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.4m (37.4ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 90.4 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: 69.7 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: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 100554000015609,  Location: THORNE BAY (Lat: 55.708542,  Lng: -132.541831),  Route carried "on" structure: Federal lands road 30180,  Year Built: 2013,  Year Reconstructed: 2014,  Status: Open,  Structure Length: 1.25m (4.10ft),  Average Daily Traffic: 10 (year 2006),  Average Future Daily Traffic: 15 (year 2042),  Features Intersected: NO DATA ENTERED
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.024,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 2 degrees,  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.6m (38.1ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 91.4 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: 70.3 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: Better than present minimum criteria,  Deck Geometry: 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: September 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 100554000022094,  Location: THORNE BAY (Lat: 55.729400,  Lng: -132.686300),  Route carried "on" structure: Federal lands road 30152,  Year Built: 2017,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 5 (year 2018),  Average Future Daily Traffic: 7 (year 2042),  Features Intersected: NO DATA ENTERED
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.744,  Lanes on structure: 1,  Owner: U.S. Forest Service,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 71.6 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: 55.1 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: Better than present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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