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


  • National Bridge Inventory (NBI) Statistics
  • 11Number of bridges
  • 46m151ftTotal length
  • $1,865,000Total costs
  • 26,502Total average daily traffic
  • 626Total average daily truck traffic
  • 28,060Total future (year 2032) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Tok
  • No street view available for this location

New bridges - Historical Statistics

  • 21950-1959
  • 41960-1969
  • 21980-1989
  • 32000-2009

Average Daily Traffic

Average Truck Traffic (%)

Bridge Condition - Deck

Bridge Condition - Superstructure

Bridge Condition - Substructure

Bridge Condition - Channel

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Structure Number: 19,  Location: KETCHIKAN (Lat: 55.354047,  Lng: -131.691897),  Route carried "on" structure: State highway ,  Year Built: 2003,  Status: Open,  Structure Length: 4.36m (14.30ft),  Average Daily Traffic: 50 (year 2013),  Average Future Daily Traffic: 60 (year 2032),  Design Load: HS 20+Mod,  Features Intersected: KETCHIKAN TRANSFER FAC,  Facility Carried by Structure: INTER ISLAND RT
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.161,  Lanes on structure: 1,  Toll: On toll road,  Owner: State Highway Agency,  Approaching Roadway Width: 3.7m (12.1ft),  Material/Design: Steel,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 42.7m (140.1ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 4.1m (13.5ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Excellent,  Operating Rating: 59.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.7 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: July 13,  Critical Feature Inspection Date: September 14,  Underwater Inspection Date: August 11,  Deck Structure Type: Open Grating
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Structure Number: 348,  Location: MILE POINT 7.5 (Lat: 60.520294,  Lng: -145.595322),  Route carried "on" structure: State highway 851,  Year Built: 1966,  Status: Open,  Structure Length: 4.94m (16.21ft),  Average Daily Traffic: 1,065 (year 2013),  Truck Traffic: 10%,  Average Future Daily Traffic: 1,400 (year 2032),  Design Load: HS 20+Mod,  Features Intersected: SCOTT GLACIER NO 1,  Facility Carried by Structure: COPPER RIVER HWY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.131,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.2m (26.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 63.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.0 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 minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 14,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 659,  Location: OLD TOK ALIGNMENT MP 0.6 (Lat: 62.963997,  Lng: -143.335692),  Route carried "on" structure: State highway NSP00,  Year Built: 1954,  Status: Posted for load,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 15 (year 2013),  Truck Traffic: 1%,  Average Future Daily Traffic: 50 (year 2033),  Features Intersected: LITTLE TOK OVERFLOW,  Facility Carried by Structure: 91 MILE LOOP
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.965,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.6m (24.9ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Very good,  Operating Rating: 31.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 25.1 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum 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: July 13,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 66,  Location: OLD TOK ALIGNMENT MP 0.9 (Lat: 62.968536,  Lng: -143.316878),  Route carried "on" structure: Spur State highway NSP00,  Year Built: 1951,  Status: Posted for load,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 15 (year 2013),  Truck Traffic: 1%,  Average Future Daily Traffic: 50 (year 2033),  Design Load: HS 20+Mod,  Features Intersected: TRAIL CREEK,  Facility Carried by Structure: 91 MILE LOOP
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.448,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.6m (24.9ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Serious,  Channel: Serious,  Operating Rating: 31.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 24.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of corrective action,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum 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: July 13,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 663,  Location: MILE POINT 101.5 (Lat: 63.109222,  Lng: -143.294361),  Route carried "on" structure: Interstate A12,  Year Built: 1963,  Status: Temporarily open,  Structure Length: 7.35m (24.11ft),  Average Daily Traffic: 403 (year 2013),  Truck Traffic: 25%,  Average Future Daily Traffic: 500 (year 2033),  Design Load: H 20,  Features Intersected: TOK RIVER,  Facility Carried by Structure: TOK CUTOFF HWY
Minimum Vertical Clearance: 4.57m (14.99ft),  Kilometerpoint: 163.318,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 18.3m (60.0ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Serious,  Channel: Very good,  Operating Rating: 64.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of corrective action,  Deck Geometry: Equal to 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: July 13,  Bridge Improvement Cost: $1,003,000,  Total Project Cost: $1,195,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 861,  Location: MILE POINT 35.2 (Lat: 62.463117,  Lng: -143.102650),  Route carried "on" structure: State highway 880,  Year Built: 1969,  Year Reconstructed: 1979,  Status: Posted for load,  Structure Length: 3.72m (12.20ft),  Average Daily Traffic: 44 (year 2013),  Truck Traffic: 1%,  Average Future Daily Traffic: 40 (year 2033),  Features Intersected: JACK CREEK,  Facility Carried by Structure: NABESNA ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 56.602,  Lanes on structure: 1,  Owner: State Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 9.1m (29.9ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 3.8m (12.5ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  Operating Rating: 28.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 15.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 13,  Bridge Improvement Cost: $562,000,  Total Project Cost: $670,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 1092,  Location: MILE POINT 96.0 (Lat: 63.044961,  Lng: -143.369381),  Route carried "on" structure: Interstate A12,  Year Built: 1967,  Status: Open,  Structure Length: 4.15m (13.62ft),  Average Daily Traffic: 369 (year 2013),  Truck Traffic: 25%,  Average Future Daily Traffic: 500 (year 2033),  Design Load: HS 20,  Features Intersected: LITTLE TOK RIVER,  Facility Carried by Structure: TOK CUTOFF HWY
Minimum Vertical Clearance: 4.57m (14.99ft),  Kilometerpoint: 154.550,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.7m (44.9ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Good,  Operating Rating: 64.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 13,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 1474,  Location: AUKE BAY (Lat: 58.381611,  Lng: -134.684992),  Route carried "on" structure: State highway 93,  Year Built: 1982,  Status: Open,  Structure Length: 5.12m (16.80ft),  Average Daily Traffic: 60 (year 2013),  Truck Traffic: 1%,  Average Future Daily Traffic: 60 (year 2032),  Design Load: HS 20,  Features Intersected: AUKE BAY F.T. - EAST,  Facility Carried by Structure: MARINE HWY ROUTE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.113,  Lanes on structure: 1,  Base Highway Network: Yes,  Toll: On toll road,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 42.7m (140.1ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Very good,  Channel: Very good,  Operating Rating: 47.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 21.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: September 13,  Critical Feature Inspection Date: September 14,  Underwater Inspection Date: August 11,  Deck Structure Type: Open Grating
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Structure Number: 2102,  Location: MILE POINT 110 (Lat: 63.160708,  Lng: -143.193708),  Route carried "on" structure: Interstate A12,  Year Built: 2006,  Status: Open,  Structure Length: 3.20m (10.50ft),  Average Daily Traffic: 403 (year 2013),  Truck Traffic: 14%,  Average Future Daily Traffic: 800 (year 2033),  Features Intersected: CLEARWATER CREEK,  Facility Carried by Structure: TOK CUTOFF
Minimum Vertical Clearance: 4.57m (14.99ft),  Kilometerpoint: 177.027,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 31.1m (102.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Very good,  Channel: Excellent,  Operating Rating: 88.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Equal 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: July 13,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 2152,  Location: MILE POINT 3.0 (Lat: 61.175683,  Lng: -149.808264),  Route carried "on" structure: State highway ,  Year Built: 2007,  Status: Open,  Structure Length: 10.91m (35.79ft),  Average Daily Traffic: 23,675 (year 2013),  Truck Traffic: 1%,  Average Future Daily Traffic: 24,000 (year 2033),  Design Load: HS 25,  Features Intersected: NORTH FORK CAMPBELL CR,  Facility Carried by Structure: ELMORE ROAD
Minimum Vertical Clearance: 30.45m (99.90ft),  Kilometerpoint: 4.844,  Lanes on structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 25.6m (84.0ft),  Skew: 32 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 36.6m (120.1ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 3.0m (9.8ft),  Curb-To-Curb Width: 20.1m (65.9ft),  Out-to-Out Width: 25.5m (83.7ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Excellent,  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: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 13,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 4,  Location: MILE POINT 118.1 (Lat: 63.424831,  Lng: -143.815756),  Route carried "on" structure: Interstate A21,  Year Built: 1985,  Status: Open,  Structure Length: 0.61m (2.00ft),  Average Daily Traffic: 403 (year 2013),  Truck Traffic: 9%,  Average Future Daily Traffic: 600 (year 2032),  Design Load: H 20,  Features Intersected: SHEEP CREEK,  Facility Carried by Structure: ALASKA HIGHWAY
Minimum Vertical Clearance: 4.67m (15.32ft),  Kilometerpoint: 190.065,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 43.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 14
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