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

Find on map >>   Show street view

Structure Number: 179,  Location: HOONAH (Lat: 58.116647,  Lng: -135.457561),  Route carried "on" structure: State highway 918,  Year Built: 2011,  Status: Open,  Structure Length: 4.05m (13.29ft),  Average Daily Traffic: 45 (year 2018),  Truck Traffic: 7%,  Average Future Daily Traffic: 110 (year 2035),  Design Load: HL 93,  Features Intersected: HOONAH FERRY TERMINAL,  Facility Carried by Structure: IRR:AIRPORT ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Toll: On toll road,  Owner: State Highway Agency,  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: 39.9m (130.9ft),  Curb or Sidewalk Widths: Left: 1.1m (3.6ft),  Right: 0.0m,  Curb-To-Curb Width: 4.8m (15.7ft),  Out-to-Out Width: 5.1m (16.7ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Very good,  Operating Rating: 81.5 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: 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,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: April 2021,  Underwater Inspection Date: August 2021,  Deck Structure Type: Open Grating,  Wearing Surface/Protective System: Deck Protection: Other

Find on map >>   Show street view

Structure Number: 415,  Location: MILE POINT 14.5 (Lat: 55.493306,  Lng: -131.756194),  Route carried "on" structure: State highway NSP00,  Year Built: 2019,  Status: Open,  Structure Length: 4.43m (14.53ft),  Average Daily Traffic: 330 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 1,140 (year 2039),  Design Load: HL 93,  Features Intersected: SECOND WATERFALL CREEK,  Facility Carried by Structure: NORTH TONGASS HWY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 23.268,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 43.4m (142.4ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 12.0m (39.4ft)

Condition: Deck: Excellent,  Superstructure: Very good,  Substructure: Very good,  Channel: Very 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: Equal to present desirable criteria,  Deck Geometry: Equal to present desirable criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing

Find on map >>   Show street view

Structure Number: 418,  Location: MILE POINT 4.1 (Lat: 58.260278,  Lng: -134.325556),  Route carried "on" structure: State highway 963,  Year Built: 1981,  Status: Open,  Structure Length: 4.21m (13.81ft),  Average Daily Traffic: 430 (year 2020),  Truck Traffic: 5%,  Average Future Daily Traffic: 780 (year 2039),  Design Load: HS 20+Mod,  Features Intersected: SHEEP CREEK,  Facility Carried by Structure: THANE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.598,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Very good,  Operating Rating: 59.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.7 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: Superior to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

Find on map >>   Show street view

Structure Number: 749,  Location: MILE POINT 0.3 (Lat: 55.357778,  Lng: -131.696944),  Route carried "on" structure: State highway 920,  Year Built: 1973,  Status: Open,  Structure Length: 2.65m (8.69ft),  Average Daily Traffic: 9,210 (year 2020),  Truck Traffic: 7%,  Average Future Daily Traffic: 11,200 (year 2039),  Design Load: HS 20,  Features Intersected: CARLANNA CREEK,  Facility Carried by Structure: NORTH TONGASS HWY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.481,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 13.7m (44.9ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 25.9m (85.0ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.7m (5.6ft),  Curb-To-Curb Width: 13.7m (44.9ft),  Out-to-Out Width: 15.5m (50.9ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Excellent,  Operating Rating: 60.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric

Find on map >>   Show street view

Structure Number: 986,  Location: MILE POINT 8.6 (Lat: 57.757411,  Lng: -152.514836),  Route carried "on" structure: State highway 391,  Year Built: 1995,  Status: Open,  Structure Length: 3.56m (11.68ft),  Average Daily Traffic: 5,150 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 6,570 (year 2039),  Design Load: HS 20,  Features Intersected: BUSKIN RIVER NO 5,  Facility Carried by Structure: REZANOF DRIVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.811,  Lanes on structure: 3,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 35.1m (115.2ft),  Curb or Sidewalk Widths: Left: 2.4m (7.9ft),  Right: 0.0m,  Curb-To-Curb Width: 13.2m (43.3ft),  Out-to-Out Width: 16.6m (54.5ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Excellent,  Operating Rating: 80.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.2 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: Superior to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing

Find on map >>   Show street view

Structure Number: 987,  Location: MILE POINT 0.6 (Lat: 57.765497,  Lng: -152.520058),  Route carried "on" structure: State highway 391,  Year Built: 1980,  Status: Open,  Structure Length: 3.14m (10.30ft),  Average Daily Traffic: 380 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 510 (year 2039),  Design Load: HS 20,  Features Intersected: BUSKIN RIVER NO 6,  Facility Carried by Structure: ANTON LARSEN BAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.937,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 30.5m (100.1ft),  Curb-To-Curb Width: 8.1m (26.6ft),  Out-to-Out Width: 9.0m (29.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 61.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 28.2 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 desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric

Find on map >>   Show street view

Structure Number: 988,  Location: MILE POINT 1.5 (Lat: 57.776022,  Lng: -152.533561),  Route carried "on" structure: State highway 391,  Year Built: 1960,  Status: Posted for load,  Structure Length: 2.82m (9.25ft),  Average Daily Traffic: 380 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 510 (year 2039),  Design Load: H 20,  Features Intersected: BUSKIN RIVER NO 7,  Facility Carried by Structure: ANTON LARSEN BAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.387,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 7.6m (24.9ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Serious,  Operating Rating: 51.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 23.7 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 minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

Find on map >>   Show street view

Structure Number: 1556,  Location: KOLIGANEK (Lat: 59.727569,  Lng: -157.283125),  Route carried "on" structure: County highway NSP00,  Year Built: 1980,  Status: Posted for load,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 50 (year 2018),  Truck Traffic: 1%,  Average Future Daily Traffic: 70 (year 2035),  Design Load: H 15,  Features Intersected: UNNAMED CREEK, KOLIGANEK,  Facility Carried by Structure: IRR:AIRPORT ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: City or Municipal Highway Agency,  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: 11.9m (39.0ft),  Curb-To-Curb Width: 4.3m (14.1ft),  Out-to-Out Width: 4.6m (15.1ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Poor,  Channel: Good,  Operating Rating: 2.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 2.1 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: 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: September 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

Find on map >>   Show street view

Structure Number: 163,  Location: MILE POINT 3.2 (Lat: 59.383000,  Lng: -136.068000),  Route carried "on" structure: Other road NSPNR,  Year Built: 2009,  Status: Open,  Structure Length: 1.84m (6.04ft),  Average Daily Traffic: 10 (year 2018),  Truck Traffic: 1%,  Average Future Daily Traffic: 12 (year 2035),  Design Load: HS 20+Mod,  Features Intersected: LITTLE SALMON RIVER,  Facility Carried by Structure: DALTON TRAIL SPUR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.150,  Lanes on structure: 1,  Owner: State Park, Forest, or Reservation Agency,  Approaching Roadway Width: 4.3m (14.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.1m (59.4ft),  Curb-To-Curb Width: 4.3m (14.1ft),  Out-to-Out Width: 5.8m (19.0ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  Operating Rating: 70.9 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: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

Find on map >>   Show street view

Structure Number: 1835,  Location: KOLIGANEK (Lat: 59.719017,  Lng: -157.309422),  Route carried "on" structure: Alternate County highway NSP00,  Year Built: 1980,  Year Reconstructed: 1986,  Status: Posted for load,  Structure Length: 1.25m (4.10ft),  Average Daily Traffic: 10 (year 2018),  Truck Traffic: 1%,  Average Future Daily Traffic: 12 (year 2035),  Design Load: H 15,  Features Intersected: UNNAMED CREEK,  Facility Carried by Structure: IRR:KOLGNK DUMP RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 3.4m (11.2ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 4.3m (14.1ft),  Out-to-Out Width: 4.6m (15.1ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 2.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 2.1 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: Better than present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

Find on map >>   Show street view

Structure Number: 195,  Location: MILE POINT 95.3 (Lat: 60.929722,  Lng: -149.341944),  Route carried "on" structure: Interstate A31,  Year Built: 1998,  Status: Open,  Structure Length: 3.31m (10.86ft),  Average Daily Traffic: 6,660 (year 2020),  Truck Traffic: 8%,  Average Future Daily Traffic: 7,590 (year 2039),  Design Load: HS 25 or greater,  Features Intersected: BIRD POINT OVERHEAD,  Facility Carried by Structure: SEWARD HIGHWAY
Minimum Vertical Clearance: 5.11m (16.77ft),  Kilometerpoint: 153.333,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 5 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 31.8m (104.3ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Inventory Rating: 51.0 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,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing