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

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Structure Number: 275,  Location: MILE POINT 80.1 (Lat: 65.400186,  Lng: -145.740269),  Route carried "on" structure: State highway 670,  Year Built: 1961,  Status: Open,  Structure Length: 3.75m (12.30ft),  Average Daily Traffic: 100 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 140 (year 2039),  Design Load: HS 20,  Features Intersected: NORTH FORK 12 MILE CREEK,  Facility Carried by Structure: STEESE HIGHWAY
Minimum Vertical Clearance: 4.24m (13.91ft),  Kilometerpoint: 143.466,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 69.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.8 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: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 431,  Location: MILE POINT 122.3 (Lat: 65.572361,  Lng: -144.801139),  Route carried "on" structure: State highway 670,  Year Built: 1957,  Status: Open,  Structure Length: 2.47m (8.10ft),  Average Daily Traffic: 110 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 150 (year 2039),  Design Load: H 15,  Features Intersected: CROOKED CREEK,  Facility Carried by Structure: IRR:STEESE HIGHWAY
Minimum Vertical Clearance: 4.24m (13.91ft),  Kilometerpoint: 196.829,  Lanes on structure: 1,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 24.1m (79.1ft),  Curb-To-Curb Width: 4.3m (14.1ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Satisfactory,  Superstructure: Poor,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 37.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of replacement,  Waterway Adequacy: High priority of corrective action,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Critical Feature Inspection Date: August 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 819,  Location: MILE POINT 38.8 (Lat: 65.539233,  Lng: -144.764522),  Route carried "on" structure: State highway 670,  Year Built: 1975,  Status: Open,  Structure Length: 0.85m (2.79ft),  Average Daily Traffic: 120 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 210 (year 2039),  Design Load: HS 20+Mod,  Features Intersected: DEADWOOD CREEK,  Facility Carried by Structure: CIRCLE HOT SPRINGS
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 62.381,  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-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.8m (25.6ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 67.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 826,  Location: MILE POINT 84.7 (Lat: 65.411103,  Lng: -145.887378),  Route carried "on" structure: State highway 670,  Year Built: 1971,  Status: Open,  Structure Length: 1.73m (5.68ft),  Average Daily Traffic: 100 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 140 (year 2039),  Design Load: HS 20+Mod,  Features Intersected: REED CREEK,  Facility Carried by Structure: STEESE HIGHWAY
Minimum Vertical Clearance: 4.24m (13.91ft),  Kilometerpoint: 136.381,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.8m (55.1ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.8m (28.9ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 65.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.4 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 desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 827,  Location: MILE POINT 91.4 (Lat: 65.405847,  Lng: -145.679953),  Route carried "on" structure: State highway 670,  Year Built: 1971,  Status: Open,  Structure Length: 1.72m (5.64ft),  Average Daily Traffic: 100 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 140 (year 2039),  Design Load: HS 20+Mod,  Features Intersected: WILLOW CREEK,  Facility Carried by Structure: STEESE HIGHWAY
Minimum Vertical Clearance: 4.24m (13.91ft),  Kilometerpoint: 147.075,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.8m (55.1ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.8m (28.9ft)

Condition: Deck: Satisfactory,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 65.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.4 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 desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 828,  Location: MILE POINT 93.1 (Lat: 65.409864,  Lng: -145.622958),  Route carried "on" structure: State highway 670,  Year Built: 1971,  Status: Open,  Structure Length: 1.43m (4.69ft),  Average Daily Traffic: 100 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 140 (year 2039),  Design Load: HS 20+Mod,  Features Intersected: BEAR CREEK,  Facility Carried by Structure: STEESE HIGHWAY
Minimum Vertical Clearance: 4.24m (13.91ft),  Kilometerpoint: 149.901,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.7m (44.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.8m (28.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 65.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.4 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 desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 829,  Location: MILE POINT 95.2 (Lat: 65.425503,  Lng: -145.566961),  Route carried "on" structure: State highway 670,  Year Built: 1971,  Status: Open,  Structure Length: 1.73m (5.68ft),  Average Daily Traffic: 100 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 140 (year 2039),  Design Load: HS 20+Mod,  Features Intersected: FISH CREEK,  Facility Carried by Structure: STEESE HIGHWAY
Minimum Vertical Clearance: 4.24m (13.91ft),  Kilometerpoint: 153.173,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.8m (55.1ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.8m (28.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 65.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.4 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 desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 832,  Location: MILE POINT 120.8 (Lat: 65.571186,  Lng: -144.884414),  Route carried "on" structure: State highway 670,  Year Built: 1971,  Status: Open,  Structure Length: 1.57m (5.15ft),  Average Daily Traffic: 140 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 300 (year 2039),  Design Load: HS 20+Mod,  Features Intersected: BOULDER CREEK,  Facility Carried by Structure: STEESE HIGHWAY
Minimum Vertical Clearance: 4.24m (13.91ft),  Kilometerpoint: 194.415,  Lanes on structure: 2,  Base Highway Network: Yes,  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: 1,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.8m (28.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 66.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.7 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 desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 833,  Location: MILE POINT 125.5 (Lat: 65.590939,  Lng: -144.703483),  Route carried "on" structure: State highway 670,  Year Built: 1978,  Status: Open,  Structure Length: 2.32m (7.61ft),  Average Daily Traffic: 110 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 150 (year 2039),  Design Load: HS 20+Mod,  Features Intersected: ALBERT CREEK,  Facility Carried by Structure: IRR:STEESE HIGHWAY
Minimum Vertical Clearance: 4.24m (13.91ft),  Kilometerpoint: 201.937,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.2m (26.9ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.9m (62.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.9m (29.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 62.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.7 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 desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 1234,  Location: MILE POINT 5.7 (Lat: 65.509950,  Lng: -144.691872),  Route carried "on" structure: State highway 670,  Year Built: 1975,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 120 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 210 (year 2039),  Design Load: HS 20,  Features Intersected: KETCHUM CREEK,  Facility Carried by Structure: CIRCLE HOT SPRINGS
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.171,  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: 6.1m (20.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.8m (25.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Good,  Operating Rating: 56.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.2 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: August 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous