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

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Structure Number: 21,  Location: MILE POINT 36.6 (Lat: 61.766667,  Lng: -150.063333),  Route carried "on" structure: Interstate A41,  Year Built: 2004,  Status: Open,  Structure Length: 6.71m (22.01ft),  Average Daily Traffic: 2,816 (year 2006),  Truck Traffic: 11%,  Average Future Daily Traffic: 6,555 (year 2028),  Features Intersected: WILLOW CREEK,  Facility Carried by Structure: PARKS HIGHWAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 58.902,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 17.1m (56.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 24.1m (79.1ft),  Curb or Sidewalk Widths: Left: 3.6m (11.8ft),  Right: 0.0m,  Curb-To-Curb Width: 17.0m (55.8ft),  Out-to-Out Width: 21.7m (71.2ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Very good,  Channel: Excellent,  Operating Rating: 63.5 metric tons,  Inventory Rating: 32.7 metric tons,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Superior 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: June 2006,  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: 211,  Location: MILE POINT 39.8 (Lat: 61.810000,  Lng: -150.093333),  Route carried "on" structure: Interstate A41,  Year Built: 1962,  Status: Open,  Structure Length: 4.11m (13.48ft),  Average Daily Traffic: 2,420 (year 2006),  Truck Traffic: 14%,  Average Future Daily Traffic: 2,900 (year 2028),  Design Load: HS 20,  Features Intersected: LITTLE WILLOW CREEK,  Facility Carried by Structure: PARKS HIGHWAY
Minimum Vertical Clearance: 5.41m (17.75ft),  Kilometerpoint: 64.038,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 18.9m (62.0ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Very good,  Operating Rating: 51.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 23.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2006,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 212,  Location: MILE POINT 48.3 (Lat: 61.925000,  Lng: -150.070000),  Route carried "on" structure: Interstate A41,  Year Built: 1962,  Status: Open,  Structure Length: 6.49m (21.29ft),  Average Daily Traffic: 2,260 (year 2006),  Truck Traffic: 14%,  Average Future Daily Traffic: 2,750 (year 2028),  Design Load: HS 20,  Features Intersected: KASHWITNA RIVER,  Facility Carried by Structure: PARKS HIGHWAY
Minimum Vertical Clearance: 5.41m (17.75ft),  Kilometerpoint: 77.715,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.3m (69.9ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Very good,  Operating Rating: 57.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal 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: June 2006,  Underwater Inspection Date: September 2004,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 213,  Location: MILE POINT 53.7 (Lat: 61.996667,  Lng: -150.051667),  Route carried "on" structure: Interstate A41,  Year Built: 1962,  Status: Open,  Structure Length: 3.81m (12.50ft),  Average Daily Traffic: 2,055 (year 2006),  Truck Traffic: 14%,  Average Future Daily Traffic: 2,700 (year 2028),  Design Load: HS 20,  Features Intersected: SHEEP CREEK,  Facility Carried by Structure: PARKS HIGHWAY
Minimum Vertical Clearance: 5.41m (17.75ft),  Kilometerpoint: 86.403,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 18.9m (62.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Very good,  Operating Rating: 51.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 23.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2006,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 215,  Location: MILE POINT 61.6 (Lat: 62.105000,  Lng: -150.056667),  Route carried "on" structure: Interstate A41,  Year Built: 1962,  Year Reconstructed: 1987,  Status: Open,  Structure Length: 4.27m (14.01ft),  Average Daily Traffic: 2,220 (year 2006),  Truck Traffic: 16%,  Average Future Daily Traffic: 3,000 (year 2028),  Design Load: HS 20,  Features Intersected: MONTANA CREEK,  Facility Carried by Structure: PARKS HIGHWAY
Minimum Vertical Clearance: 5.41m (17.75ft),  Kilometerpoint: 99.114,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 18.9m (62.0ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Very good,  Operating Rating: 49.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 22.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2006,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 24,  Location: MILE POINT 21.8 (Lat: 61.628333,  Lng: -149.796667),  Route carried "on" structure: Interstate A41,  Year Built: 2004,  Status: Open,  Structure Length: 7.65m (25.10ft),  Average Daily Traffic: 4,003 (year 2006),  Truck Traffic: 11%,  Average Future Daily Traffic: 7,000 (year 2028),  Design Load: HS 25,  Features Intersected: LITTLE SUSITNA RIVER,  Facility Carried by Structure: PARKS HIGHWAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 35.084,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 37.5m (123.0ft),  Curb or Sidewalk Widths: Left: 3.6m (11.8ft),  Right: 0.0m,  Curb-To-Curb Width: 12.0m (39.4ft),  Out-to-Out Width: 16.8m (55.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Structural Evaluation: High priority of corrective action,  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: June 2006,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 254,  Location: MILE POINT 69.3 (Lat: 62.186667,  Lng: -150.171667),  Route carried "on" structure: Interstate A42,  Year Built: 1965,  Status: Open,  Structure Length: 32.67m (107.19ft),  Average Daily Traffic: 1,459 (year 2006),  Truck Traffic: 16%,  Average Future Daily Traffic: 1,700 (year 2028),  Design Load: HS 20,  Features Intersected: SUSITNA RIVER,  Facility Carried by Structure: PARKS HIGHWAY
Minimum Vertical Clearance: 5.41m (17.75ft),  Kilometerpoint: 111.504,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 76.2m (250.0ft),  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: 10.1m (33.1ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  Operating Rating: 74.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.2 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,  Critical Feature Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: June 2006,  Critical Feature Inspection Date: May 2006,  Underwater Inspection Date: September 2004,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 255,  Location: MILE POINT 98.3 (Lat: 62.565000,  Lng: -150.230000),  Route carried "on" structure: Interstate A42,  Year Built: 1970,  Year Reconstructed: 1993,  Status: Open,  Structure Length: 24.26m (79.59ft),  Average Daily Traffic: 1,210 (year 2006),  Truck Traffic: 23%,  Average Future Daily Traffic: 1,400 (year 2028),  Design Load: HS 25,  Features Intersected: CHULITNA RIVER,  Facility Carried by Structure: PARKS HIGHWAY
Minimum Vertical Clearance: 5.41m (17.75ft),  Kilometerpoint: 158.165,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 67.1m (220.1ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 12.8m (42.0ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Very good,  Channel: Very good,  Operating Rating: 65.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.5 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 minimum criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: June 2006,  Underwater Inspection Date: September 2004,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 256,  Location: MILE POINT 102.9 (Lat: 62.626667,  Lng: -150.223333),  Route carried "on" structure: Interstate A42,  Year Built: 1970,  Status: Open,  Structure Length: 4.05m (13.29ft),  Average Daily Traffic: 1,210 (year 2006),  Truck Traffic: 23%,  Average Future Daily Traffic: 1,400 (year 2028),  Design Load: HS 20,  Features Intersected: TROUBLESOME CREEK,  Facility Carried by Structure: PARKS HIGHWAY
Minimum Vertical Clearance: 5.41m (17.75ft),  Kilometerpoint: 165.566,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 19.8m (65.0ft),  Curb-To-Curb Width: 12.7m (41.7ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Very good,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  Operating Rating: 54.0 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: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2006,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 257,  Location: MILE POINT 109.5 (Lat: 62.711667,  Lng: -150.191667),  Route carried "on" structure: Interstate A42,  Year Built: 1970,  Status: Open,  Structure Length: 4.18m (13.71ft),  Average Daily Traffic: 1,210 (year 2006),  Truck Traffic: 23%,  Average Future Daily Traffic: 1,400 (year 2028),  Design Load: HS 20,  Features Intersected: BYERS CREEK,  Facility Carried by Structure: PARKS HIGHWAY
Minimum Vertical Clearance: 5.41m (17.75ft),  Kilometerpoint: 176.186,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.7m (44.9ft),  Curb-To-Curb Width: 12.7m (41.7ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  Operating Rating: 58.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2006,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 262,  Location: MILE POINT 129.0 (Lat: 62.888333,  Lng: -149.715000),  Route carried "on" structure: Interstate A41,  Year Built: 1969,  Year Reconstructed: 2006,  Status: Open,  Structure Length: 8.17m (26.80ft),  Average Daily Traffic: 1,195 (year 2006),  Truck Traffic: 24%,  Average Future Daily Traffic: 1,600 (year 2028),  Design Load: HS 20,  Features Intersected: LITTLE COAL CREEK,  Facility Carried by Structure: PARKS HIGHWAY
Minimum Vertical Clearance: 5.41m (17.75ft),  Kilometerpoint: 207.561,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Steel,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 8,  Length of Maximum Span: 44.2m (145.0ft),  Curb-To-Curb Width: 10.1m (33.1ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Fair,  Channel: Very good,  Operating Rating: 52.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 24.3 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: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 24 months,  Inspection Date: June 2006,  Other Special Inspection Date: July 2002,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 278,  Location: MILE POINT 34.7 (Lat: 61.761667,  Lng: -149.673333),  Route carried "on" structure: State highway 580,  Year Built: 1975,  Status: Open,  Structure Length: 3.35m (10.99ft),  Average Daily Traffic: 138 (year 2006),  Truck Traffic: 1%,  Average Future Daily Traffic: 250 (year 2028),  Design Load: HS 20,  Features Intersected: WILLOW CREEK,  Facility Carried by Structure: FISHHOOK/WILLOW RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 55.832,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 31.7m (104.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.6m (24.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Very good,  Operating Rating: 69.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.2 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: June 2006,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 396,  Location: MILE POINT 30.4 (Lat: 61.768333,  Lng: -149.916667),  Route carried "on" structure: State highway 580,  Year Built: 1972,  Status: Open,  Structure Length: 2.26m (7.41ft),  Average Daily Traffic: 610 (year 2006),  Truck Traffic: 1%,  Average Future Daily Traffic: 800 (year 2028),  Design Load: HS 20,  Features Intersected: DECEPTION CREEK,  Facility Carried by Structure: FISHHOOK/WILLOW RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 48.853,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 11.0m (36.1ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 11.3m (37.1ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 60.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.3 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 minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2006,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 1782,  Location: MATSU BOROUGH (Lat: 61.776667,  Lng: -149.833333),  Route carried "on" structure: County highway ,  Year Built: 1980,  Status: Closed,  Structure Length: 3.29m (10.79ft),  Average Daily Traffic: 10 (year 2006),  Truck Traffic: 1%,  Average Future Daily Traffic: 15 (year 2028),  Features Intersected: WILLOW CREEK,  Facility Carried by Structure: MICHELLE DRIVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.805,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 4.6m (15.1ft),  Material/Design: Steel,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 15.5m (50.9ft),  Curb-To-Curb Width: 2.9m (9.5ft),  Out-to-Out Width: 3.2m (10.5ft)

Condition: Deck: Imminent failure,  Superstructure: Imminent failure,  Substructure: Critical,  Channel: Poor,  Waterway Adequacy: Meets minimum limits,  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: June 2006,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 1831,  Location: MATSU BOROUGH (Lat: 61.775000,  Lng: -149.700000),  Route carried "on" structure: Spur County highway ,  Year Built: 1987,  Status: Open,  Structure Length: 6.19m (20.31ft),  Average Daily Traffic: 20 (year 2006),  Truck Traffic: 1%,  Average Future Daily Traffic: 25 (year 2028),  Features Intersected: WILLOW CREEK,  Facility Carried by Structure: JIM CARTER ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.483,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 4.0m (13.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 23.5m (77.1ft),  Curb-To-Curb Width: 3.0m (9.8ft),  Out-to-Out Width: 4.4m (14.4ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Fair,  Channel: Fair,  Operating Rating: 39.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 22.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: June 2006,  Critical Feature Inspection Date: April 2006,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 1923,  Location: MILE POINT 31.6 (Lat: 61.708333,  Lng: -150.001667),  Route carried "on" structure: Interstate A41,  Year Built: 2002,  Status: Open,  Structure Length: 13.99m (45.90ft),  Average Daily Traffic: 4,003 (year 2006),  Truck Traffic: 11%,  Average Future Daily Traffic: 7,000 (year 2028),  Design Load: HS 25,  Features Intersected: WHITES CROSSING,  Facility Carried by Structure: PARKS HIGHWAY
Minimum Vertical Clearance: 5.33m (17.49ft),  Kilometerpoint: 50.791,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 44.5m (146.0ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 3.7m (12.1ft),  Curb-To-Curb Width: 12.0m (39.4ft),  Out-to-Out Width: 16.8m (55.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Structural Evaluation: High priority of corrective action,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Equal to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2006,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing