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


  • National Bridge Inventory (NBI) Statistics
  • 21Number of bridges
  • 75m246ftTotal length
  • $930,000Total costs
  • 102,046Total average daily traffic
  • 4,466Total average daily truck traffic
  • 134,685Total future (year 2032) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Sterling
  • No street view available for this location

New bridges - Historical Statistics

  • 71960-1969
  • 81970-1979
  • 21980-1989
  • 21990-1999
  • 22000-2009

Average Daily Traffic

Average Truck Traffic (%)

Bridge Condition - Deck

Bridge Condition - Superstructure

Bridge Condition - Substructure

Bridge Condition - Channel

Bridge Condition - Culverts

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Structure Number: 23,  Location: MILE POINT 14.8 (Lat: 60.477758,  Lng: -145.403178),  Route carried "on" structure: State highway 851,  Year Built: 1968,  Status: Open,  Structure Length: 6.13m (20.11ft),  Average Daily Traffic: 270 (year 2013),  Truck Traffic: 1%,  Average Future Daily Traffic: 200 (year 2032),  Design Load: HS 20,  Features Intersected: SHERIDAN GLACIER NO. 3,  Facility Carried by Structure: COPPER RIVER HWY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 23.813,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.8m (28.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.3m (30.5ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Very good,  Operating Rating: 83.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.8 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: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: August 14,  Underwater Inspection Date: March 14,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 24,  Location: MILE POINT 21.8 (Lat: 61.626958,  Lng: -149.800911),  Route carried "on" structure: Interstate A41,  Year Built: 2004,  Status: Open,  Structure Length: 7.65m (25.10ft),  Average Daily Traffic: 3,900 (year 2013),  Truck Traffic: 11%,  Average Future Daily Traffic: 7,000 (year 2032),  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,  Operating Rating: 87.6 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: 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 14,  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: 26,  Location: MILE POINT 150.8 (Lat: 63.145078,  Lng: -149.421344),  Route carried "on" structure: Interstate A43,  Year Built: 1967,  Status: Open,  Structure Length: 4.36m (14.30ft),  Average Daily Traffic: 1,895 (year 2013),  Truck Traffic: 24%,  Average Future Daily Traffic: 2,000 (year 2032),  Design Load: HS 20,  Features Intersected: EAST FORK CHULITNA RIVER,  Facility Carried by Structure: PARKS HIGHWAY
Minimum Vertical Clearance: 5.41m (17.75ft),  Kilometerpoint: 242.637,  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: 21.3m (69.9ft),  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: 10.1m (33.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 68.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.6 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,  Inspection Date: June 14,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 27,  Location: MILE POINT 11.8 (Lat: 64.885461,  Lng: -147.249819),  Route carried "on" structure: State highway 650,  Year Built: 1965,  Status: Open,  Structure Length: 3.75m (12.30ft),  Average Daily Traffic: 2,046 (year 2013),  Truck Traffic: 3%,  Average Future Daily Traffic: 2,300 (year 2032),  Design Load: HS 20,  Features Intersected: LITTLE CHENA RIVER,  Facility Carried by Structure: CHENA HOT SPR RD
Minimum Vertical Clearance: 4.59m (15.06ft),  Kilometerpoint: 18.986,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.2m (49.9ft),  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: 10.1m (33.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 83.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 38.2 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 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: 29,  Location: MILE POINT 29.6 (Lat: 57.617622,  Lng: -152.260672),  Route carried "on" structure: State highway 391,  Year Built: 1974,  Status: Open,  Structure Length: 1.92m (6.30ft),  Average Daily Traffic: 250 (year 2013),  Truck Traffic: 1%,  Average Future Daily Traffic: 300 (year 2032),  Design Load: HS 20,  Features Intersected: EAST FORK TWIN CREEK,  Facility Carried by Structure: CHINIAK HIGHWAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 47.598,  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: 2,  Length of Maximum Span: 9.4m (30.8ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.6m (28.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 85.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 38.8 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: September 14,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 32,  Location: MILE POINT 2.6 (Lat: 64.486042,  Lng: -165.292236),  Route carried "on" structure: State highway 130,  Year Built: 1967,  Status: Open,  Structure Length: 8.63m (28.31ft),  Average Daily Traffic: 75 (year 2013),  Truck Traffic: 11%,  Average Future Daily Traffic: 210 (year 2032),  Design Load: HS 20+Mod,  Features Intersected: NOME RIVER,  Facility Carried by Structure: IRR:NOME-COUNCIL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.239,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 42.7m (140.1ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Good,  Channel: Very good,  Operating Rating: 65.9 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: 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: August 14,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 34,  Location: MILE POINT 36.5 (Lat: 60.518472,  Lng: -144.850989),  Route carried "on" structure: State highway 851,  Year Built: 1977,  Status: Closed,  Structure Length: 7.35m (24.11ft),  Average Daily Traffic: 95 (year 2013),  Truck Traffic: 1%,  Average Future Daily Traffic: 150 (year 2032),  Design Load: HS 20,  Features Intersected: COPPER DELTA,  Facility Carried by Structure: COPPER RIVER HWY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 58.685,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.8m (28.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 24.4m (80.1ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.8m (28.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 55.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 25.5 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: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 10,  Bridge Improvement Cost: $781,000,  Total Project Cost: $930,000,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 35,  Location: MILE POINT 8.1 (Lat: 60.516939,  Lng: -145.580128),  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 3,  Facility Carried by Structure: COPPER RIVER HWY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.045,  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: 18.6m (61.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.0m (29.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very 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: Meets minimum limits,  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: 36,  Location: MILE POINT 5.0 (Lat: 61.534281,  Lng: -149.827072),  Route carried "on" structure: State highway 511,  Year Built: 1973,  Status: Open,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 2,531 (year 2013),  Truck Traffic: 7%,  Average Future Daily Traffic: 2,600 (year 2032),  Design Load: HS 20,  Features Intersected: FISH CREEK,  Facility Carried by Structure: BIG LAKE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.060,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  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: Very good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 44.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 25.0 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: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 14,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 38,  Location: MILE POINT 130.0 (Lat: 64.492211,  Lng: -141.192047),  Route carried "on" structure: State highway 786,  Year Built: 1988,  Status: Open,  Structure Length: 2.44m (8.01ft),  Average Daily Traffic: 45 (year 2013),  Truck Traffic: 1%,  Average Future Daily Traffic: 150 (year 2033),  Design Load: HS 20+Mod,  Features Intersected: KING SOLOMON CREEK,  Facility Carried by Structure: TAYLOR HIGHWAY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 209.275,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 24.1m (79.1ft),  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 8.9m (29.2ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 62.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 34.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 13,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 39,  Location: MILE POINT 3.3 (Lat: 64.844281,  Lng: -147.721661),  Route carried "on" structure: State highway 663,  Year Built: 1960,  Status: Open,  Structure Length: 7.41m (24.31ft),  Average Daily Traffic: 6,135 (year 2013),  Truck Traffic: 2%,  Average Future Daily Traffic: 16,000 (year 2032),  Design Load: HS 20,  Features Intersected: CHENA RIVER (CUSHMAN),  Facility Carried by Structure: ILLINOIS/CUSHMAN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.272,  Lanes on structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 24.7m (81.0ft),  Curb or Sidewalk Widths: Left: 1.6m (5.2ft),  Right: 1.6m (5.2ft),  Curb-To-Curb Width: 14.6m (47.9ft),  Out-to-Out Width: 18.3m (60.0ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 45.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 21.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: August 14,  Underwater Inspection Date: October 10,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 407,  Location: MILE POINT 9.7 (Lat: 60.507458,  Lng: -145.537272),  Route carried "on" structure: State highway 851,  Year Built: 1966,  Status: Open,  Structure Length: 5.55m (18.21ft),  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 7,  Facility Carried by Structure: COPPER RIVER HWY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 15.609,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  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: 8.6m (28.2ft),  Out-to-Out Width: 9.0m (29.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: 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: 501,  Location: MILE POINT 2.0 (Lat: 62.638708,  Lng: -141.028947),  Route carried "on" structure: Interstate A11,  Year Built: 1995,  Status: Open,  Structure Length: 3.84m (12.60ft),  Average Daily Traffic: 340 (year 2013),  Truck Traffic: 30%,  Average Future Daily Traffic: 575 (year 2032),  Design Load: HS 25,  Features Intersected: SCOTTIE CREEK,  Facility Carried by Structure: ALASKA HIGHWAY
Minimum Vertical Clearance: 4.67m (15.32ft),  Kilometerpoint: 3.140,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 37.8m (124.0ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 11.9m (39.0ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Very good,  Operating Rating: 90.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 47.8 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: Equal to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 14,  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: 7,  Location: MILE POINT 1.9 (Lat: 61.173014,  Lng: -149.910494),  Route carried "on" structure: State highway 538,  Year Built: 1973,  Status: Open,  Structure Length: 4.57m (14.99ft),  Average Daily Traffic: 18,751 (year 2013),  Truck Traffic: 7%,  Average Future Daily Traffic: 29,000 (year 2033),  Design Load: HS 25,  Features Intersected: INTL AIRPORT RD OVERHEAD,  Facility Carried by Structure: INTL AIRPORT RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.042,  Lanes on structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 17.1m (56.1ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 23.8m (78.1ft),  Out-to-Out Width: 28.4m (93.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Satisfactory,  Operating Rating: 57.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.5 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,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum 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: 4064,  Location: MILE POINT 4.9 (Lat: 58.345689,  Lng: -134.501028),  Route carried "on" structure: State highway 93,  Year Built: 1973,  Status: Open,  Structure Length: 0.61m (2.00ft),  Average Daily Traffic: 21,450 (year 2013),  Truck Traffic: 3%,  Average Future Daily Traffic: 24,000 (year 2033),  Features Intersected: VANDERBILT CREEK,  Facility Carried by Structure: EGAN DRIVE
Minimum Vertical Clearance: 5.54m (18.18ft),  Kilometerpoint: 7.894,  Lanes on structure: 5,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 24.4m (80.1ft),  Skew: 20 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Very good,  Culverts: Very good,  Structural Evaluation: Equal to present desirable 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 13
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Structure Number: 4065,  Location: MILE POINT 4.6 (Lat: 58.295436,  Lng: -134.545589),  Route carried "on" structure: State highway 953,  Year Built: 1985,  Status: Open,  Structure Length: 0.61m (2.00ft),  Average Daily Traffic: 775 (year 2013),  Truck Traffic: 1%,  Average Future Daily Traffic: 1,000 (year 2033),  Features Intersected: SOUTH FORK FISH CREEK,  Facility Carried by Structure: FISH CREEK ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.326,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 54.5 metric tons,  Inventory Rating: 32.7 metric tons,  Structural Evaluation: Equal to present desirable 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 13
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Structure Number: 4066,  Location: MILE POINT 0.1 (Lat: 61.173906,  Lng: -149.981131),  Route carried "on" structure: Ramp State highway ,  Year Built: 2000,  Status: Open,  Structure Length: 1.40m (4.59ft),  Average Daily Traffic: 3,538 (year 2013),  Truck Traffic: 1%,  Average Future Daily Traffic: 4,000 (year 2033),  Design Load: HS 20,  Features Intersected: AIA PEDESTRIAN U.C.,  Facility Carried by Structure: ANCH INTL AIRPORT
Minimum Vertical Clearance: 30.17m (98.98ft),  Kilometerpoint: 0.161,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Agenciy,  Approaching Roadway Width: 16.5m (54.1ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.5m (27.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Culverts: Excellent,  Operating Rating: 70.9 metric tons,  Inventory Rating: 32.7 metric tons,  Structural Evaluation: Superior to present desirable criteria,  Deck Geometry: High priority of corrective action,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 13,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 4067,  Location: MILE POINT 8.3 (Lat: 58.366358,  Lng: -134.577522),  Route carried "on" structure: State highway 953,  Year Built: 1971,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 26,195 (year 2013),  Truck Traffic: 3%,  Average Future Daily Traffic: 26,000 (year 2033),  Features Intersected: JORDAN CREEK (EGAN DR),  Facility Carried by Structure: EGAN DRIVE
Minimum Vertical Clearance: 5.54m (18.18ft),  Kilometerpoint: 13.388,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 21.9m (71.9ft),  Skew: 23 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 2.8m (9.2ft)

Condition: Channel: Good,  Culverts: Very good,  Structural Evaluation: Equal to present desirable 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 13
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Structure Number: 4068,  Location: MILE POINT 4.3 (Lat: 61.599433,  Lng: -149.251183),  Route carried "on" structure: State highway ,  Year Built: 1998,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 11,360 (year 2013),  Truck Traffic: 1%,  Average Future Daily Traffic: 16,000 (year 2032),  Features Intersected: WASILLA CREEK,  Facility Carried by Structure: PALMER/WASILLA HWY
Minimum Vertical Clearance: 30.17m (98.98ft),  Kilometerpoint: 6.896,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Structural Evaluation: Equal to 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 14
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Structure Number: 4069,  Location: MILE POINT 20.6 (Lat: 57.584614,  Lng: -152.448547),  Route carried "on" structure: State highway 391,  Year Built: 1974,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 250 (year 2013),  Truck Traffic: 1%,  Average Future Daily Traffic: 300 (year 2032),  Features Intersected: FRANK CREEK,  Facility Carried by Structure: CHINIAK HIGHWAY
Minimum Vertical Clearance: 30.17m (98.98ft),  Kilometerpoint: 33.186,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 2.1m (6.9ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 73.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 70.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: 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: September 14
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Structure Number: 4071,  Location: MILE POINT 22.2 (Lat: 59.480853,  Lng: -139.169394),  Route carried "on" structure: State highway 942,  Year Built: 1976,  Status: Open,  Structure Length: 1.49m (4.89ft),  Average Daily Traffic: 15 (year 2013),  Truck Traffic: 1%,  Average Future Daily Traffic: 100 (year 2032),  Features Intersected: SOCKEYE CREEK,  Facility Carried by Structure: IRR:DANGEROUS RIV
Minimum Vertical Clearance: 30.17m (98.98ft),  Kilometerpoint: 35.682,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Fair,  Culverts: Fair,  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 14
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