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


  • National Bridge Inventory (NBI) Statistics
  • 12Number of bridges
  • 16m52ftTotal length
  • $2,750,000Total costs
  • 65Total average daily traffic
  • 150Total future (year 2033) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Port Graham
  • No street view available for this location

Bridge Condition - Deck

Bridge Condition - Superstructure

Bridge Condition - Substructure

Bridge Condition - Channel

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Structure Number: 1026-2,  Location: 0.5 Mi. N of Windy Bay Rd (Lat: 59.295889,  Lng: -151.695361),  Route carried "on" structure: Federal lands road 1026,  Year Built: 1997,  Status: Open,  Structure Length: 2.28m (7.48ft),  Average Daily Traffic: 5 (year 2013),  Average Future Daily Traffic: 10 (year 2033),  Features Intersected: Big Creek
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.800,  Lanes on structure: 1,  Owner: Indian Tribal Government,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 22.4m (73.5ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 4.8m (15.7ft),  Out-to-Out Width: 4.8m (15.7ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 49.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present desirable criteria,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 13,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 1026-4,  Location: 0.8 Mi N of Windy Bay Rd (Lat: 59.296917,  Lng: -151.688694),  Route carried "on" structure: Federal lands road 1026,  Year Built: 1997,  Status: Open,  Structure Length: 1.13m (3.71ft),  Average Daily Traffic: 5 (year 2013),  Average Future Daily Traffic: 10 (year 2033),  Features Intersected: UNNAMED CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.300,  Lanes on structure: 1,  Owner: Indian Tribal Government,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 8.4m (27.6ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 4.3m (14.1ft),  Out-to-Out Width: 7.4m (24.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 32.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 18.1 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 desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 13,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 1048-2,  Location: 16.6 Mi SE of Port Graham (Lat: 59.231056,  Lng: -151.580389),  Route carried "on" structure: Federal lands road 1048,  Year Built: 1997,  Status: Closed,  Structure Length: 1.81m (5.94ft),  Average Future Daily Traffic: 5 (year 2033),  Features Intersected: Windy Creek Right
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.100,  Lanes on structure: 1,  Owner: Indian Tribal Government,  Approaching Roadway Width: 3.5m (11.5ft),  Material/Design: Steel,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.8m (55.1ft),  Curb-To-Curb Width: 2.9m (9.5ft),  Out-to-Out Width: 4.4m (14.4ft)

Condition: Deck: Failed,  Superstructure: Fair,  Substructure: Poor,  Channel: Very good,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: High priority of corrective action,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 3.05m (10.01ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: October 13,  Critical Feature Inspection Date: October 13,  Bridge Improvement Cost: $550,000,  Roadway Improvement Cost: $50,000,  Total Project Cost: $700,000 ( Estimate for 2014),  Deck Structure Type: Wood or Timber
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Structure Number: 1052-2,  Location: 2.2 Mi S of Windy Bay Rd (Lat: 59.223556,  Lng: -151.587944),  Route carried "on" structure: Federal lands road 1052,  Year Built: 1997,  Status: Closed,  Structure Length: 0.80m (2.62ft),  Average Future Daily Traffic: 5 (year 2033),  Features Intersected: UNNAMED CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.011,  Lanes on structure: 1,  Owner: Indian Tribal Government,  Approaching Roadway Width: 4.9m (16.1ft),  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 or Sidewalk Widths: Left: 0.8m (2.6ft),  Right: 0.8m (2.6ft),  Curb-To-Curb Width: 3.1m (10.2ft),  Out-to-Out Width: 6.8m (22.3ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 54.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 1.20m (3.94ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 13,  Bridge Improvement Cost: $200,000,  Roadway Improvement Cost: $60,000,  Total Project Cost: $300,000 ( Estimate for 2014),  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 1082-35,  Location: 15.5 Mi SE of Port Graham (Lat: 59.238194,  Lng: -151.560333),  Route carried "on" structure: Federal lands road 1082,  Year Built: 1997,  Status: Closed,  Structure Length: 1.83m (6.00ft),  Average Future Daily Traffic: 10 (year 2033),  Features Intersected: Windy Creek Left
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.800,  Lanes on structure: 1,  Owner: Indian Tribal Government,  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: 16.8m (55.1ft),  Curb-To-Curb Width: 4.3m (14.1ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Failed,  Superstructure: Failed,  Substructure: Failed,  Channel: Failed,  Deck Geometry: Equal to present minimum criteria,  Approach Roadway Alignment: High priority of corrective action,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 3.66m (12.01ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 13,  Bridge Improvement Cost: $600,000,  Roadway Improvement Cost: $60,000,  Total Project Cost: $800,000 ( Estimate for 2014),  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 8PGH-15,  Location: 2.5 Mi. SE of Port Graham (Lat: 59.332567,  Lng: -151.812433),  Route carried "on" structure: Federal lands road 8PGH,  Year Built: 1995,  Status: Open,  Structure Length: 1.07m (3.51ft),  Average Daily Traffic: 10 (year 2013),  Average Future Daily Traffic: 20 (year 2033),  Features Intersected: UNNAMED CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.000,  Lanes on structure: 1,  Owner: Indian Tribal Government,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.2m (33.5ft),  Curb-To-Curb Width: 4.8m (15.7ft),  Out-to-Out Width: 5.0m (16.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 41.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 13,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 8PGH-17,  Location: 6.5 Mi SE of Port Graham (Lat: 59.300056,  Lng: -151.731139),  Route carried "on" structure: Federal lands road 8PGH,  Year Built: 1996,  Status: Open,  Structure Length: 1.37m (4.49ft),  Average Daily Traffic: 10 (year 2013),  Average Future Daily Traffic: 20 (year 2033),  Features Intersected: UNNAMED CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.500,  Lanes on structure: 1,  Owner: Indian Tribal Government,  Approaching Roadway Width: 4.6m (15.1ft),  Material/Design: Steel,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.3m (43.6ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 59.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 41.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 13,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 8PGH-19,  Location: 9.5 Mi. SE of Port Graham (Lat: 59.278806,  Lng: -151.665917),  Route carried "on" structure: Federal lands road 8PGH,  Year Built: 1996,  Status: Open,  Structure Length: 2.28m (7.48ft),  Average Daily Traffic: 10 (year 2013),  Average Future Daily Traffic: 20 (year 2033),  Features Intersected: Big Creek
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 15.300,  Lanes on structure: 1,  Owner: Indian Tribal Government,  Approaching Roadway Width: 4.6m (15.1ft),  Material/Design: Steel,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 22.4m (73.5ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 4.8m (15.7ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 56.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: 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: October 13,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 8PGH-3,  Location: 13.3 Mi SE of Port Graham (Lat: 59.252611,  Lng: -151.637028),  Route carried "on" structure: Federal lands road 8PGH,  Year Built: 1997,  Status: Open,  Structure Length: 1.07m (3.51ft),  Average Daily Traffic: 10 (year 2013),  Average Future Daily Traffic: 20 (year 2033),  Features Intersected: Dog Salmon Creek
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 21.500,  Lanes on structure: 1,  Owner: Indian Tribal Government,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.2m (33.5ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 4.8m (15.7ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Fair,  Operating Rating: 51.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: 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: October 13,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 8PGH-35,  Location: 14.2 Mi SE of Port Graham (Lat: 59.248417,  Lng: -151.622361),  Route carried "on" structure: Federal lands road 8PGH,  Year Built: 1997,  Status: Open,  Structure Length: 1.13m (3.71ft),  Average Daily Traffic: 5 (year 2013),  Average Future Daily Traffic: 10 (year 2033),  Features Intersected: UNNAMED CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 22.900,  Lanes on structure: 1,  Owner: Indian Tribal Government,  Approaching Roadway Width: 4.0m (13.1ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 8.8m (28.9ft),  Curb or Sidewalk Widths: Left: 0.4m (1.3ft),  Right: 0.4m (1.3ft),  Curb-To-Curb Width: 4.0m (13.1ft),  Out-to-Out Width: 6.6m (21.7ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Serious,  Channel: Poor,  Operating Rating: 28.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 15.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of corrective action,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: High priority of replacement,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 1.52m (4.99ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 13,  Bridge Improvement Cost: $240,000,  Roadway Improvement Cost: $60,000,  Total Project Cost: $350,000 ( Estimate for 2014),  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 8PGH-37,  Location: 14.5 Mi SE of Port Graham (Lat: 59.246056,  Lng: -151.616611),  Route carried "on" structure: Federal lands road 8PGH,  Year Built: 1997,  Status: Closed,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 5 (year 2013),  Average Future Daily Traffic: 10 (year 2033),  Features Intersected: UNNAMED CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 23.300,  Lanes on structure: 1,  Owner: Indian Tribal Government,  Approaching Roadway Width: 3.5m (11.5ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 3.1m (10.2ft),  Out-to-Out Width: 6.4m (21.0ft)

Condition: Deck: Failed,  Superstructure: Imminent failure,  Substructure: Failed,  Channel: Failed,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 1.50m (4.92ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 13,  Bridge Improvement Cost: $200,000,  Roadway Improvement Cost: $60,000,  Total Project Cost: $300,000 ( Estimate for 2014),  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 8PGH-39,  Location: 15.4 Mi SE of Port Graham (Lat: 59.241306,  Lng: -151.602583),  Route carried "on" structure: Federal lands road 8PGH,  Year Built: 1997,  Status: Open,  Structure Length: 1.13m (3.71ft),  Average Daily Traffic: 5 (year 2013),  Average Future Daily Traffic: 10 (year 2033),  Features Intersected: UNNAMED CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 24.800,  Lanes on structure: 1,  Owner: Indian Tribal Government,  Approaching Roadway Width: 5.0m (16.4ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.0m (29.5ft),  Curb-To-Curb Width: 3.1m (10.2ft),  Out-to-Out Width: 6.8m (22.3ft)

Condition: Deck: Serious,  Superstructure: Serious,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 13.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 2.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Deck Geometry: High priority of replacement,  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: > 39.9% below),  Length Of Structure Improvement: 1.50m (4.92ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 13,  Bridge Improvement Cost: $200,000,  Roadway Improvement Cost: $60,000,  Total Project Cost: $300,000 ( Estimate for 2014),  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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