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Bridge Statistics for Inkom, Idaho (ID) - Condition, Traffic, Stress, Structural Evaluation, Project Costs

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National Bridge Inventory (NBI) Statistics
Number of bridges: 12
Total length: 40 meters (131ft)
Total costs: $1,324,000
Total average daily traffic: 84,090
Total average daily truck traffic: 16,882
National Bridge Inventory (NBI) Registered Bridges for Inkom

New bridges - Historical Statistics

  • 1940-1949: 1
  • 1950-1959: 0
  • 1960-1969: 10
  • 1970-1979: 0
  • 1980-1989: 0
  • 1990-1999: 1

Average Daily Traffic

Average Truck Traffic (%)

Bridge Condition - Deck

Bridge Condition - Superstructure

Bridge Condition - Substructure

Bridge Condition - Channel

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Structure Number: 11165,  Location: 0.1 E. INKOM (Lat: 42.796667,  Lng: -112.249167),  Route carried "on" structure: Interstate 15,  Year Built: 1963,  Status: Open,  Structure Length: 4.60m (15.09ft),  Average Daily Traffic: 13,200 (year 2006),  Truck Traffic: 21%,  Average Future Daily Traffic: 19,800 (year 2026),  Design Load: HS 20,  Features Intersected: RAPID CREEK;INKOM
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 91.789,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.9m (48.9ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 48.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to 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: September 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 1117,  Location: 0.1 E. INKOM (Lat: 42.796389,  Lng: -112.249167),  Route carried "on" structure: Interstate 15,  Year Built: 1963,  Status: Open,  Structure Length: 4.60m (15.09ft),  Average Daily Traffic: 13,200 (year 2006),  Truck Traffic: 21%,  Average Future Daily Traffic: 19,800 (year 2026),  Design Load: HS 20,  Features Intersected: RAPID CREEK;INKOM
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 91.790,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.9m (48.9ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 48.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to 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: September 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 11175,  Location: IN INKOM;MAIN ST. (Lat: 42.797778,  Lng: -112.251389),  Route carried "on" structure: Interstate 15,  Year Built: 1962,  Status: Open,  Structure Length: 3.78m (12.40ft),  Average Daily Traffic: 13,200 (year 2006),  Truck Traffic: 21%,  Average Future Daily Traffic: 19,800 (year 2026),  Design Load: HS 20,  Features Intersected: MAIN STREET GS
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 92.009,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 12.5m (41.0ft),  Curb-To-Curb Width: 11.8m (38.7ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 54.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 1118,  Location: IN INKOM;MAIN ST. (Lat: 42.797500,  Lng: -112.251389),  Route carried "on" structure: Interstate 15,  Year Built: 1962,  Status: Open,  Structure Length: 3.78m (12.40ft),  Average Daily Traffic: 13,200 (year 2006),  Truck Traffic: 21%,  Average Future Daily Traffic: 19,800 (year 2026),  Design Load: HS 20,  Features Intersected: MAIN STREET GS
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 92.011,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 12.5m (41.0ft),  Curb-To-Curb Width: 11.7m (38.4ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 54.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 11185,  Location: 0.5 W. INKOM (Lat: 42.798611,  Lng: -112.261667),  Route carried "on" structure: Interstate 15,  Year Built: 1962,  Status: Open,  Structure Length: 3.47m (11.38ft),  Average Daily Traffic: 13,200 (year 2006),  Truck Traffic: 21%,  Average Future Daily Traffic: 19,800 (year 2026),  Design Load: HS 20,  Features Intersected: I 15B;W.INKOM IC
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 92.835,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.3m (37.1ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 51.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: High priority of replacement,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.45m (14.60ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2007,  Bridge Improvement Cost: $583,000,  Roadway Improvement Cost: $58,000,  Total Project Cost: $874,000 ( Estimate for 2003),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 1119,  Location: 0.5 W. INKOM (Lat: 42.798333,  Lng: -112.261667),  Route carried "on" structure: Interstate 15,  Year Built: 1962,  Status: Open,  Structure Length: 3.47m (11.38ft),  Average Daily Traffic: 13,200 (year 2006),  Truck Traffic: 21%,  Average Future Daily Traffic: 19,800 (year 2026),  Design Load: HS 20,  Features Intersected: I 15B;W.INKOM IC
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 92.836,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.3m (37.1ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 51.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
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Structure Number: 2191,  Location: AT INKOM SCL (Lat: 42.791667,  Lng: -112.251111),  Route carried "on" structure: City street 1764,  Year Built: 1940,  Status: Open,  Structure Length: 1.34m (4.40ft),  Average Daily Traffic: 910 (year 2006),  Truck Traffic: 3%,  Average Future Daily Traffic: 1,365 (year 2026),  Design Load: H 15,  Features Intersected: PORTNEUF RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 161.100,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.8m (42.0ft),  Curb-To-Curb Width: 7.1m (23.3ft),  Out-to-Out Width: 7.8m (25.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 32.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 20.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 2.01m (6.59ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2007,  Bridge Improvement Cost: $300,000,  Roadway Improvement Cost: $30,000,  Total Project Cost: $450,000 ( Estimate for 2005),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 21913,  Location: W. LINCOLN AVE IN INKOM (Lat: 42.796111,  Lng: -112.251389),  Route carried "on" structure: City street ,  Year Built: 1997,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 100 (year 2006),  Truck Traffic: 5%,  Average Future Daily Traffic: 150 (year 2026),  Design Load: HS 20,  Features Intersected: RAPID CREEK,  Facility Carried by Structure: W. LINCOLN AVE
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 161.706,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.7m (5.6ft),  Curb-To-Curb Width: 8.9m (29.2ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 45.0 metric tons,  Inventory Rating: 32.4 metric tons,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 11175,  Location: IN INKOM;MAIN ST. (Lat: 42.797778,  Lng: -112.251389),  Route carried "under" structure: County highway 1760,  Year Built: 1962,  Structure Length: 3.78m (12.40ft),  Average Daily Traffic: 740 (year 2006),  Truck Traffic: 5%,  Features Intersected: MAIN STREET GS,  Facility Carried by Structure: I 15 NBL
Minimum Vertical Clearance: 4.75m (15.58ft),  Kilometerpoint: 0.531,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 12.5m (41.0ft)

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Structure Number: 1118,  Location: IN INKOM;MAIN ST. (Lat: 42.797500,  Lng: -112.251389),  Route carried "under" structure: County highway 1760,  Year Built: 1962,  Structure Length: 3.78m (12.40ft),  Average Daily Traffic: 740 (year 2006),  Truck Traffic: 5%,  Features Intersected: MAIN STREET GS,  Facility Carried by Structure: I 15 SBL
Minimum Vertical Clearance: 0.45m (1.48ft),  Kilometerpoint: 0.533,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 12.5m (41.0ft)

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Structure Number: 11185,  Location: 0.5 W. INKOM (Lat: 42.798611,  Lng: -112.261667),  Route carried "under" structure: Business Interstate 15,  Year Built: 1962,  Structure Length: 3.47m (11.38ft),  Average Daily Traffic: 1,200 (year 2006),  Truck Traffic: 6%,  Features Intersected: I 15B;W.INKOM IC
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 1.585,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 11.3m (37.1ft)

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Structure Number: 1119,  Location: 0.5 W. INKOM (Lat: 42.798333,  Lng: -112.261667),  Route carried "under" structure: Business Interstate 15,  Year Built: 1962,  Structure Length: 3.47m (11.38ft),  Average Daily Traffic: 1,200 (year 2006),  Truck Traffic: 6%,  Features Intersected: I 15B;W.INKOM IC
Minimum Vertical Clearance: 4.82m (15.81ft),  Kilometerpoint: 1.561,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 11.3m (37.1ft)

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