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Bridge Statistics for Mountain Home, Idaho (ID)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 15Number of bridges
  • 144ft / 44.2mTotal length
  • 130,180Total average daily traffic
  • 35,324Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Mountain Home
  • No street view available for this location

New bridges in Mountain Home, ID - historical statistics
  • New bridges - historical statistics
  • 21950-1959
  • 131970-1979
Average Bridge Daily Traffic in Mountain Home, ID
Average Bridge Truck Traffic in Mountain Home, ID
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 77.8%Satisfactory
  • 11.1%Fair
  • 11.1%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 11.1%Good
  • 88.9%Satisfactory
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 77.8%Satisfactory
  • 22.2%Fair
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Structure Number: 13755,  Location: 3.0 W. MOUNTAIN HOME (Lat: 43.173972,  Lng: -115.747028),  Route carried "on" structure: Business Interstate 84,  Year Built: 1970,  Status: Open,  Structure Length: 9.75m (31.99ft),  Average Daily Traffic: 2,500 (year 2019),  Truck Traffic: 10%,  Average Future Daily Traffic: 3,750 (year 2039),  Design Load: HS 20,  Features Intersected: I 84;W.MOUNTAIN HOME IC
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.359,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Number Of Approach Spans: 2,  Length of Maximum Span: 40.2m (131.9ft),  Curb-To-Curb Width: 14.6m (47.9ft),  Out-to-Out Width: 15.5m (50.9ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 48.1 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: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 48 months,  Inspection Date: March 2021,  Other Special Inspection Date: March 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 13765,  Location: 2.0 S. MOUNTAIN HOME (Lat: 43.088639,  Lng: -115.662111),  Route carried "on" structure: County highway 3813,  Year Built: 1973,  Status: Open,  Structure Length: 8.44m (27.69ft),  Average Daily Traffic: 1,800 (year 2019),  Truck Traffic: 10%,  Average Future Daily Traffic: 2,700 (year 2039),  Design Load: HS 20,  Features Intersected: STC3816;OLD US 30;UPRR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.648,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: Local Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 18.0m (59.1ft),  Curb-To-Curb Width: 11.2m (36.7ft),  Out-to-Out Width: 12.1m (39.7ft)

Condition: Deck: Poor,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 57.2 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: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 12 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 1584,  Location: 5.5 W. MOUNTAIN HOME (Lat: 43.175500,  Lng: -115.757278),  Route carried "on" structure: Interstate 84,  Year Built: 1959,  Year Reconstructed: 1991,  Status: Open,  Structure Length: 1.10m (3.61ft),  Average Daily Traffic: 13,000 (year 2019),  Truck Traffic: 27%,  Average Future Daily Traffic: 19,500 (year 2039),  Design Load: HS 20,  Features Intersected: CANYON CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 144.454,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: I,  Subroute: 1),  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: 1,  Length of Maximum Span: 10.4m (34.1ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 53.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 15845,  Location: 5.5 W. MOUNTAIN HOME (Lat: 43.175719,  Lng: -115.757050),  Route carried "on" structure: Interstate 84,  Year Built: 1959,  Year Reconstructed: 1991,  Status: Open,  Structure Length: 1.10m (3.61ft),  Average Daily Traffic: 13,000 (year 2019),  Truck Traffic: 27%,  Average Future Daily Traffic: 19,500 (year 2039),  Design Load: HS 20,  Features Intersected: CANYON CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 144.456,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: I,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.4m (34.1ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 53.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 15865,  Location: 0.3 N. MOUNTAIN HOME (Lat: 43.139436,  Lng: -115.663567),  Route carried "on" structure: Interstate 84,  Year Built: 1971,  Status: Open,  Structure Length: 2.83m (9.28ft),  Average Daily Traffic: 9,250 (year 2019),  Truck Traffic: 34%,  Average Future Daily Traffic: 13,875 (year 2039),  Design Load: HS 20,  Features Intersected: US 20;N.MOUNTAIN HOME IC
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 153.211,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: I,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 27.0m (88.6ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Operating Rating: 75.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 43.5 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,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: 1587,  Location: 0.3 N. MOUNTAIN HOME (Lat: 43.139306,  Lng: -115.663944),  Route carried "on" structure: Interstate 84,  Year Built: 1971,  Status: Open,  Structure Length: 2.83m (9.28ft),  Average Daily Traffic: 9,250 (year 2019),  Truck Traffic: 34%,  Average Future Daily Traffic: 13,875 (year 2039),  Design Load: HS 20,  Features Intersected: US 20;N.MOUNTAIN HOME IC
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 153.227,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: I,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 27.0m (88.6ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Operating Rating: 75.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 43.5 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,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: 27825,  Location: 5.0N 0.3E MOUNTAIN HOME (Lat: 43.205400,  Lng: -115.689611),  Route carried "on" structure: County highway ,  Year Built: 1978,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 80 (year 2019),  Truck Traffic: 13%,  Average Future Daily Traffic: 120 (year 2039),  Design Load: HS 20,  Features Intersected: FEEDER CANAL,  Facility Carried by Structure: CANYON CREEK ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.194,  Lanes on structure: 2,  Owner: Local Agency,  Approaching Roadway Width: 5.8m (19.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.6m (24.9ft),  Curb-To-Curb Width: 9.2m (30.2ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 43.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 31.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 27885,  Location: 2.8 W. MOUNTAIN HOME (Lat: 43.163978,  Lng: -115.707361),  Route carried "on" structure: County highway ,  Year Built: 1971,  Status: Open,  Structure Length: 8.20m (26.90ft),  Average Daily Traffic: 1,700 (year 2019),  Truck Traffic: 12%,  Average Future Daily Traffic: 2,550 (year 2039),  Design Load: HS 20,  Features Intersected: I 84;CANYON CREEK RD GS,  Facility Carried by Structure: CANYON CREEK ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.087,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Number Of Approach Spans: 2,  Length of Maximum Span: 32.3m (106.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 59.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.4 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,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Other Special Inspection Frequency: Every 48 months,  Inspection Date: March 2018,  Other Special Inspection Date: March 2018,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: 2789,  Location: 1.0 W. MOUNTAIN HOME (Lat: 43.149639,  Lng: -115.677528),  Route carried "on" structure: County highway ,  Year Built: 1971,  Status: Open,  Structure Length: 9.17m (30.09ft),  Average Daily Traffic: 1,200 (year 2019),  Truck Traffic: 10%,  Average Future Daily Traffic: 1,800 (year 2039),  Design Load: HS 20,  Features Intersected: I 84;EIGHTEENTH ST GS,  Facility Carried by Structure: EIGHTEENTH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 181.719,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Number Of Approach Spans: 2,  Length of Maximum Span: 35.8m (117.5ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 48.1 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: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 48 months,  Inspection Date: March 2020,  Other Special Inspection Date: March 2018,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: 13755,  Location: 3.0 W. MOUNTAIN HOME (Lat: 43.173972,  Lng: -115.747028),  Route carried "under" structure: Interstate 84,  Year Built: 1970,  Structure Length: 0. m,  Average Daily Traffic: 20,000 (year 2018),  Truck Traffic: 31%,  Features Intersected: I 84;W.MOUNTAIN HOME IC
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 145.361,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 40.2m (131.9ft)

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Structure Number: 13765,  Location: 2.0 S. MOUNTAIN HOME (Lat: 43.088639,  Lng: -115.662111),  Route carried "under" structure: County highway 3816,  Year Built: 1973,  Structure Length: 0. m,  Average Daily Traffic: 1,000 (year 2018),  Truck Traffic: 4%,  Features Intersected: STC3816;OLD US 30;UPRR,  Facility Carried by Structure: STC3813;OLD ORE TR
Minimum Vertical Clearance: 7.24m (23.75ft),  Kilometerpoint: 170.446,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 18.0m (59.1ft)

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Structure Number: 15865,  Location: 0.3 N. MOUNTAIN HOME (Lat: 43.139436,  Lng: -115.663567),  Route carried "under" structure: US 20,  Year Built: 1971,  Structure Length: 0. m,  Average Daily Traffic: 8,700 (year 2018),  Truck Traffic: 15%,  Features Intersected: US 20;N.MOUNTAIN HOME IC,  Facility Carried by Structure: I 84 WBL
Minimum Vertical Clearance: 5.21m (17.09ft),  Kilometerpoint: 153.523,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 27.0m (88.6ft)

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Structure Number: 1587,  Location: 0.3 N. MOUNTAIN HOME (Lat: 43.139306,  Lng: -115.663944),  Route carried "under" structure: US 20,  Year Built: 1971,  Structure Length: 0. m,  Average Daily Traffic: 8,700 (year 2018),  Truck Traffic: 15%,  Features Intersected: US 20;N.MOUNTAIN HOME IC,  Facility Carried by Structure: I 84 EBL
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 153.483,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 27.0m (88.6ft)

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Structure Number: 27885,  Location: 2.8 W. MOUNTAIN HOME (Lat: 43.163978,  Lng: -115.707361),  Route carried "under" structure: Interstate 84,  Year Built: 1971,  Structure Length: 0. m,  Average Daily Traffic: 20,000 (year 2018),  Truck Traffic: 31%,  Features Intersected: I 84;CANYON CREEK RD GS,  Facility Carried by Structure: CANYON CREEK ROAD
Minimum Vertical Clearance: 5.28m (17.32ft),  Kilometerpoint: 148.711,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 32.3m (106.0ft)

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Structure Number: 2789,  Location: 1.0 W. MOUNTAIN HOME (Lat: 43.149639,  Lng: -115.677528),  Route carried "under" structure: Interstate 84,  Year Built: 1971,  Structure Length: 0. m,  Average Daily Traffic: 20,000 (year 2018),  Truck Traffic: 31%,  Features Intersected: I 84;EIGHTEENTH ST GS,  Facility Carried by Structure: EIGHTEENTH STREET
Minimum Vertical Clearance: 5.26m (17.26ft),  Kilometerpoint: 151.602,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 35.8m (117.5ft)

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