US Bridges

Bennett RD over I 84B Ebwb;e.Mtn Home Ic

Fair

Elmore County, Idaho · 3.0 E. Mountain Home · Structure no. 000000000013770

Built
1972
53 years old
Condition
Fair
inspected March 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
342 ft
2 main spans
Daily traffic
1,300
2023 count
Owner
State
State Highway Agency

About this bridge

Bennett RD over I 84B Ebwb;e.Mtn Home Ic is a prestressed concrete continuous box beam or girders - multiple carrying Bennett RD over I 84B Ebwb;e.Mtn Home Ic in Elmore County, Idaho. It was built in 1972, so it is 53 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,300 vehicles a day, roughly 5% of them trucks, projected to reach 1,950 by 2042. The structure is 342 ft (104.2 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBennett RD
CrossesI 84B Ebwb;e.Mtn Home Ic
Location3.0 E. Mountain Home
RouteCounty Highway 0
CountyElmore County
StateIdaho
Coordinates43.08786, -115.61492
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28 US tons
Inventory rating26 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length342 ft (104.2 m)
Longest span130 ft (39.5 m)
Deck width40 ft (12.1 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2023)
Projected traffic1,950 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bennett RD over I 84B Ebwb;e.Mtn Home Ic built?

It was built in 1972, making it 53 years old in 2025.

What condition is Bennett RD over I 84B Ebwb;e.Mtn Home Ic in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2021.

How much traffic does Bennett RD over I 84B Ebwb;e.Mtn Home Ic carry?

About 1,300 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Bennett RD over I 84B Ebwb;e.Mtn Home Ic?

The structure is 342 ft (104.2 m) long with a longest span of 130 ft (39.5 m) and a deck 40 ft wide.

Who owns Bennett RD over I 84B Ebwb;e.Mtn Home Ic?

It is owned by the State Highway Agency.