US Bridges

Kimball Rd;n 400 E over W.Br.Snake R.Valley Cnl

Fair

Bingham County, Idaho · 1.0 S. Kimball · Structure no. 000000000022955

Built
1979
46 years old
Condition
Fair
inspected April 2024
Type
Frame
Concrete
Length
22 ft
1 main span
Daily traffic
110
2023 count
Owner
County
County Highway Agency

About this bridge

Kimball Rd;n 400 E over W.Br.Snake R.Valley Cnl is a concrete frame carrying Kimball Rd;n 400 E over W.Br.Snake R.Valley Cnl in Bingham County, Idaho. It was built in 1979, so it is 46 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 5 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 110 vehicles a day, roughly 10% of them trucks, projected to reach 165 by 2042. The structure is 22 ft (6.7 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesKimball Rd;n 400 E
CrossesW.Br.Snake R.Valley Cnl
Location1.0 S. Kimball
RouteCounty Highway 0
CountyBingham County
StateIdaho
Coordinates43.25786, -112.21825
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2023)
Projected traffic165 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Kimball Rd;n 400 E over W.Br.Snake R.Valley Cnl built?

It was built in 1979, making it 46 years old in 2025.

What condition is Kimball Rd;n 400 E over W.Br.Snake R.Valley Cnl 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 April 2024.

How much traffic does Kimball Rd;n 400 E over W.Br.Snake R.Valley Cnl carry?

About 110 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Kimball Rd;n 400 E over W.Br.Snake R.Valley Cnl?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 30 ft wide.

Who owns Kimball Rd;n 400 E over W.Br.Snake R.Valley Cnl?

It is owned by the County Highway Agency.