US Bridges

Kimball; N 400 E over W Br Snake R Valley Cnl

Fair

Bingham County, Idaho · 8.4 Ne. Blackfoot · Structure no. 000000000022962

Built
1980
45 years old
Condition
Fair
inspected March 2022
Type
Frame
Concrete
Length
21 ft
1 main span
Daily traffic
110
2023 count
Owner
County
County Highway Agency

About this bridge

Kimball; N 400 E over W Br Snake R Valley Cnl is a concrete frame carrying Kimball; N 400 E over W Br Snake R Valley Cnl in Bingham County, Idaho. It was built in 1980, so it is 45 years old, younger 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 110 vehicles a day, roughly 10% of them trucks, projected to reach 165 by 2042. The structure is 21 ft (6.4 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesKimball; N 400 E
CrossesW Br Snake R Valley Cnl
Location8.4 Ne. Blackfoot
RouteCounty Highway 0
CountyBingham County
StateIdaho
Coordinates43.25122, -112.21828
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating66 US tons
Inventory rating40 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 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 closed1.9 mi (3 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; N 400 E over W Br Snake R Valley Cnl built?

It was built in 1980, making it 45 years old in 2025.

What condition is Kimball; 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 March 2022.

How much traffic does Kimball; 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; N 400 E over W Br Snake R Valley Cnl?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 32 ft wide.

Who owns Kimball; N 400 E over W Br Snake R Valley Cnl?

It is owned by the County Highway Agency.