US Bridges

Jameston Road over Sand Creek

Fair

Bingham County, Idaho · 0.4 S. 3.0 E. Shelley · Structure no. 000000000022930

Built
1978
47 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
910
2023 count
Owner
County
County Highway Agency

About this bridge

Jameston Road over Sand Creek is a prestressed concrete tee beam carrying Jameston Road over Sand Creek in Bingham County, Idaho. It was built in 1978, so it is 47 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 910 vehicles a day, roughly 6% of them trucks, projected to reach 1,365 by 2042. The structure is 38 ft (11.6 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesJameston Road
CrossesSand Creek
Location0.4 S. 3.0 E. Shelley
RouteCounty Highway 0
CountyBingham County
StateIdaho
Coordinates43.37574, -112.06377
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating41.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span37 ft (11.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic910 (2023)
Projected traffic1,365 by 2042
Trucks6%
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 Jameston Road over Sand Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Jameston Road over Sand Creek 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 November 2023.

How much traffic does Jameston Road over Sand Creek carry?

About 910 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Jameston Road over Sand Creek?

The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.3 m) and a deck 32 ft wide.

Who owns Jameston Road over Sand Creek?

It is owned by the County Highway Agency.