US Bridges

Basin Cutoff Road over Shoshone Creek

Fair

Twin Falls County, Idaho · 10.0 S. 8.0 E. Rogerson · Structure no. 000000000025670

Built
1969
56 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
20
2023 count
Owner
Local
Other Local Agency

About this bridge

Basin Cutoff Road over Shoshone Creek is a prestressed concrete tee beam carrying Basin Cutoff Road over Shoshone Creek in Twin Falls County, Idaho. It was built in 1969, so it is 56 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 30 by 2039. The structure is 32 ft (9.8 m) long and 24 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesBasin Cutoff Road
CrossesShoshone Creek
Location10.0 S. 8.0 E. Rogerson
RouteCounty Highway 0
CountyTwin Falls County
StateIdaho
Coordinates42.07408, -114.43983
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.
Superstructure7 GoodSome minor problems.
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic30 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$374,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Basin Cutoff Road over Shoshone Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Basin Cutoff Road over Shoshone 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 September 2023.

How much traffic does Basin Cutoff Road over Shoshone Creek carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Basin Cutoff Road over Shoshone Creek?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 24 ft wide.

Who owns Basin Cutoff Road over Shoshone Creek?

It is owned by the Other Local Agency.