US Bridges

IRR BIA RTE 68 over Spring Creek

Fair

Bingham County, Idaho · 10 KM West of Fort Hall · Structure no. 00000000000P403

Built
1974
51 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
60
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 68 over Spring Creek is a prestressed concrete tee beam carrying IRR BIA RTE 68 over Spring Creek in Bingham County, Idaho. It was built in 1974, so it is 51 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 60 vehicles a day, roughly 5% of them trucks, projected to reach 180 by 2043. The structure is 91 ft (27.7 m) long and 33 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesIRR BIA RTE 68
CrossesSpring Creek
Location10 KM West of Fort Hall
RouteFederal Lands Road 68
CountyBingham County
StateIdaho
Coordinates43.04319, -112.55453
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span89 ft (27.1 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2023)
Projected traffic180 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR BIA RTE 68 over Spring Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is IRR BIA RTE 68 over Spring 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 June 2023.

How much traffic does IRR BIA RTE 68 over Spring Creek carry?

About 60 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is IRR BIA RTE 68 over Spring Creek?

The structure is 91 ft (27.7 m) long with a longest span of 89 ft (27.1 m) and a deck 33 ft wide.

Who owns IRR BIA RTE 68 over Spring Creek?

It is owned by the Bureau of Indian Affairs.