US Bridges

STC6732;OLD HWY 91 over Camas Creek

Fair

Jefferson County, Idaho · 4.3 N. 1.0 W. Hamer · Structure no. 000000000032606

Built
2001
24 years old
Condition
Fair
inspected March 2023
Type
Frame
Concrete
Length
30 ft
1 main span
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

STC6732;OLD HWY 91 over Camas Creek is a concrete frame carrying STC6732;OLD HWY 91 over Camas Creek in Jefferson County, Idaho. It was built in 2001, so it is 24 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 300 vehicles a day, roughly 58% of them trucks, projected to reach 450 by 2042. The structure is 30 ft (9.1 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSTC6732;OLD HWY 91
CrossesCamas Creek
Location4.3 N. 1.0 W. Hamer
RouteCounty Highway 6732
StateIdaho
Coordinates43.99061, -112.22997
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.9 US tons
Inventory rating89 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic450 by 2042
Trucks58%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 STC6732;OLD HWY 91 over Camas Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is STC6732;OLD HWY 91 over Camas 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 March 2023.

How much traffic does STC6732;OLD HWY 91 over Camas Creek carry?

About 300 vehicles per day (2023 count), of which roughly 58% are trucks.

How long is STC6732;OLD HWY 91 over Camas Creek?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 40 ft wide.

Who owns STC6732;OLD HWY 91 over Camas Creek?

It is owned by the County Highway Agency.