US Bridges

I 15 Sbl over Camas Creek

Good

Jefferson County, Idaho · 4.6 N. Hamer · Structure no. 000000000011890

Built
1989
36 years old
Condition
Good
inspected November 2021
Type
Frame
Concrete
Length
30 ft
1 main span
Daily traffic
1,700
2023 count
Owner
State
State Highway Agency

About this bridge

I 15 Sbl over Camas Creek is a concrete frame carrying I 15 Sbl over Camas Creek in Jefferson County, Idaho. It was built in 1989, so it is 36 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,700 vehicles a day, roughly 41% of them trucks, projected to reach 2,550 by 2042. The structure is 30 ft (9.1 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 15 Sbl
CrossesCamas Creek
Location4.6 N. Hamer
RouteInterstate 15
StateIdaho
Coordinates43.9905, -112.23088
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.9 US tons
Inventory rating79 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic2,550 by 2042
Trucks41%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I 15 Sbl over Camas Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is I 15 Sbl over Camas Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2021.

How much traffic does I 15 Sbl over Camas Creek carry?

About 1,700 vehicles per day (2023 count), of which roughly 41% are trucks.

How long is I 15 Sbl 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 44 ft wide.

Who owns I 15 Sbl over Camas Creek?

It is owned by the State Highway Agency.