US Bridges

SH 46 over Soldier Creek

Fair

Camas County, Idaho · 27.3 N. Gooding · Structure no. 000000000014385

Built
1955
70 years old
Condition
Fair
inspected August 2021
Type
Stringer/Multi-beam or Girder
Concrete
Length
30 ft
1 main span
Daily traffic
630
2023 count
Owner
State
State Highway Agency

About this bridge

SH 46 over Soldier Creek is a concrete stringer/multi-beam or girder carrying SH 46 over Soldier Creek in Camas County, Idaho. It was built in 1955, so it is 70 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 630 vehicles a day, roughly 15% of them trucks, projected to reach 945 by 2042. The structure is 30 ft (9.1 m) long and 31 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

Location

Open in Google Maps
CarriesSH 46
CrossesSoldier Creek
Location27.3 N. Gooding
RouteState Highway 46
CountyCamas County
StateIdaho
Coordinates43.29637, -114.70869
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic630 (2023)
Projected traffic945 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 km)
TollOn a free road
National Highway SystemNo

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 SH 46 over Soldier Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is SH 46 over Soldier 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 August 2021.

How much traffic does SH 46 over Soldier Creek carry?

About 630 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is SH 46 over Soldier Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 31 ft wide.

Who owns SH 46 over Soldier Creek?

It is owned by the State Highway Agency.