US Bridges

STC5760;CANYON Crk over Canyon Creek

Fair

Shoshone County, Idaho · 3.7 N. 5.6 E. Wallace · Structure no. 000000000030755

Built
1982
43 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
220
2023 count
Owner
County
County Highway Agency

About this bridge

STC5760;CANYON Crk over Canyon Creek is a prestressed concrete tee beam carrying STC5760;CANYON Crk over Canyon Creek in Shoshone County, Idaho. It was built in 1982, so it is 43 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 220 vehicles a day, roughly 22% of them trucks, projected to reach 330 by 2042. The structure is 35 ft (10.7 m) long and 32 ft wide. If it were closed, the detour would be 60.9 mi (98 km).

CarriesSTC5760;CANYON Crk
CrossesCanyon Creek
Location3.7 N. 5.6 E. Wallace
RouteCounty Highway 5760
StateIdaho
Coordinates47.52469, -115.80172
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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating28 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2023)
Projected traffic330 by 2042
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.9 mi (98 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 STC5760;CANYON Crk over Canyon Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is STC5760;CANYON Crk over Canyon 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 July 2024.

How much traffic does STC5760;CANYON Crk over Canyon Creek carry?

About 220 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is STC5760;CANYON Crk over Canyon Creek?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 32 ft wide.

Who owns STC5760;CANYON Crk over Canyon Creek?

It is owned by the County Highway Agency.