US Bridges

STC5758;BEAVER Crk over Beaver Creek

Fair

Shoshone County, Idaho · 6.0 N. 1.0 E. Wallace · Structure no. 000000000020580

Built
1973
52 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
110
2023 count
Owner
County
County Highway Agency

About this bridge

STC5758;BEAVER Crk over Beaver Creek is a steel stringer/multi-beam or girder carrying STC5758;BEAVER Crk over Beaver Creek in Shoshone County, Idaho. It was built in 1973, so it is 52 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 110 vehicles a day, roughly 45% of them trucks, projected to reach 165 by 2042. The structure is 37 ft (11.3 m) long and 24 ft wide. If it were closed, the detour would be 60.9 mi (98 km).

Location

Open in Google Maps
CarriesSTC5758;BEAVER Crk
CrossesBeaver Creek
Location6.0 N. 1.0 E. Wallace
RouteCounty Highway 5758
CountyShoshone County
StateIdaho
Coordinates47.55758, -115.91558
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2023)
Projected traffic165 by 2042
Trucks45%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$438,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was STC5758;BEAVER Crk over Beaver Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is STC5758;BEAVER Crk over Beaver 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 STC5758;BEAVER Crk over Beaver Creek carry?

About 110 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is STC5758;BEAVER Crk over Beaver Creek?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 24 ft wide.

Who owns STC5758;BEAVER Crk over Beaver Creek?

It is owned by the County Highway Agency.