US Bridges

STC5758;BEAVER Crk over Coeur Dalene River

Fair

Shoshone County, Idaho · 2.0 S. Prichard · Structure no. 000000000020585

Built
1979
46 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
226 ft
3 main spans
Daily traffic
130
2023 count
Owner
County
County Highway Agency

About this bridge

STC5758;BEAVER Crk over Coeur Dalene River is a prestressed concrete tee beam carrying STC5758;BEAVER Crk over Coeur Dalene River in Shoshone County, Idaho. It was built in 1979, so it is 46 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 130 vehicles a day, roughly 86% of them trucks, projected to reach 195 by 2042. The structure is 226 ft (68.9 m) long and 28 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSTC5758;BEAVER Crk
CrossesCoeur Dalene River
Location2.0 S. Prichard
RouteCounty Highway 5758
StateIdaho
Coordinates47.63458, -115.97964
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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length226 ft (68.9 m)
Longest span151 ft (46 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2023)
Projected traffic195 by 2042
Trucks86%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$1.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was STC5758;BEAVER Crk over Coeur Dalene River built?

It was built in 1979, making it 46 years old in 2025.

What condition is STC5758;BEAVER Crk over Coeur Dalene River 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 Coeur Dalene River carry?

About 130 vehicles per day (2023 count), of which roughly 86% are trucks.

How long is STC5758;BEAVER Crk over Coeur Dalene River?

The structure is 226 ft (68.9 m) long with a longest span of 151 ft (46 m) and a deck 28 ft wide.

Who owns STC5758;BEAVER Crk over Coeur Dalene River?

It is owned by the County Highway Agency.