US Bridges

STC5752;CDA Rvr RD over Coeur Dalene River

Fair

Shoshone County, Idaho · 1.0 S. Prichard · Structure no. 000000000020515

Built
1975
50 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
270 ft
3 main spans
Daily traffic
610
2023 count
Owner
County
County Highway Agency

About this bridge

STC5752;CDA Rvr RD over Coeur Dalene River is a prestressed concrete stringer/multi-beam or girder carrying STC5752;CDA Rvr RD over Coeur Dalene River in Shoshone County, Idaho. It was built in 1975, so it is 50 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 610 vehicles a day, roughly 27% of them trucks, projected to reach 915 by 2042. The structure is 270 ft (82.3 m) long and 42 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSTC5752;CDA Rvr RD
CrossesCoeur Dalene River
Location1.0 S. Prichard
RouteCounty Highway 5752
StateIdaho
Coordinates47.64678, -115.97335
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating28 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length270 ft (82.3 m)
Longest span108 ft (32.9 m)
Deck width42 ft (12.8 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2023)
Projected traffic915 by 2042
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was STC5752;CDA Rvr RD over Coeur Dalene River built?

It was built in 1975, making it 50 years old in 2025.

What condition is STC5752;CDA Rvr RD 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 STC5752;CDA Rvr RD over Coeur Dalene River carry?

About 610 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is STC5752;CDA Rvr RD over Coeur Dalene River?

The structure is 270 ft (82.3 m) long with a longest span of 108 ft (32.9 m) and a deck 42 ft wide.

Who owns STC5752;CDA Rvr RD over Coeur Dalene River?

It is owned by the County Highway Agency.