US Bridges

Fs Route 752 over ST Joe River

Fair

Shoshone County, Idaho · Prospector CR · Structure no. 010402000000109

Built
1969
56 years old, rebuilt 1997
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Fs Route 752 over ST Joe River is a prestressed concrete stringer/multi-beam or girder carrying Fs Route 752 over ST Joe River in Shoshone County, Idaho. It was built in 1969 and reconstructed in 1997, so it is 56 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 112 ft (34.1 m) long and 29 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesFs Route 752
CrossesST Joe River
LocationProspector CR
RouteFederal Lands Road 752
StateIdaho
Coordinates47.22485, -115.60719
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating55.3 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 25 or greater
Structure length112 ft (34.1 m)
Longest span69 ft (20.9 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fs Route 752 over ST Joe River built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1997.

What condition is Fs Route 752 over ST Joe 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 September 2024.

How much traffic does Fs Route 752 over ST Joe River carry?

About 50 vehicles per day (latest count).

How long is Fs Route 752 over ST Joe River?

The structure is 112 ft (34.1 m) long with a longest span of 69 ft (20.9 m) and a deck 29 ft wide.

Who owns Fs Route 752 over ST Joe River?

It is owned by the U.S. Forest Service.