US Bridges

Fs Route 225 over ST Joe River

PoorPosted for load

Shoshone County, Idaho · At Stanley Ranch · Structure no. 010402000000212

Built
1934
91 years old
Condition
Poor
inspected June 2024
Type
Truss - Thru
Steel
Length
174 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Fs Route 225 over ST Joe River is a steel truss - thru carrying Fs Route 225 over ST Joe River in Shoshone County, Idaho. It was built in 1934, so it is 91 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 174 ft (53 m) long and 13 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesFs Route 225
CrossesST Joe River
LocationAt Stanley Ranch
RouteFederal Lands Road 225
StateIdaho
Coordinates47.25251, -115.91648
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.2 US tons
Inventory rating16.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+1 approach)
Design loadHS 20
Structure length174 ft (53 m)
Longest span150 ft (45.7 m)
Deck width13 ft (4.1 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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 225 over ST Joe River built?

It was built in 1934, making it 91 years old in 2025.

What condition is Fs Route 225 over ST Joe River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Fs Route 225 over ST Joe River carry?

About 50 vehicles per day (latest count).

How long is Fs Route 225 over ST Joe River?

The structure is 174 ft (53 m) long with a longest span of 150 ft (45.7 m) and a deck 13 ft wide.

Who owns Fs Route 225 over ST Joe River?

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