US Bridges

Fdr over East Fork Salmon River

FairPosted for load

Custer County, Idaho · Bowery Guard Station · Structure no. 041403000001049

Built
1991
34 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Fdr over East Fork Salmon River is a steel stringer/multi-beam or girder carrying Fdr over East Fork Salmon River in Custer County, Idaho. It was built in 1991, so it is 34 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 48 ft (14.5 m) long and 15 ft wide.

CarriesFdr
CrossesEast Fork Salmon River
LocationBowery Guard Station
RouteFederal Lands Road 70196
StateIdaho
Coordinates43.97649, -114.49839
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation*: *
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating—
Inventory rating—

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length48 ft (14.5 m)
Longest span45 ft (13.6 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

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 closed—
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 Fdr over East Fork Salmon River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Fdr over East Fork Salmon 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 Fdr over East Fork Salmon River carry?

About 50 vehicles per day (latest count).

How long is Fdr over East Fork Salmon River?

The structure is 48 ft (14.5 m) long with a longest span of 45 ft (13.6 m) and a deck 15 ft wide.

Who owns Fdr over East Fork Salmon River?

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