US Bridges

Fdr over Warm Springs Creek

Fair

Blaine County, Idaho · 11 Miles West of Ketchum · Structure no. 041403000011558

Built
1991
34 years old
Condition
Fair
inspected September 2024
Type
Truss - Thru
Steel
Length
82 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Fdr over Warm Springs Creek is a steel truss - thru carrying Fdr over Warm Springs Creek in Blaine 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 5 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 82 ft (24.9 m) long and 21 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesFdr
CrossesWarm Springs Creek
Location11 Miles West of Ketchum
RouteFederal Lands Road 70227
StateIdaho
Coordinates43.64097, -114.48872
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation*: *
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating—
Inventory rating—

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length82 ft (24.9 m)
Longest span81 ft (24.7 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.8 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 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 Fdr over Warm Springs Creek built?

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

What condition is Fdr over Warm Springs Creek 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 Warm Springs Creek carry?

About 50 vehicles per day (latest count).

How long is Fdr over Warm Springs Creek?

The structure is 82 ft (24.9 m) long with a longest span of 81 ft (24.7 m) and a deck 21 ft wide.

Who owns Fdr over Warm Springs Creek?

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