US Bridges

Fdr over Willow Creek

Good

Elmore County, Idaho · 2 Miles East Shake CR G S · Structure no. 041405000035599

Built
1955
70 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Steel
Length
60 ft
1 main span
Daily traffic
50
2023 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr over Willow Creek is a steel box beam or girders - multiple carrying Fdr over Willow Creek in Elmore County, Idaho. It was built in 1955, so it is 70 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 60 ft (18.3 m) long and 26 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFdr
CrossesWillow Creek
Location2 Miles East Shake CR G S
RouteFederal Lands Road 70227
StateIdaho
Coordinates43.60543, -115.14434
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation*: *
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating—
Inventory rating—

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic75 by 2045
Trucks—
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 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 Willow Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Fdr over Willow Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Fdr over Willow Creek carry?

About 50 vehicles per day (2023 count).

How long is Fdr over Willow Creek?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.

Who owns Fdr over Willow Creek?

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