US Bridges

No Data Entered over Silver Creek

Good

Lemhi County, Idaho · 26 Miles Nnw of Challis · Structure no. 041301000001195

Built
1994
31 years old, rebuilt 2010
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
37 ft
1 main span
Daily traffic
5
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over Silver Creek is a wood or timber stringer/multi-beam or girder carrying No Data Entered over Silver Creek in Lemhi County, Idaho. It was built in 1994 and reconstructed in 2010, so it is 31 years old, younger 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5 vehicles a day, projected to reach 7 by 2045. The structure is 37 ft (11.2 m) long and 15 ft wide.

CarriesNo Data Entered
CrossesSilver Creek
Location26 Miles Nnw of Challis
RouteFederal Lands Road 60259
StateIdaho
Coordinates44.82907, -114.5005
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating30.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length37 ft (11.2 m)
Longest span34 ft (10.3 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (—)
Projected traffic7 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 No Data Entered over Silver Creek built?

It was built in 1994, making it 31 years old in 2025. It was reconstructed in 2010.

What condition is No Data Entered over Silver 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 No Data Entered over Silver Creek carry?

About 5 vehicles per day (latest count).

How long is No Data Entered over Silver Creek?

The structure is 37 ft (11.2 m) long with a longest span of 34 ft (10.3 m) and a deck 15 ft wide.

Who owns No Data Entered over Silver Creek?

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