US Bridges

Carmen Creek Road over Carmen Creek

FairPosted for load

Lemhi County, Idaho · No Data Entered · Structure no. 041302000001091

Built
1961
64 years old, rebuilt 1995
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
22 ft
1 main span
Daily traffic
10
2016 count
Owner
Federal
U.S. Forest Service

About this bridge

Carmen Creek Road over Carmen Creek is a wood or timber stringer/multi-beam or girder carrying Carmen Creek Road over Carmen Creek in Lemhi County, Idaho. It was built in 1961 and reconstructed in 1995, so it is 64 years old, older 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 10 vehicles a day, projected to reach 15 by 2045. The structure is 22 ft (6.7 m) long and 16 ft wide.

CarriesCarmen Creek Road
CrossesCarmen Creek
LocationNo Data Entered
RouteCounty Highway 60069
StateIdaho
Coordinates45.31389, -113.80291
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating14.3 US tons
Inventory rating11 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length22 ft (6.7 m)
Longest span21 ft (6.5 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2016)
Projected traffic15 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 Carmen Creek Road over Carmen Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1995.

What condition is Carmen Creek Road over Carmen 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 October 2023.

How much traffic does Carmen Creek Road over Carmen Creek carry?

About 10 vehicles per day (2016 count).

How long is Carmen Creek Road over Carmen Creek?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.5 m) and a deck 16 ft wide.

Who owns Carmen Creek Road over Carmen Creek?

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