US Bridges

Carr Road over Little Salmon River

Fair

Adams County, Idaho · 2.0 S. 1.2 W. New Meadow · Structure no. 000000000026622

Built
2000
25 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
10
2023 count
Owner
County
County Highway Agency

About this bridge

Carr Road over Little Salmon River is a steel stringer/multi-beam or girder carrying Carr Road over Little Salmon River in Adams County, Idaho. It was built in 2000, so it is 25 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.

It carries about 10 vehicles a day, roughly 5% of them trucks, projected to reach 15 by 2039. The structure is 34 ft (10.4 m) long and 18 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCarr Road
CrossesLittle Salmon River
Location2.0 S. 1.2 W. New Meadow
RouteCounty Highway 0
CountyAdams County
StateIdaho
Coordinates44.94122, -116.30333
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.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.9 US tons
Inventory rating73 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span33 ft (10.1 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic15 by 2039
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$389,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Carr Road over Little Salmon River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Carr Road over Little 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 August 2024.

How much traffic does Carr Road over Little Salmon River carry?

About 10 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Carr Road over Little Salmon River?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10.1 m) and a deck 18 ft wide.

Who owns Carr Road over Little Salmon River?

It is owned by the County Highway Agency.