US Bridges

US 95 over Little Salmon River

Fair

Idaho County, Idaho · 10.8 N. New Meadows Ncl · Structure no. 000000000018260

Built
1975
50 years old
Condition
Fair
inspected May 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
168 ft
1 main span
Daily traffic
3,100
2023 count
Owner
State
State Highway Agency

About this bridge

US 95 over Little Salmon River is a steel stringer/multi-beam or girder carrying US 95 over Little Salmon River in Idaho County, Idaho. It was built in 1975, so it is 50 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.

It carries about 3,100 vehicles a day, roughly 16% of them trucks, projected to reach 4,650 by 2042. The structure is 168 ft (51.2 m) long and 40 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesUS 95
CrossesLittle Salmon River
Location10.8 N. New Meadows Ncl
RouteU.S. Route 95
CountyIdaho County
StateIdaho
Coordinates45.12349, -116.29688
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length168 ft (51.2 m)
Longest span160 ft (48.8 m)
Deck width40 ft (12.1 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2023)
Projected traffic4,650 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 95 over Little Salmon River built?

It was built in 1975, making it 50 years old in 2025.

What condition is US 95 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 May 2022.

How much traffic does US 95 over Little Salmon River carry?

About 3,100 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US 95 over Little Salmon River?

The structure is 168 ft (51.2 m) long with a longest span of 160 ft (48.8 m) and a deck 40 ft wide.

Who owns US 95 over Little Salmon River?

It is owned by the State Highway Agency.