US Bridges

US 95 over Payette River

Fair

Payette County, Idaho · 1.8 S. Payette Scl · Structure no. 000000000018110

Built
1968
57 years old, rebuilt 2012
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
484 ft
6 main spans
Daily traffic
19,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 95 over Payette River is a prestressed concrete stringer/multi-beam or girder carrying US 95 over Payette River in Payette County, Idaho. It was built in 1968 and reconstructed in 2012, so it is 57 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 19,500 vehicles a day, roughly 8% of them trucks, projected to reach 29,250 by 2042. The structure is 484 ft (147.5 m) long and 84 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 95
CrossesPayette River
Location1.8 S. Payette Scl
RouteU.S. Route 95
StateIdaho
Coordinates44.0415, -116.92636
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length484 ft (147.5 m)
Longest span79 ft (24 m)
Deck width84 ft (25.6 m)
Roadway width81 ft (24.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,500 (2023)
Projected traffic29,250 by 2042
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 95 over Payette River built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2012.

What condition is US 95 over Payette 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 September 2024.

How much traffic does US 95 over Payette River carry?

About 19,500 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 95 over Payette River?

The structure is 484 ft (147.5 m) long with a longest span of 79 ft (24 m) and a deck 84 ft wide.

Who owns US 95 over Payette River?

It is owned by the State Highway Agency.