US Bridges

US 95 over Weiser River

Fair

Washington County, Idaho · In Weiser Scl · Structure no. 000000000018126

Built
2013
12 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
347 ft
3 main spans
Daily traffic
7,700
2023 count
Owner
State
State Highway Agency

About this bridge

US 95 over Weiser River is a steel continuous stringer/multi-beam or girder carrying US 95 over Weiser River in Washington County, Idaho. It was built in 2013, so it is 12 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 7,700 vehicles a day, roughly 7% of them trucks, projected to reach 11,550 by 2042. The structure is 347 ft (105.8 m) long and 55 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUS 95
CrossesWeiser River
LocationIn Weiser Scl
RouteU.S. Route 95
StateIdaho
Coordinates44.24231, -116.95814
Functional classUrban Other Principal Arterial

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 inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating67.5 US tons
Inventory rating52.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length347 ft (105.8 m)
Longest span150 ft (45.7 m)
Deck width55 ft (16.9 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,700 (2023)
Projected traffic11,550 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.8 mi (19 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 Weiser River built?

It was built in 2013, making it 12 years old in 2025.

What condition is US 95 over Weiser 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 Weiser River carry?

About 7,700 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 95 over Weiser River?

The structure is 347 ft (105.8 m) long with a longest span of 150 ft (45.7 m) and a deck 55 ft wide.

Who owns US 95 over Weiser River?

It is owned by the State Highway Agency.