US Bridges

US 95 Spur over Snake River; Weiser Br

Good

Washington County, Idaho · In Weiser · Structure no. 000000000013811

Built
2010
15 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
876 ft
6 main spans
Daily traffic
3,800
2023 count
Owner
State
State Highway Agency

About this bridge

US 95 Spur over Snake River; Weiser Br is a prestressed concrete stringer/multi-beam or girder carrying US 95 Spur over Snake River; Weiser Br in Washington County, Idaho. It was built in 2010, so it is 15 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,800 vehicles a day, roughly 3% of them trucks, projected to reach 5,700 by 2042. The structure is 876 ft (267 m) long and 46 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesUS 95 Spur
CrossesSnake River; Weiser Br
LocationIn Weiser
RouteU.S. Route 95
CountyWashington County
StateIdaho
Coordinates44.24333, -116.98253
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating99.9 US tons
Inventory rating53 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length876 ft (267 m)
Longest span143 ft (43.7 m)
Deck width46 ft (14.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2023)
Projected traffic5,700 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed21.7 mi (35 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 95 Spur over Snake River; Weiser Br built?

It was built in 2010, making it 15 years old in 2025.

What condition is US 95 Spur over Snake River; Weiser Br in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does US 95 Spur over Snake River; Weiser Br carry?

About 3,800 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US 95 Spur over Snake River; Weiser Br?

The structure is 876 ft (267 m) long with a longest span of 143 ft (43.7 m) and a deck 46 ft wide.

Who owns US 95 Spur over Snake River; Weiser Br?

It is owned by the State Highway Agency.