US Bridges

US 95 over Wildlife Underpass

Fair

Boundary County, Idaho · 16.1 S. Eastport · Structure no. 000000000018772

Built
2004
21 years old
Condition
Fair
inspected August 2023
Type
Frame
Concrete
Length
23 ft
1 main span
Daily traffic
1,100
2023 count
Owner
State
State Highway Agency

About this bridge

US 95 over Wildlife Underpass is a concrete frame carrying US 95 over Wildlife Underpass in Boundary County, Idaho. It was built in 2004, so it is 21 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 1,100 vehicles a day, roughly 47% of them trucks, projected to reach 1,650 by 2042. The structure is 23 ft (7 m) long and 129 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesUS 95
CrossesWildlife Underpass
Location16.1 S. Eastport
RouteU.S. Route 95
StateIdaho
Coordinates48.88758, -116.34683
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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width129 ft (39.4 m)
Roadway width127 ft (38.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2023)
Projected traffic1,650 by 2042
Trucks47%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed19.3 mi (31 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 95 over Wildlife Underpass built?

It was built in 2004, making it 21 years old in 2025.

What condition is US 95 over Wildlife Underpass 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 2023.

How much traffic does US 95 over Wildlife Underpass carry?

About 1,100 vehicles per day (2023 count), of which roughly 47% are trucks.

How long is US 95 over Wildlife Underpass?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 129 ft wide.

Who owns US 95 over Wildlife Underpass?

It is owned by the State Highway Agency.