US Bridges

US 95 over Nprr;clearwater River

Fair

Nez Perce County, Idaho · 4 N. Lapwai · Structure no. 000000000018465

Built
1962
63 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
1,230 ft
11 main spans
Daily traffic
6,400
2023 count
Owner
State
State Highway Agency

About this bridge

US 95 over Nprr;clearwater River is a steel stringer/multi-beam or girder carrying US 95 over Nprr;clearwater River in Nez Perce County, Idaho. It was built in 1962, so it is 63 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 5 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 6,400 vehicles a day, roughly 33% of them trucks, projected to reach 9,600 by 2042. The structure is 1,230 ft (374.9 m) long and 33 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesUS 95
CrossesNprr;clearwater River
Location4 N. Lapwai
RouteU.S. Route 95
CountyNez Perce County
StateIdaho
Coordinates46.44251, -116.8427
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length1,230 ft (374.9 m)
Longest span120 ft (36.6 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2023)
Projected traffic9,600 by 2042
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed14.9 mi (24 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$12.2 million (2023 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 95 over Nprr;clearwater River built?

It was built in 1962, making it 63 years old in 2025.

What condition is US 95 over Nprr;clearwater 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 October 2023.

How much traffic does US 95 over Nprr;clearwater River carry?

About 6,400 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is US 95 over Nprr;clearwater River?

The structure is 1,230 ft (374.9 m) long with a longest span of 120 ft (36.6 m) and a deck 33 ft wide.

Who owns US 95 over Nprr;clearwater River?

It is owned by the State Highway Agency.