US Bridges

US 95 Ramp Nbl over US 95R Sbl;lewiston Ic

Fair

Nez Perce County, Idaho · At Lewiston Ncl · Structure no. 000000000010520

Built
1977
48 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
380 ft
3 main spans
Daily traffic
4,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 95 Ramp Nbl over US 95R Sbl;lewiston Ic is a concrete continuous box beam or girders - single or spread carrying US 95 Ramp Nbl over US 95R Sbl;lewiston Ic in Nez Perce County, Idaho. It was built in 1977, so it is 48 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 4,500 vehicles a day, projected to reach 6,750 by 2042. The structure is 380 ft (115.8 m) long and 42 ft wide.

Location

Open in Google Maps
CarriesUS 95 Ramp Nbl
CrossesUS 95R Sbl;lewiston Ic
LocationAt Lewiston Ncl
RouteU.S. Route 95
CountyNez Perce County
StateIdaho
Coordinates46.43002, -116.9947
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.
Last inspectionFebruary 2024
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 rating78 US tons
Inventory rating57 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length380 ft (115.8 m)
Longest span142 ft (43.3 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2023)
Projected traffic6,750 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed—
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 Ramp Nbl over US 95R Sbl;lewiston Ic built?

It was built in 1977, making it 48 years old in 2025.

What condition is US 95 Ramp Nbl over US 95R Sbl;lewiston Ic 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 February 2024.

How much traffic does US 95 Ramp Nbl over US 95R Sbl;lewiston Ic carry?

About 4,500 vehicles per day (2023 count).

How long is US 95 Ramp Nbl over US 95R Sbl;lewiston Ic?

The structure is 380 ft (115.8 m) long with a longest span of 142 ft (43.3 m) and a deck 42 ft wide.

Who owns US 95 Ramp Nbl over US 95R Sbl;lewiston Ic?

It is owned by the State Highway Agency.