US Bridges

US 95 over I 80

Good

Humboldt County, Nevada · Winnemucca · Structure no. I 868

Built
1976
49 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
443 ft
4 main spans
Daily traffic
7,050
2021 count
Owner
State
State Highway Agency

About this bridge

US 95 over I 80 is a steel continuous stringer/multi-beam or girder carrying US 95 over I 80 in Humboldt County, Nevada. It was built in 1976, so it is 49 years old, older than the Nevada average of 36.4 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 7,050 vehicles a day, roughly 10% of them trucks, projected to reach 9,950 by 2040. The structure is 443 ft (135.1 m) long and 90 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 95
CrossesI 80
LocationWinnemucca
RouteU.S. Route 95
StateNevada
Coordinates40.95445, -117.752
Functional classRural Principal Arterial - Other

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.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.6 US tons
Inventory rating43.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length443 ft (135.1 m)
Longest span150 ft (45.7 m)
Deck width90 ft (27.4 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,050 (2021)
Projected traffic9,950 by 2040
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 95 over I 80 built?

It was built in 1976, making it 49 years old in 2025.

What condition is US 95 over I 80 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 July 2023.

How much traffic does US 95 over I 80 carry?

About 7,050 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is US 95 over I 80?

The structure is 443 ft (135.1 m) long with a longest span of 150 ft (45.7 m) and a deck 90 ft wide.

Who owns US 95 over I 80?

It is owned by the State Highway Agency.