US Bridges

I 80E Off-Ramp over Harmony Wash

Fair

Humboldt County, Nevada · East of Winnemucca · Structure no. B1653

Built
1979
46 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
500
2021 count
Owner
State
State Highway Agency

About this bridge

I 80E Off-Ramp over Harmony Wash is a concrete culvert carrying I 80E Off-Ramp over Harmony Wash in Humboldt County, Nevada. It was built in 1979, so it is 46 years old, older than the Nevada average of 36.4 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 500 vehicles a day, roughly 7% of them trucks, projected to reach 243 by 2040. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 80E Off-Ramp
CrossesHarmony Wash
LocationEast of Winnemucca
RouteInterstate 80
CountyHumboldt County
StateNevada
Coordinates40.98626, -117.69634
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating25.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2021)
Projected traffic243 by 2040
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 80E Off-Ramp over Harmony Wash built?

It was built in 1979, making it 46 years old in 2025.

What condition is I 80E Off-Ramp over Harmony Wash 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 July 2023.

How much traffic does I 80E Off-Ramp over Harmony Wash carry?

About 500 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I 80E Off-Ramp over Harmony Wash?

The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.4 m).

Who owns I 80E Off-Ramp over Harmony Wash?

It is owned by the State Highway Agency.