US Bridges

I 80E over Rock Crk

Good

Humboldt County, Nevada · Near Golconda · Structure no. B 817E

Built
1960
65 years old
Condition
Good
inspected July 2021
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
4,475
2021 count
Owner
State
State Highway Agency

About this bridge

I 80E over Rock Crk is a concrete culvert carrying I 80E over Rock Crk in Humboldt County, Nevada. It was built in 1960, so it is 65 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 4,475 vehicles a day, roughly 36% of them trucks, projected to reach 4,199 by 2040. The structure is 26 ft (7.9 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 80E
CrossesRock Crk
LocationNear Golconda
RouteInterstate 80
StateNevada
Coordinates40.93633, -117.45805
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating43.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,475 (2021)
Projected traffic4,199 by 2040
Trucks36%
Lanes on structure2
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 over Rock Crk built?

It was built in 1960, making it 65 years old in 2025.

What condition is I 80E over Rock Crk 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 2021.

How much traffic does I 80E over Rock Crk carry?

About 4,475 vehicles per day (2021 count), of which roughly 36% are trucks.

How long is I 80E over Rock Crk?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 42 ft wide.

Who owns I 80E over Rock Crk?

It is owned by the State Highway Agency.