US Bridges

I 80 over Marys River Overflow

Good

Elko County, Nevada · East of Elko · Structure no. B1143E

Built
1965
60 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
4,125
2021 count
Owner
State
State Highway Agency

About this bridge

I 80 over Marys River Overflow is a concrete culvert carrying I 80 over Marys River Overflow in Elko County, Nevada. It was built in 1965, so it is 60 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 4,125 vehicles a day, roughly 35% of them trucks, projected to reach 4,088 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 80
CrossesMarys River Overflow
LocationEast of Elko
RouteInterstate 80
StateNevada
Coordinates41.08601, -115.25802
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating64.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,125 (2021)
Projected traffic4,088 by 2040
Trucks35%
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 80 over Marys River Overflow built?

It was built in 1965, making it 60 years old in 2025.

What condition is I 80 over Marys River Overflow 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 August 2024.

How much traffic does I 80 over Marys River Overflow carry?

About 4,125 vehicles per day (2021 count), of which roughly 35% are trucks.

How long is I 80 over Marys River Overflow?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns I 80 over Marys River Overflow?

It is owned by the State Highway Agency.