US Bridges

SR 278 Chestnut ST over Marys Crk

Fair

Elko County, Nevada · West of Carlin · Structure no. B1260

Built
1968
57 years old
Condition
Fair
inspected July 2021
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
990
2021 count
Owner
State
State Highway Agency

About this bridge

SR 278 Chestnut ST over Marys Crk is a concrete culvert carrying SR 278 Chestnut ST over Marys Crk in Elko County, Nevada. It was built in 1968, so it is 57 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 990 vehicles a day, roughly 11% of them trucks, projected to reach 718 by 2040. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 13.7 mi (22 km).

Location

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CarriesSR 278 Chestnut ST
CrossesMarys Crk
LocationWest of Carlin
RouteState Highway 278
CountyElko County
StateNevada
Coordinates40.71757, -116.1327
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating93.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic990 (2021)
Projected traffic718 by 2040
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13.7 mi (22 km)
TollOn a free road
National Highway SystemNo

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 SR 278 Chestnut ST over Marys Crk built?

It was built in 1968, making it 57 years old in 2025.

What condition is SR 278 Chestnut ST over Marys Crk 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 2021.

How much traffic does SR 278 Chestnut ST over Marys Crk carry?

About 990 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is SR 278 Chestnut ST over Marys Crk?

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

Who owns SR 278 Chestnut ST over Marys Crk?

It is owned by the State Highway Agency.