US Bridges

SR278 Eureka-Carln over Garden Pass Crk

Fair

Eureka County, Nevada · North of Eureka · Structure no. B 479

Built
1946
79 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
770
2021 count
Owner
State
State Highway Agency

About this bridge

SR278 Eureka-Carln over Garden Pass Crk is a concrete culvert carrying SR278 Eureka-Carln over Garden Pass Crk in Eureka County, Nevada. It was built in 1946, so it is 79 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 770 vehicles a day, roughly 16% of them trucks, projected to reach 718 by 2040. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 77.1 mi (124 km).

CarriesSR278 Eureka-Carln
CrossesGarden Pass Crk
LocationNorth of Eureka
RouteState Highway 278
StateNevada
Coordinates39.77912, -116.10665
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 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 alignment7: Better than present minimum criteria
Operating rating91.3 US tons
Inventory rating54.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 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 traffic770 (2021)
Projected traffic718 by 2040
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed77.1 mi (124 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$124,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR278 Eureka-Carln over Garden Pass Crk built?

It was built in 1946, making it 79 years old in 2025.

What condition is SR278 Eureka-Carln over Garden Pass 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 August 2023.

How much traffic does SR278 Eureka-Carln over Garden Pass Crk carry?

About 770 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is SR278 Eureka-Carln over Garden Pass Crk?

The structure is 25 ft (7.6 m) long with a longest span of 11 ft (3.4 m).

Who owns SR278 Eureka-Carln over Garden Pass Crk?

It is owned by the State Highway Agency.