US Bridges

SR 208/TOPAZ RD over West Walker River

Fair

Lyon County, Nevada · Wellington · Structure no. B 158

Built
1934
91 years old, rebuilt 1989
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
63 ft
1 main span
Daily traffic
2,100
2017 count
Owner
State
State Highway Agency

About this bridge

SR 208/TOPAZ RD over West Walker River is a concrete tee beam carrying SR 208/TOPAZ RD over West Walker River in Lyon County, Nevada. It was built in 1934 and reconstructed in 1989, so it is 91 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 2,100 vehicles a day, roughly 11% of them trucks, projected to reach 5,212 by 2040. The structure is 63 ft (19.2 m) long and 41 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

Open in Google Maps
CarriesSR 208/TOPAZ RD
CrossesWest Walker River
LocationWellington
RouteState Highway 208
CountyLyon County
StateNevada
Coordinates38.76, -119.38216
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: 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 rating73.6 US tons
Inventory rating43.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span60 ft (18.3 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deck26 ft (8 m)

Traffic and service

Average daily traffic2,100 (2017)
Projected traffic5,212 by 2040
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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 208/TOPAZ RD over West Walker River built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1989.

What condition is SR 208/TOPAZ RD over West Walker River 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 April 2023.

How much traffic does SR 208/TOPAZ RD over West Walker River carry?

About 2,100 vehicles per day (2017 count), of which roughly 11% are trucks.

How long is SR 208/TOPAZ RD over West Walker River?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 41 ft wide.

Who owns SR 208/TOPAZ RD over West Walker River?

It is owned by the State Highway Agency.