US Bridges

SR208 Topaz RD over East Walker Rvr

Fair

Lyon County, Nevada · South of Yerington · Structure no. B 144

Built
1930
95 years old, rebuilt 1958
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete Continuous
Length
64 ft
2 main spans
Daily traffic
390
2017 count
Owner
State
State Highway Agency

About this bridge

SR208 Topaz RD over East Walker Rvr is a concrete continuous tee beam carrying SR208 Topaz RD over East Walker Rvr in Lyon County, Nevada. It was built in 1930 and reconstructed in 1958, so it is 95 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 390 vehicles a day, roughly 6% of them trucks, projected to reach 400 by 2040. The structure is 64 ft (19.5 m) long and 30 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesSR208 Topaz RD
CrossesEast Walker Rvr
LocationSouth of Yerington
RouteState Highway 208
CountyLyon County
StateNevada
Coordinates38.87748, -119.14466
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating80.1 US tons
Inventory rating47.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length64 ft (19.5 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2017)
Projected traffic400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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$329,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR208 Topaz RD over East Walker Rvr built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1958.

What condition is SR208 Topaz RD over East Walker Rvr 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 SR208 Topaz RD over East Walker Rvr carry?

About 390 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is SR208 Topaz RD over East Walker Rvr?

The structure is 64 ft (19.5 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns SR208 Topaz RD over East Walker Rvr?

It is owned by the State Highway Agency.