US Bridges

Eastside Lane over West Walker River

Fair

Mono County, California · 0.1 MI N RTE 395 JCT · Structure no. 47C0011

Built
1952
73 years old, rebuilt 1978
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
114 ft
3 main spans
Daily traffic
826
2019 count
Owner
County
County Highway Agency

About this bridge

Eastside Lane over West Walker River is a concrete continuous box beam or girders - multiple carrying Eastside Lane over West Walker River in Mono County, California. It was built in 1952 and reconstructed in 1978, so it is 73 years old, older than the California average of 54.8 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 826 vehicles a day, roughly 1% of them trucks, projected to reach 1,165 by 2042. The structure is 114 ft (34.7 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesEastside Lane
CrossesWest Walker River
Location0.1 MI N RTE 395 JCT
RouteCounty Highway 0
Coordinates38.51612, -119.45749
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating84.7 US tons
Inventory rating65.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span59 ft (18 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic826 (2019)
Projected traffic1,165 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Eastside Lane over West Walker River built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1978.

What condition is Eastside Lane 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 September 2024.

How much traffic does Eastside Lane over West Walker River carry?

About 826 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Eastside Lane over West Walker River?

The structure is 114 ft (34.7 m) long with a longest span of 59 ft (18 m) and a deck 31 ft wide.

Who owns Eastside Lane over West Walker River?

It is owned by the County Highway Agency.