US Bridges

U.S. Highway 395 over Little Walker River

Good

Mono County, California · 09-MNO-395-95.40 · Structure no. 47 0038

Built
1987
38 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
6,950
2019 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 395 over Little Walker River is a concrete culvert carrying U.S. Highway 395 over Little Walker River in Mono County, California. It was built in 1987, so it is 38 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,950 vehicles a day, roughly 11% of them trucks, projected to reach 7,600 by 2040. The structure is 27 ft (8.2 m) long and 30 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesU.S. Highway 395
CrossesLittle Walker River
Location09-MNO-395-95.40
RouteU.S. Route 395
Coordinates38.371, -119.4453
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span9 ft (2.8 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,950 (2019)
Projected traffic7,600 by 2040
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemYes

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 U.S. Highway 395 over Little Walker River built?

It was built in 1987, making it 38 years old in 2025.

What condition is U.S. Highway 395 over Little Walker River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does U.S. Highway 395 over Little Walker River carry?

About 6,950 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is U.S. Highway 395 over Little Walker River?

The structure is 27 ft (8.2 m) long with a longest span of 9 ft (2.8 m) and a deck 30 ft wide.

Who owns U.S. Highway 395 over Little Walker River?

It is owned by the State Highway Agency.