US Bridges

U.S. Highway 395 over Long Valley RD

Good

Sierra County, California · 03-SIE-395-R2.19R · Structure no. 13 0018R

Built
1976
49 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
71 ft
1 main span
Daily traffic
2,300
2009 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 395 over Long Valley RD is a concrete box beam or girders - multiple carrying U.S. Highway 395 over Long Valley RD in Sierra County, California. It was built in 1976, so it is 49 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 2,300 vehicles a day, roughly 7% of them trucks, projected to reach 7,422 by 2040. The structure is 71 ft (21.5 m) long and 42 ft wide. If it were closed, the detour would be 65.2 mi (105 km).

CarriesU.S. Highway 395
CrossesLong Valley RD
Location03-SIE-395-R2.19R
RouteU.S. Route 395
Coordinates39.69769, -120.02742
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length71 ft (21.5 m)
Longest span68 ft (20.7 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2009)
Projected traffic7,422 by 2040
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed65.2 mi (105 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. Highway 395 over Long Valley RD built?

It was built in 1976, making it 49 years old in 2025.

What condition is U.S. Highway 395 over Long Valley RD 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 May 2023.

How much traffic does U.S. Highway 395 over Long Valley RD carry?

About 2,300 vehicles per day (2009 count), of which roughly 7% are trucks.

How long is U.S. Highway 395 over Long Valley RD?

The structure is 71 ft (21.5 m) long with a longest span of 68 ft (20.7 m) and a deck 42 ft wide.

Who owns U.S. Highway 395 over Long Valley RD?

It is owned by the State Highway Agency.