US Bridges

U.S. Highway 395 over South Fork Pit River

Fair

Modoc County, California · 02-MOD-395-R16.52 · Structure no. 03 0052

Built
1971
54 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
170 ft
6 main spans
Daily traffic
2,400
2015 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 395 over South Fork Pit River is a concrete continuous slab carrying U.S. Highway 395 over South Fork Pit River in Modoc County, California. It was built in 1971, so it is 54 years old, younger 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 2,400 vehicles a day, roughly 22% of them trucks, projected to reach 3,051 by 2040. The structure is 170 ft (51.8 m) long and 42 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesU.S. Highway 395
CrossesSouth Fork Pit River
Location02-MOD-395-R16.52
RouteU.S. Route 395
Coordinates41.41586, -120.54453
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 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 alignment8: Equal to present desirable criteria
Operating rating81.8 US tons
Inventory rating49.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span28 ft (8.5 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2015)
Projected traffic3,051 by 2040
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 South Fork Pit River built?

It was built in 1971, making it 54 years old in 2025.

What condition is U.S. Highway 395 over South Fork Pit 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 August 2023.

How much traffic does U.S. Highway 395 over South Fork Pit River carry?

About 2,400 vehicles per day (2015 count), of which roughly 22% are trucks.

How long is U.S. Highway 395 over South Fork Pit River?

The structure is 170 ft (51.8 m) long with a longest span of 28 ft (8.5 m) and a deck 42 ft wide.

Who owns U.S. Highway 395 over South Fork Pit River?

It is owned by the State Highway Agency.