US Bridges

U.S. Highway 395 over South Fork Pit River

Fair

Modoc County, California · 02-MOD-395-3.73 · Structure no. 03 0019

Built
1947
78 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
92 ft
4 main spans
Daily traffic
2,000
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 1947, so it is 78 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 5 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 2,000 vehicles a day, roughly 34% of them trucks, projected to reach 3,762 by 2040. The structure is 92 ft (28 m) long and 32 ft wide. If it were closed, the detour would be 75.8 mi (122 km).

CarriesU.S. Highway 395
CrossesSouth Fork Pit River
Location02-MOD-395-3.73
RouteU.S. Route 395
Coordinates41.2381, -120.50405
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating24.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length92 ft (28 m)
Longest span26 ft (7.9 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2015)
Projected traffic3,762 by 2040
Trucks34%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed75.8 mi (122 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 1947, making it 78 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 2,000 vehicles per day (2015 count), of which roughly 34% are trucks.

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

The structure is 92 ft (28 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.

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

It is owned by the State Highway Agency.