US Bridges

U.S. Highway 395 over North Fork Pit River

Fair

Modoc County, California · 02-MOD-395-21.88-ALT · Structure no. 03 0023

Built
1971
54 years old
Condition
Fair
inspected April 2023
Type
Slab
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
2,000
2015 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 395 over North Fork Pit River is a prestressed concrete slab carrying U.S. Highway 395 over North 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 2,000 vehicles a day, roughly 40% of them trucks, projected to reach 2,440 by 2040. The structure is 62 ft (18.9 m) long and 76 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesU.S. Highway 395
CrossesNorth Fork Pit River
Location02-MOD-395-21.88-ALT
RouteU.S. Route 395
Coordinates41.48132, -120.54229
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating48.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length62 ft (18.9 m)
Longest span60 ft (18.4 m)
Deck width76 ft (23.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2015)
Projected traffic2,440 by 2040
Trucks40%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. Highway 395 over North Fork Pit River built?

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

What condition is U.S. Highway 395 over North 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 April 2023.

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

About 2,000 vehicles per day (2015 count), of which roughly 40% are trucks.

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

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.4 m) and a deck 76 ft wide.

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

It is owned by the State Highway Agency.