US Bridges

U.S. Highway 395 over North Fork Pit River

Fair

Modoc County, California · 02-MOD-395-26.23 · Structure no. 03 0009

Built
1982
43 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
137 ft
5 main spans
Daily traffic
4,000
2015 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 395 over North Fork Pit River is a concrete continuous slab carrying U.S. Highway 395 over North Fork Pit River in Modoc County, California. It was built in 1982, so it is 43 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 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 4,000 vehicles a day, roughly 13% of them trucks, projected to reach 6,304 by 2040. The structure is 137 ft (41.8 m) long and 44 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-395-26.23
RouteU.S. Route 395
Coordinates41.51587, -120.48263
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.2 US tons
Inventory rating62.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length137 ft (41.8 m)
Longest span30 ft (9.1 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2015)
Projected traffic6,304 by 2040
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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—
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1982, making it 43 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 August 2023.

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

About 4,000 vehicles per day (2015 count), of which roughly 13% are trucks.

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

The structure is 137 ft (41.8 m) long with a longest span of 30 ft (9.1 m) and a deck 44 ft wide.

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

It is owned by the State Highway Agency.