US Bridges

U.S. Highway 395 over Parker Creek

Fair

Modoc County, California · 02-MOD-395-26.71 · Structure no. 03 0010

Built
1954
71 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
35 ft
3 main spans
Daily traffic
4,000
2015 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 395 over Parker Creek is a concrete continuous slab carrying U.S. Highway 395 over Parker Creek in Modoc County, California. It was built in 1954, so it is 71 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 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 4,000 vehicles a day, roughly 13% of them trucks, projected to reach 6,304 by 2040. The structure is 35 ft (10.7 m) long and 45 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesU.S. Highway 395
CrossesParker Creek
Location02-MOD-395-26.71
RouteU.S. Route 395
Coordinates41.52147, -120.47683
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 protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating30.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span11 ft (3.5 m)
Deck width45 ft (13.7 m)
Roadway width41 ft (12.5 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 closed14.9 mi (24 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 Parker Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is U.S. Highway 395 over Parker Creek 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 Parker Creek carry?

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

How long is U.S. Highway 395 over Parker Creek?

The structure is 35 ft (10.7 m) long with a longest span of 11 ft (3.5 m) and a deck 45 ft wide.

Who owns U.S. Highway 395 over Parker Creek?

It is owned by the State Highway Agency.