US Bridges

U.S. Highway 395 over UP RR

Fair

Modoc County, California · 02-MOD-395-R20.77 · Structure no. 03 0054

Built
1971
54 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
164 ft
3 main spans
Daily traffic
2,400
2015 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 395 over UP RR is a concrete continuous box beam or girders - multiple carrying U.S. Highway 395 over UP RR 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 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 2,400 vehicles a day, roughly 22% of them trucks, projected to reach 3,051 by 2040. The structure is 164 ft (50.1 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesU.S. Highway 395
CrossesUP RR
Location02-MOD-395-R20.77
RouteU.S. Route 395
CountyModoc County
StateCalifornia
Coordinates41.47643, -120.54324
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length164 ft (50.1 m)
Longest span66 ft (20 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
CrossesRailroad
Detour if closed3.7 mi (6 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 UP RR built?

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

What condition is U.S. Highway 395 over UP RR 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 UP RR carry?

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

How long is U.S. Highway 395 over UP RR?

The structure is 164 ft (50.1 m) long with a longest span of 66 ft (20 m) and a deck 42 ft wide.

Who owns U.S. Highway 395 over UP RR?

It is owned by the State Highway Agency.