US Bridges

US Highway 395 NB over State Route 203

Fair

Mono County, California · 09-MNO-395-R25.73 · Structure no. 47 0050R

Built
1969
56 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
128 ft
1 main span
Daily traffic
4,650
2017 count
Owner
State
State Highway Agency

About this bridge

US Highway 395 NB over State Route 203 is a prestressed concrete box beam or girders - multiple carrying US Highway 395 NB over State Route 203 in Mono County, California. It was built in 1969, so it is 56 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 4,650 vehicles a day, roughly 13% of them trucks, projected to reach 5,284 by 2040. The structure is 128 ft (39 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS Highway 395 NB
CrossesState Route 203
Location09-MNO-395-R25.73
RouteU.S. Route 395
Coordinates37.64126, -118.91624
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.
Last inspectionAugust 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 geometry7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating52.9 US tons
Inventory rating32.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length128 ft (39 m)
Longest span126 ft (38.4 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,650 (2017)
Projected traffic5,284 by 2040
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 US Highway 395 NB over State Route 203 built?

It was built in 1969, making it 56 years old in 2025.

What condition is US Highway 395 NB over State Route 203 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 US Highway 395 NB over State Route 203 carry?

About 4,650 vehicles per day (2017 count), of which roughly 13% are trucks.

How long is US Highway 395 NB over State Route 203?

The structure is 128 ft (39 m) long with a longest span of 126 ft (38.4 m) and a deck 43 ft wide.

Who owns US Highway 395 NB over State Route 203?

It is owned by the State Highway Agency.