US Bridges

US Highway 395 NB over Five Mile Canyon

Good

Inyo County, California · 09-INY-395-R5.12R · Structure no. 48 0046R

Built
1970
55 years old
Condition
Good
inspected September 2022
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
170 ft
2 main spans
Daily traffic
6,400
2019 count
Owner
State
State Highway Agency

About this bridge

US Highway 395 NB over Five Mile Canyon is a concrete continuous box beam or girders - multiple carrying US Highway 395 NB over Five Mile Canyon in Inyo County, California. It was built in 1970, so it is 55 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,400 vehicles a day, roughly 12% of them trucks, projected to reach 7,640 by 2040. The structure is 170 ft (51.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS Highway 395 NB
CrossesFive Mile Canyon
Location09-INY-395-R5.12R
RouteU.S. Route 395
Coordinates35.8712, -117.88262
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating53.6 US tons
Inventory rating37.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span84 ft (25.6 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2019)
Projected traffic7,640 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 US Highway 395 NB over Five Mile Canyon built?

It was built in 1970, making it 55 years old in 2025.

What condition is US Highway 395 NB over Five Mile Canyon in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2022.

How much traffic does US Highway 395 NB over Five Mile Canyon carry?

About 6,400 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is US Highway 395 NB over Five Mile Canyon?

The structure is 170 ft (51.8 m) long with a longest span of 84 ft (25.6 m) and a deck 42 ft wide.

Who owns US Highway 395 NB over Five Mile Canyon?

It is owned by the State Highway Agency.