US Bridges

U.S. Highway 395 over Joshua Wash

Good

San Bernardino County, California · 08-SBD-395-14.58 · Structure no. 54 0524

Built
1955
70 years old, rebuilt 2020
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
22,000
2019 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 395 over Joshua Wash is a concrete continuous culvert carrying U.S. Highway 395 over Joshua Wash in San Bernardino County, California. It was built in 1955 and reconstructed in 2020, so it is 70 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 22,000 vehicles a day, roughly 17% of them trucks, projected to reach 32,000 by 2044. The structure is 27 ft (8.2 m) long and 84 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesU.S. Highway 395
CrossesJoshua Wash
Location08-SBD-395-14.58
RouteU.S. Route 395
Coordinates34.55633, -117.40419
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span10 ft (3 m)
Deck width84 ft (25.6 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2019)
Projected traffic32,000 by 2044
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 U.S. Highway 395 over Joshua Wash built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2020.

What condition is U.S. Highway 395 over Joshua Wash 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 August 2024.

How much traffic does U.S. Highway 395 over Joshua Wash carry?

About 22,000 vehicles per day (2019 count), of which roughly 17% are trucks.

How long is U.S. Highway 395 over Joshua Wash?

The structure is 27 ft (8.2 m) long with a longest span of 10 ft (3 m) and a deck 84 ft wide.

Who owns U.S. Highway 395 over Joshua Wash?

It is owned by the State Highway Agency.