US Bridges

Indian Trail over Mojave River

Good

San Bernardino County, California · 1.1 MI N Natnl Trail HWY · Structure no. 54C0658

Built
1993
32 years old
Condition
Good
inspected September 2023
Type
Culvert
Other
Length
131 ft
10 main spans
Daily traffic
386
2016 count
Owner
County
County Highway Agency

About this bridge

Indian Trail over Mojave River is a other culvert carrying Indian Trail over Mojave River in San Bernardino County, California. It was built in 1993, so it is 32 years old, younger 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 386 vehicles a day, roughly 6% of them trucks, projected to reach 401 by 2042. The structure is 131 ft (40 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIndian Trail
CrossesMojave River
Location1.1 MI N Natnl Trail HWY
RouteCounty Highway 0
Coordinates34.78243, -117.27899
Functional classRural Major Collector

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialOther
DeckNot applicable
Main spans10
Design loadUnknown
Structure length131 ft (40 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic386 (2016)
Projected traffic401 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Indian Trail over Mojave River built?

It was built in 1993, making it 32 years old in 2025.

What condition is Indian Trail over Mojave River 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 2023.

How much traffic does Indian Trail over Mojave River carry?

About 386 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is Indian Trail over Mojave River?

The structure is 131 ft (40 m) long with a longest span of 7 ft (2.1 m).

Who owns Indian Trail over Mojave River?

It is owned by the County Highway Agency.