US Bridges

Interstate 10 WB over Warm Creek

Good

San Bernardino County, California · 08-SBD-010-R23.60-COL · Structure no. 54 0830L

Built
1970
55 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
390 ft
5 main spans
Daily traffic
102,000
2021 count
Owner
State
State Highway Agency

About this bridge

Interstate 10 WB over Warm Creek is a concrete continuous box beam or girders - multiple carrying Interstate 10 WB over Warm Creek in San Bernardino 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 102,000 vehicles a day, roughly 13% of them trucks, projected to reach 120,000 by 2043. The structure is 390 ft (118.9 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 10 WB
CrossesWarm Creek
Location08-SBD-010-R23.60-COL
RouteInterstate 10
Coordinates34.06522, -117.30759
Functional classUrban Principal Arterial - Interstate

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 protection9 ExcellentNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating41.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length390 ft (118.9 m)
Longest span90 ft (27.4 m)
Deck width80 ft (24.4 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deck19 ft (5.8 m)

Traffic and service

Average daily traffic102,000 (2021)
Projected traffic120,000 by 2043
Trucks13%
Lanes on structure5
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 Interstate 10 WB over Warm Creek built?

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

What condition is Interstate 10 WB over Warm Creek 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 July 2023.

How much traffic does Interstate 10 WB over Warm Creek carry?

About 102,000 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is Interstate 10 WB over Warm Creek?

The structure is 390 ft (118.9 m) long with a longest span of 90 ft (27.4 m) and a deck 80 ft wide.

Who owns Interstate 10 WB over Warm Creek?

It is owned by the State Highway Agency.