US Bridges

Interstate 15 SB over Hot Wash

Fair

San Bernardino County, California · 08-SBD-015-160.67 · Structure no. 54 1204L

Built
2003
22 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
163 ft
5 main spans
Daily traffic
18,500
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 15 SB over Hot Wash is a concrete slab carrying Interstate 15 SB over Hot Wash in San Bernardino County, California. It was built in 2003, so it is 22 years old, younger 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 18,500 vehicles a day, roughly 20% of them trucks, projected to reach 22,000 by 2042. The structure is 163 ft (49.6 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 15 SB
CrossesHot Wash
Location08-SBD-015-160.67
RouteInterstate 15
Coordinates35.4321, -115.70842
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length163 ft (49.6 m)
Longest span35 ft (10.8 m)
Deck width58 ft (17.8 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,500 (2020)
Projected traffic22,000 by 2042
Trucks20%
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 Interstate 15 SB over Hot Wash built?

It was built in 2003, making it 22 years old in 2025.

What condition is Interstate 15 SB over Hot Wash 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 February 2024.

How much traffic does Interstate 15 SB over Hot Wash carry?

About 18,500 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Interstate 15 SB over Hot Wash?

The structure is 163 ft (49.6 m) long with a longest span of 35 ft (10.8 m) and a deck 58 ft wide.

Who owns Interstate 15 SB over Hot Wash?

It is owned by the State Highway Agency.