US Bridges

Interstate 15 NB over Hack Wash

Fair

San Bernardino County, California · 08-SBD-015-142.26 · Structure no. 54 1268R

Built
2004
21 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
64 ft
1 main span
Daily traffic
22,000
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 15 NB over Hack Wash is a concrete slab carrying Interstate 15 NB over Hack Wash in San Bernardino County, California. It was built in 2004, so it is 21 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 6 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 22,000 vehicles a day, roughly 20% of them trucks, projected to reach 26,400 by 2041. The structure is 64 ft (19.5 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesInterstate 15 NB
CrossesHack Wash
Location08-SBD-015-142.26
RouteInterstate 15
CountySan Bernardino County
StateCalifornia
Coordinates35.31429, -115.99732
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans1
Design loadHS 20 + Mod
Structure length64 ft (19.5 m)
Longest span52 ft (16 m)
Deck width53 ft (16.2 m)
Roadway width51 ft (15.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2019)
Projected traffic26,400 by 2041
Trucks20%
Lanes on structure3
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 NB over Hack Wash built?

It was built in 2004, making it 21 years old in 2025.

What condition is Interstate 15 NB over Hack 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 January 2024.

How much traffic does Interstate 15 NB over Hack Wash carry?

About 22,000 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is Interstate 15 NB over Hack Wash?

The structure is 64 ft (19.5 m) long with a longest span of 52 ft (16 m) and a deck 53 ft wide.

Who owns Interstate 15 NB over Hack Wash?

It is owned by the State Highway Agency.