US Bridges

Interstate 40 over Airport Wash

Good

San Bernardino County, California · 08-SBD-040-145.61 · Structure no. 54 0507R

Built
1957
68 years old
Condition
Good
inspected March 2025
Type
Slab
Prestressed Concrete
Length
181 ft
5 main spans
Daily traffic
7,200
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 40 over Airport Wash is a prestressed concrete slab carrying Interstate 40 over Airport Wash in San Bernardino County, California. It was built in 1957, so it is 68 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 7,200 vehicles a day, roughly 46% of them trucks, projected to reach 8,992 by 2047. The structure is 181 ft (55.2 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesInterstate 40
CrossesAirport Wash
Location08-SBD-040-145.61
RouteInterstate 40
CountySan Bernardino County
StateCalifornia
Coordinates34.79815, -114.58888
Functional classRural 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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating32.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length181 ft (55.2 m)
Longest span40 ft (12.2 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (2019)
Projected traffic8,992 by 2047
Trucks46%
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 40 over Airport Wash built?

It was built in 1957, making it 68 years old in 2025.

What condition is Interstate 40 over Airport 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 March 2025.

How much traffic does Interstate 40 over Airport Wash carry?

About 7,200 vehicles per day (2019 count), of which roughly 46% are trucks.

How long is Interstate 40 over Airport Wash?

The structure is 181 ft (55.2 m) long with a longest span of 40 ft (12.2 m) and a deck 42 ft wide.

Who owns Interstate 40 over Airport Wash?

It is owned by the State Highway Agency.