US Bridges

Interstate 40 EB over Argos Wash

Fair

San Bernardino County, California · 08-SBD-040-R43.84 · Structure no. 54 0737R

Built
1968
57 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
158 ft
7 main spans
Daily traffic
9,000
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 40 EB over Argos Wash is a concrete continuous slab carrying Interstate 40 EB over Argos Wash in San Bernardino County, California. It was built in 1968, so it is 57 years old, older 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 9,000 vehicles a day, roughly 60% of them trucks, projected to reach 12,365 by 2046. The structure is 158 ft (48.2 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 40 EB
CrossesArgos Wash
Location08-SBD-040-R43.84
RouteInterstate 40
Coordinates34.72956, -116.27102
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length158 ft (48.2 m)
Longest span24 ft (7.3 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,000 (2022)
Projected traffic12,365 by 2046
Trucks60%
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 EB over Argos Wash built?

It was built in 1968, making it 57 years old in 2025.

What condition is Interstate 40 EB over Argos 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 40 EB over Argos Wash carry?

About 9,000 vehicles per day (2022 count), of which roughly 60% are trucks.

How long is Interstate 40 EB over Argos Wash?

The structure is 158 ft (48.2 m) long with a longest span of 24 ft (7.3 m) and a deck 42 ft wide.

Who owns Interstate 40 EB over Argos Wash?

It is owned by the State Highway Agency.