US Bridges

Interstate 40 EB over Lava Ditch

Good

San Bernardino County, California · 08-SBD-040-R31.42 · Structure no. 54 0718R

Built
1967
58 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
150 ft
5 main spans
Daily traffic
9,800
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 40 EB over Lava Ditch is a concrete continuous slab carrying Interstate 40 EB over Lava Ditch in San Bernardino County, California. It was built in 1967, so it is 58 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 9,800 vehicles a day, roughly 40% of them trucks, projected to reach 13,644 by 2044. The structure is 150 ft (45.7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 40 EB
CrossesLava Ditch
Location08-SBD-040-R31.42
RouteInterstate 40
Coordinates34.79, -116.47179
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 inspectionNovember 2024
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 rating72.9 US tons
Inventory rating43.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,800 (2022)
Projected traffic13,644 by 2044
Trucks40%
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 Lava Ditch built?

It was built in 1967, making it 58 years old in 2025.

What condition is Interstate 40 EB over Lava Ditch 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 November 2024.

How much traffic does Interstate 40 EB over Lava Ditch carry?

About 9,800 vehicles per day (2022 count), of which roughly 40% are trucks.

How long is Interstate 40 EB over Lava Ditch?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns Interstate 40 EB over Lava Ditch?

It is owned by the State Highway Agency.