US Bridges

Interstate 40 EB over East Main Street

Good

San Bernardino County, California · 08-SBD-040-R2.35 · Structure no. 54 0656R

Built
1964
61 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
198 ft
3 main spans
Daily traffic
19,500
2024 count
Owner
State
State Highway Agency

About this bridge

Interstate 40 EB over East Main Street is a concrete continuous box beam or girders - multiple carrying Interstate 40 EB over East Main Street in San Bernardino County, California. It was built in 1964, so it is 61 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 19,500 vehicles a day, roughly 35% of them trucks, projected to reach 23,566 by 2041. The structure is 198 ft (60.4 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 40 EB
CrossesEast Main Street
Location08-SBD-040-R2.35
RouteInterstate 40
Coordinates34.87857, -116.96881
Functional classUrban 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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating33.6 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length198 ft (60.4 m)
Longest span102 ft (31.1 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,500 (2024)
Projected traffic23,566 by 2041
Trucks35%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 40 EB over East Main Street built?

It was built in 1964, making it 61 years old in 2025.

What condition is Interstate 40 EB over East Main Street 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 September 2024.

How much traffic does Interstate 40 EB over East Main Street carry?

About 19,500 vehicles per day (2024 count), of which roughly 35% are trucks.

How long is Interstate 40 EB over East Main Street?

The structure is 198 ft (60.4 m) long with a longest span of 102 ft (31.1 m) and a deck 42 ft wide.

Who owns Interstate 40 EB over East Main Street?

It is owned by the State Highway Agency.