US Bridges

Essex Road over Interstate 40

Fair

San Bernardino County, California · 08-SBD-040-R99.73 · Structure no. 54 0896

Built
1973
52 years old
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
360 ft
2 main spans
Daily traffic
200
2016 count
Owner
State
State Highway Agency

About this bridge

Essex Road over Interstate 40 is a prestressed concrete continuous box beam or girders - multiple carrying Essex Road over Interstate 40 in San Bernardino County, California. It was built in 1973, so it is 52 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 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 200 vehicles a day, roughly 1% of them trucks, projected to reach 313 by 2045. The structure is 360 ft (109.7 m) long and 42 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesEssex Road
CrossesInterstate 40
Location08-SBD-040-R99.73
RouteCounty Highway 0
Coordinates34.80152, -115.32089
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating32.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length360 ft (109.7 m)
Longest span180 ft (54.9 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2016)
Projected traffic313 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

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 Essex Road over Interstate 40 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Essex Road over Interstate 40 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 2025.

How much traffic does Essex Road over Interstate 40 carry?

About 200 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Essex Road over Interstate 40?

The structure is 360 ft (109.7 m) long with a longest span of 180 ft (54.9 m) and a deck 42 ft wide.

Who owns Essex Road over Interstate 40?

It is owned by the State Highway Agency.