US Bridges

Interstate 40 WB over Hector Road

Good

San Bernardino County, California · 08-SBD-040-R32.50 · Structure no. 54 0719L

Built
1967
58 years old
Condition
Good
inspected February 2024
Type
Tee Beam
Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
9,000
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 40 WB over Hector Road is a concrete continuous tee beam carrying Interstate 40 WB over Hector Road 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 9,000 vehicles a day, roughly 60% of them trucks, projected to reach 12,365 by 2046. The structure is 120 ft (36.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 40 WB
CrossesHector Road
Location08-SBD-040-R32.50
RouteInterstate 40
Coordinates34.7882, -116.45296
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.
Last inspectionFebruary 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 rating49.3 US tons
Inventory rating37.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span64 ft (19.5 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
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 WB over Hector Road built?

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

What condition is Interstate 40 WB over Hector Road 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 February 2024.

How much traffic does Interstate 40 WB over Hector Road carry?

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

How long is Interstate 40 WB over Hector Road?

The structure is 120 ft (36.6 m) long with a longest span of 64 ft (19.5 m) and a deck 42 ft wide.

Who owns Interstate 40 WB over Hector Road?

It is owned by the State Highway Agency.