US Bridges

Route 40 E Bound over Nebo Street

Good

San Bernardino County, California · 08-SBD-040-R4.71 · Structure no. 54 0662R

Built
1964
61 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
9,850
2024 count
Owner
State
State Highway Agency

About this bridge

Route 40 E Bound over Nebo Street is a concrete continuous box beam or girders - multiple carrying Route 40 E Bound over Nebo 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 9,850 vehicles a day, roughly 36% of them trucks, projected to reach 13,566 by 2046. The structure is 125 ft (38.1 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 40 E Bound
CrossesNebo Street
Location08-SBD-040-R4.71
RouteInterstate 40
Coordinates34.86353, -116.93246
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span63 ft (19.2 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,850 (2024)
Projected traffic13,566 by 2046
Trucks36%
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 Route 40 E Bound over Nebo Street built?

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

What condition is Route 40 E Bound over Nebo 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 Route 40 E Bound over Nebo Street carry?

About 9,850 vehicles per day (2024 count), of which roughly 36% are trucks.

How long is Route 40 E Bound over Nebo Street?

The structure is 125 ft (38.1 m) long with a longest span of 63 ft (19.2 m) and a deck 42 ft wide.

Who owns Route 40 E Bound over Nebo Street?

It is owned by the State Highway Agency.