US Bridges

Eastbound I-40 over Neprud Wash

Good

San Bernardino County, California · 08-SBD-040-R91.66 · Structure no. 54 1276R

Built
2007
18 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
165 ft
3 main spans
Daily traffic
8,500
2018 count
Owner
State
State Highway Agency

About this bridge

Eastbound I-40 over Neprud Wash is a prestressed concrete continuous stringer/multi-beam or girder carrying Eastbound I-40 over Neprud Wash in San Bernardino County, California. It was built in 2007, so it is 18 years old, younger 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 8,500 vehicles a day, roughly 40% of them trucks, projected to reach 12,726 by 2047. The structure is 165 ft (50.3 m) long and 43 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesEastbound I-40
CrossesNeprud Wash
Location08-SBD-040-R91.66
RouteInterstate 40
Coordinates34.77523, -115.45501
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length165 ft (50.3 m)
Longest span55 ft (16.8 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2018)
Projected traffic12,726 by 2047
Trucks40%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 Eastbound I-40 over Neprud Wash built?

It was built in 2007, making it 18 years old in 2025.

What condition is Eastbound I-40 over Neprud Wash 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 January 2025.

How much traffic does Eastbound I-40 over Neprud Wash carry?

About 8,500 vehicles per day (2018 count), of which roughly 40% are trucks.

How long is Eastbound I-40 over Neprud Wash?

The structure is 165 ft (50.3 m) long with a longest span of 55 ft (16.8 m) and a deck 43 ft wide.

Who owns Eastbound I-40 over Neprud Wash?

It is owned by the State Highway Agency.