US Bridges

Interstate 40 over Needles HWY

Good

San Bernardino County, California · 08-SBD-040-R141.62-NED · Structure no. 54 0812R

Built
1973
52 years old
Condition
Good
inspected March 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
230 ft
1 main span
Daily traffic
7,350
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 40 over Needles HWY is a prestressed concrete stringer/multi-beam or girder carrying Interstate 40 over Needles HWY 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 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 7,350 vehicles a day, roughly 46% of them trucks, projected to reach 9,179 by 2047. The structure is 230 ft (70.1 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 40
CrossesNeedles HWY
Location08-SBD-040-R141.62-NED
RouteInterstate 40
Coordinates34.84866, -114.61847
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 inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating17.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length230 ft (70.1 m)
Longest span132 ft (40.2 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,350 (2019)
Projected traffic9,179 by 2047
Trucks46%
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 over Needles HWY built?

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

What condition is Interstate 40 over Needles HWY 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 March 2025.

How much traffic does Interstate 40 over Needles HWY carry?

About 7,350 vehicles per day (2019 count), of which roughly 46% are trucks.

How long is Interstate 40 over Needles HWY?

The structure is 230 ft (70.1 m) long with a longest span of 132 ft (40.2 m) and a deck 42 ft wide.

Who owns Interstate 40 over Needles HWY?

It is owned by the State Highway Agency.