US Bridges

Water Road over Interstate 40

Good

San Bernardino County, California · 08-SBD-040-R119.98 · Structure no. 54 0856

Built
1971
54 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
230 ft
2 main spans
Daily traffic
100
2019 count
Owner
State
State Highway Agency

About this bridge

Water Road over Interstate 40 is a prestressed concrete continuous stringer/multi-beam or girder carrying Water Road over Interstate 40 in San Bernardino County, California. It was built in 1971, so it is 54 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 144 by 2043. The structure is 230 ft (70.1 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesWater Road
CrossesInterstate 40
Location08-SBD-040-R119.98
RouteCounty Highway 0
Coordinates34.84548, -114.97037
Functional classRural Local

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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating27.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length230 ft (70.1 m)
Longest span114 ft (34.7 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic144 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.8 mi (19 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 Water Road over Interstate 40 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Water Road over Interstate 40 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 2023.

How much traffic does Water Road over Interstate 40 carry?

About 100 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Water Road over Interstate 40?

The structure is 230 ft (70.1 m) long with a longest span of 114 ft (34.7 m) and a deck 34 ft wide.

Who owns Water Road over Interstate 40?

It is owned by the State Highway Agency.