US Bridges

Wild Wash Road over Interstate 15

Good

San Bernardino County, California · 08-SBD-015-55.96 · Structure no. 54 0565

Built
1972
53 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
204 ft
2 main spans
Daily traffic
100
2019 count
Owner
State
State Highway Agency

About this bridge

Wild Wash Road over Interstate 15 is a prestressed concrete continuous stringer/multi-beam or girder carrying Wild Wash Road over Interstate 15 in San Bernardino County, California. It was built in 1972, so it is 53 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 1% of them trucks, projected to reach 200 by 2044. The structure is 204 ft (62.2 m) long and 34 ft wide. If it were closed, the detour would be 9.3 mi (15 km).

CarriesWild Wash Road
CrossesInterstate 15
Location08-SBD-015-55.96
RouteCounty Highway 0
Coordinates34.70166, -117.20567
Functional classRural Major Collector

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 inspectionApril 2024
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 rating55 US tons
Inventory rating24.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length204 ft (62.2 m)
Longest span107 ft (32.6 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 traffic200 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.3 mi (15 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 Wild Wash Road over Interstate 15 built?

It was built in 1972, making it 53 years old in 2025.

What condition is Wild Wash Road over Interstate 15 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 April 2024.

How much traffic does Wild Wash Road over Interstate 15 carry?

About 100 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Wild Wash Road over Interstate 15?

The structure is 204 ft (62.2 m) long with a longest span of 107 ft (32.6 m) and a deck 34 ft wide.

Who owns Wild Wash Road over Interstate 15?

It is owned by the State Highway Agency.