US Bridges

Interstate 10 over Ramon Wash

Good

Riverside County, California · 08-RIV-010-35.61 · Structure no. 56 0300

Built
1955
70 years old, rebuilt 1968
Condition
Good
inspected April 2023
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
87,000
2014 count
Owner
State
State Highway Agency

About this bridge

Interstate 10 over Ramon Wash is a concrete slab carrying Interstate 10 over Ramon Wash in Riverside County, California. It was built in 1955 and reconstructed in 1968, so it is 70 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 87,000 vehicles a day, roughly 24% of them trucks, projected to reach 96,916 by 2040. The structure is 30 ft (9.1 m) long and 165 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesInterstate 10
CrossesRamon Wash
Location08-RIV-010-35.61
RouteInterstate 10
CountyRiverside County
StateCalifornia
Coordinates33.88483, -116.5103
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width165 ft (50.2 m)
Roadway width162 ft (49.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87,000 (2014)
Projected traffic96,916 by 2040
Trucks24%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Interstate 10 over Ramon Wash built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1968.

What condition is Interstate 10 over Ramon 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 April 2023.

How much traffic does Interstate 10 over Ramon Wash carry?

About 87,000 vehicles per day (2014 count), of which roughly 24% are trucks.

How long is Interstate 10 over Ramon Wash?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 165 ft wide.

Who owns Interstate 10 over Ramon Wash?

It is owned by the State Highway Agency.