US Bridges

Interstate 10 EB over Fornat Wash

Fair

Riverside County, California · 08-RIV-010-R21.67 · Structure no. 56 0166R

Built
1940
85 years old, rebuilt 1966
Condition
Fair
inspected July 2023
Type
Slab
Concrete Continuous
Length
67 ft
5 main spans
Daily traffic
45,500
2014 count
Owner
State
State Highway Agency

About this bridge

Interstate 10 EB over Fornat Wash is a concrete continuous slab carrying Interstate 10 EB over Fornat Wash in Riverside County, California. It was built in 1940 and reconstructed in 1966, so it is 85 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 45,500 vehicles a day, roughly 19% of them trucks, projected to reach 60,000 by 2044. The structure is 67 ft (20.4 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 10 EB
CrossesFornat Wash
Location08-RIV-010-R21.67
RouteInterstate 10
Coordinates33.9244, -116.73824
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating31.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span19 ft (5.8 m)
Deck width72 ft (21.9 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,500 (2014)
Projected traffic60,000 by 2044
Trucks19%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 10 EB over Fornat Wash built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1966.

What condition is Interstate 10 EB over Fornat Wash in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Interstate 10 EB over Fornat Wash carry?

About 45,500 vehicles per day (2014 count), of which roughly 19% are trucks.

How long is Interstate 10 EB over Fornat Wash?

The structure is 67 ft (20.4 m) long with a longest span of 19 ft (5.8 m) and a deck 72 ft wide.

Who owns Interstate 10 EB over Fornat Wash?

It is owned by the State Highway Agency.