US Bridges

Interstate 10 over Eagle Mountain Road

Good

Riverside County, California · 08-RIV-010-R102.01 · Structure no. 56 0575L

Built
1967
58 years old
Condition
Good
inspected March 2023
Type
Tee Beam
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
11,500
2016 count
Owner
State
State Highway Agency

About this bridge

Interstate 10 over Eagle Mountain Road is a concrete continuous tee beam carrying Interstate 10 over Eagle Mountain Road in Riverside County, California. It was built in 1967, so it is 58 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 11,500 vehicles a day, roughly 40% of them trucks, projected to reach 19,732 by 2042. The structure is 101 ft (30.8 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 10
CrossesEagle Mountain Road
Location08-RIV-010-R102.01
RouteInterstate 10
Coordinates33.70221, -115.45241
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.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating36.4 US tons
Inventory rating25.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span47 ft (14.3 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,500 (2016)
Projected traffic19,732 by 2042
Trucks40%
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 10 over Eagle Mountain Road built?

It was built in 1967, making it 58 years old in 2025.

What condition is Interstate 10 over Eagle Mountain Road 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 Interstate 10 over Eagle Mountain Road carry?

About 11,500 vehicles per day (2016 count), of which roughly 40% are trucks.

How long is Interstate 10 over Eagle Mountain Road?

The structure is 101 ft (30.8 m) long with a longest span of 47 ft (14.3 m) and a deck 41 ft wide.

Who owns Interstate 10 over Eagle Mountain Road?

It is owned by the State Highway Agency.