US Bridges

Interstate 10 EB over Santa Ana River

Good

San Bernardino County, California · 08-SBD-010-R23.82-COL · Structure no. 54 0292R

Built
1958
67 years old, rebuilt 1972
Condition
Good
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
837 ft
15 main spans
Daily traffic
102,000
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 10 EB over Santa Ana River is a concrete continuous tee beam carrying Interstate 10 EB over Santa Ana River in San Bernardino County, California. It was built in 1958 and reconstructed in 1972, so it is 67 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 102,000 vehicles a day, roughly 11% of them trucks, projected to reach 165,000 by 2042. The structure is 837 ft (255.1 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 10 EB
CrossesSanta Ana River
Location08-SBD-010-R23.82-COL
RouteInterstate 10
Coordinates34.06509, -117.3038
Functional classUrban 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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.1 US tons
Inventory rating45 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20
Structure length837 ft (255.1 m)
Longest span62 ft (18.9 m)
Deck width68 ft (20.7 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102,000 (2020)
Projected traffic165,000 by 2042
Trucks11%
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 Santa Ana River built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1972.

What condition is Interstate 10 EB over Santa Ana River 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 July 2023.

How much traffic does Interstate 10 EB over Santa Ana River carry?

About 102,000 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Interstate 10 EB over Santa Ana River?

The structure is 837 ft (255.1 m) long with a longest span of 62 ft (18.9 m) and a deck 68 ft wide.

Who owns Interstate 10 EB over Santa Ana River?

It is owned by the State Highway Agency.