US Bridges

Riverside Avenue over Santa Ana River

Fair

San Bernardino County, California · 3.1 MI S RTE I-10 · Structure no. 54C0157

Built
1978
47 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,215 ft
12 main spans
Daily traffic
13,550
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Riverside Avenue over Santa Ana River is a prestressed concrete continuous stringer/multi-beam or girder carrying Riverside Avenue over Santa Ana River in San Bernardino County, California. It was built in 1978, so it is 47 years old, younger 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 5 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 13,550 vehicles a day, roughly 2% of them trucks, projected to reach 18,457 by 2045. The structure is 1,215 ft (370.3 m) long and 60 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRiverside Avenue
CrossesSanta Ana River
Location3.1 MI S RTE I-10
RouteCounty Highway 0
CountySan Bernardino County
StateCalifornia
Coordinates34.02399, -117.36288
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length1,215 ft (370.3 m)
Longest span102 ft (31.1 m)
Deck width60 ft (18.3 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,550 (2015)
Projected traffic18,457 by 2045
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Riverside Avenue over Santa Ana River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Riverside Avenue over Santa Ana River 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 2024.

How much traffic does Riverside Avenue over Santa Ana River carry?

About 13,550 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Riverside Avenue over Santa Ana River?

The structure is 1,215 ft (370.3 m) long with a longest span of 102 ft (31.1 m) and a deck 60 ft wide.

Who owns Riverside Avenue over Santa Ana River?

It is owned by the City or Municipal Highway Agency.