US Bridges

Riverside DR over San Antonio Channel

Fair

San Bernardino County, California · 0.3 MI E Los a CO Line · Structure no. 54C0200

Built
1958
67 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
15,990
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Riverside DR over San Antonio Channel is a steel stringer/multi-beam or girder carrying Riverside DR over San Antonio Channel in San Bernardino County, California. It was built in 1958, 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 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 15,990 vehicles a day, roughly 4% of them trucks, projected to reach 22,540 by 2042. The structure is 34 ft (10.4 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRiverside DR
CrossesSan Antonio Channel
Location0.3 MI E Los a CO Line
RouteCity Street 0
CountySan Bernardino County
StateCalifornia
Coordinates34.01873, -117.73056
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span33 ft (10.1 m)
Deck width56 ft (17.2 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,990 (2016)
Projected traffic22,540 by 2042
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 DR over San Antonio Channel built?

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

What condition is Riverside DR over San Antonio Channel 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 June 2024.

How much traffic does Riverside DR over San Antonio Channel carry?

About 15,990 vehicles per day (2016 count), of which roughly 4% are trucks.

How long is Riverside DR over San Antonio Channel?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10.1 m) and a deck 56 ft wide.

Who owns Riverside DR over San Antonio Channel?

It is owned by the City or Municipal Highway Agency.