US Bridges

River Road over North Norco Channel

Fair

Riverside County, California · 0.02 Mi. Se/O 2nd Street · Structure no. 56C0295

Built
1978
47 years old, rebuilt 1985
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
5,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

River Road over North Norco Channel is a concrete culvert carrying River Road over North Norco Channel in Riverside County, California. It was built in 1978 and reconstructed in 1985, 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 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 5,000 vehicles a day, roughly 1% of them trucks, projected to reach 10,760 by 2045. The structure is 31 ft (9.4 m) long and 103 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRiver Road
CrossesNorth Norco Channel
Location0.02 Mi. Se/O 2nd Street
RouteCity Street 0
CountyRiverside County
StateCalifornia
Coordinates33.90735, -117.58152
Functional classUrban Minor 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width103 ft (31.5 m)
Roadway width67 ft (20.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2020)
Projected traffic10,760 by 2045
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was River Road over North Norco Channel built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 1985.

What condition is River Road over North Norco 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 January 2023.

How much traffic does River Road over North Norco Channel carry?

About 5,000 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is River Road over North Norco Channel?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m) and a deck 103 ft wide.

Who owns River Road over North Norco Channel?

It is owned by the City or Municipal Highway Agency.