US Bridges

State Route 371 over Cahuilla Creek

Fair

Riverside County, California · 08-RIV-371-70.53 · Structure no. 56 0491

Built
1961
64 years old, rebuilt 2014
Condition
Fair
inspected December 2024
Type
Culvert
Steel
Length
20 ft
1 main span
Daily traffic
3,950
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 371 over Cahuilla Creek is a steel culvert carrying State Route 371 over Cahuilla Creek in Riverside County, California. It was built in 1961 and reconstructed in 2014, so it is 64 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 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 3,950 vehicles a day, roughly 6% of them trucks, projected to reach 8,980 by 2043. The structure is 20 ft (6.1 m) long and 40 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

Location

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CarriesState Route 371
CrossesCahuilla Creek
Location08-RIV-371-70.53
RouteState Highway 371
CountyRiverside County
StateCalifornia
Coordinates33.55518, -116.68804
Functional classRural 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 protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width40 ft (12.3 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,950 (2019)
Projected traffic8,980 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 km)
TollOn a free road
National Highway SystemNo

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 State Route 371 over Cahuilla Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2014.

What condition is State Route 371 over Cahuilla Creek 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 December 2024.

How much traffic does State Route 371 over Cahuilla Creek carry?

About 3,950 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is State Route 371 over Cahuilla Creek?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 40 ft wide.

Who owns State Route 371 over Cahuilla Creek?

It is owned by the State Highway Agency.