US Bridges

State Route 371 over Cahuilla Creek

Fair

Riverside County, California · 08-RIV-371-65.44 · Structure no. 56 0490

Built
1943
82 years old, rebuilt 1977
Condition
Fair
inspected December 2024
Type
Slab
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
7,600
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 371 over Cahuilla Creek is a prestressed concrete slab carrying State Route 371 over Cahuilla Creek in Riverside County, California. It was built in 1943 and reconstructed in 1977, so it is 82 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 7,600 vehicles a day, roughly 6% of them trucks, projected to reach 9,929 by 2043. The structure is 44 ft (13.5 m) long and 33 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesState Route 371
CrossesCahuilla Creek
Location08-RIV-371-65.44
RouteState Highway 371
Coordinates33.53026, -116.76873
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length44 ft (13.5 m)
Longest span44 ft (13.5 m)
Deck width33 ft (10.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,600 (2019)
Projected traffic9,929 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 1943, making it 82 years old in 2025. It was reconstructed in 1977.

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 7,600 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is State Route 371 over Cahuilla Creek?

The structure is 44 ft (13.5 m) long with a longest span of 44 ft (13.5 m) and a deck 33 ft wide.

Who owns State Route 371 over Cahuilla Creek?

It is owned by the State Highway Agency.