US Bridges

47th Av (palm Cyn) over LA Quinta Channel

Fair

Riverside County, California · 0.1 MI E/O Jefferson ST · Structure no. 56C0545

Built
1981
44 years old, rebuilt 2008
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
132 ft
5 main spans
Daily traffic
29,900
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

47th Av (palm Cyn) over LA Quinta Channel is a concrete continuous slab carrying 47th Av (palm Cyn) over LA Quinta Channel in Riverside County, California. It was built in 1981 and reconstructed in 2008, so it is 44 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 29,900 vehicles a day, roughly 10% of them trucks, projected to reach 42,102 by 2045. The structure is 132 ft (40.3 m) long and 123 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries47th Av (palm Cyn)
CrossesLA Quinta Channel
Location0.1 MI E/O Jefferson ST
RouteCity Street 0
CountyRiverside County
StateCalifornia
Coordinates33.7072, -116.26834
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length132 ft (40.3 m)
Longest span29 ft (8.9 m)
Deck width123 ft (37.6 m)
Roadway width106 ft (32.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,900 (2020)
Projected traffic42,102 by 2045
Trucks10%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 47th Av (palm Cyn) over LA Quinta Channel built?

It was built in 1981, making it 44 years old in 2025. It was reconstructed in 2008.

What condition is 47th Av (palm Cyn) over LA Quinta 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 2025.

How much traffic does 47th Av (palm Cyn) over LA Quinta Channel carry?

About 29,900 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is 47th Av (palm Cyn) over LA Quinta Channel?

The structure is 132 ft (40.3 m) long with a longest span of 29 ft (8.9 m) and a deck 123 ft wide.

Who owns 47th Av (palm Cyn) over LA Quinta Channel?

It is owned by the City or Municipal Highway Agency.