US Bridges

Cottonwood Avenue over Sunnymead Storm Channel

Fair

Riverside County, California · 0.2 Mi. E/O Heacock St. · Structure no. 56C0214

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
10,900
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cottonwood Avenue over Sunnymead Storm Channel is a concrete culvert carrying Cottonwood Avenue over Sunnymead Storm Channel in Riverside County, California. It was built in 1967, so it is 58 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 10,900 vehicles a day, roughly 1% of them trucks, projected to reach 18,734 by 2041. The structure is 24 ft (7.3 m) long and 86 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCottonwood Avenue
CrossesSunnymead Storm Channel
Location0.2 Mi. E/O Heacock St.
RouteCity Street 0
CountyRiverside County
StateCalifornia
Coordinates33.92443, -117.23996
Functional classUrban Collector

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 inspectionJuly 2023
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span10 ft (3.2 m)
Deck width86 ft (26.1 m)
Roadway width62 ft (18.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,900 (2019)
Projected traffic18,734 by 2041
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Cottonwood Avenue over Sunnymead Storm Channel built?

It was built in 1967, making it 58 years old in 2025.

What condition is Cottonwood Avenue over Sunnymead Storm 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 July 2023.

How much traffic does Cottonwood Avenue over Sunnymead Storm Channel carry?

About 10,900 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Cottonwood Avenue over Sunnymead Storm Channel?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3.2 m) and a deck 86 ft wide.

Who owns Cottonwood Avenue over Sunnymead Storm Channel?

It is owned by the City or Municipal Highway Agency.