US Bridges

Atwood Avenue over Sunnymead Storm Channel

Fair

Riverside County, California · 0.1 Mi. W/O Indian Street · Structure no. 56C0275

Built
1978
47 years old
Condition
Fair
inspected July 2021
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
3,700
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Atwood Avenue over Sunnymead Storm Channel is a concrete culvert carrying Atwood Avenue over Sunnymead Storm Channel in Riverside County, California. It was built in 1978, 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 3,700 vehicles a day, roughly 1% of them trucks, projected to reach 4,500 by 2041. The structure is 34 ft (10.4 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesAtwood Avenue
CrossesSunnymead Storm Channel
Location0.1 Mi. W/O Indian Street
RouteCity Street 0
CountyRiverside County
StateCalifornia
Coordinates33.92991, -117.23611
Functional classUrban Local

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 2021
Inspection intervalevery 48 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span14 ft (4.3 m)
Deck width59 ft (18.1 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2017)
Projected traffic4,500 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Atwood Avenue over Sunnymead Storm Channel built?

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

What condition is Atwood 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 2021.

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

About 3,700 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Atwood Avenue over Sunnymead Storm Channel?

The structure is 34 ft (10.4 m) long with a longest span of 14 ft (4.3 m) and a deck 59 ft wide.

Who owns Atwood Avenue over Sunnymead Storm Channel?

It is owned by the City or Municipal Highway Agency.