US Bridges

Rio Road over Sunnyslope Storm Channel

Fair

Riverside County, California · 0.2 Mi. Se/O Riverview DR · Structure no. 56C0366

Built
1970
55 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
88
2014 count
Owner
County
County Highway Agency

About this bridge

Rio Road over Sunnyslope Storm Channel is a concrete culvert carrying Rio Road over Sunnyslope Storm Channel in Riverside County, California. It was built in 1970, so it is 55 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 88 vehicles a day, projected to reach 105 by 2042. The structure is 26 ft (7.9 m) long and 40 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesRio Road
CrossesSunnyslope Storm Channel
Location0.2 Mi. Se/O Riverview DR
RouteCounty Highway 0
CountyRiverside County
StateCalifornia
Coordinates33.98107, -117.42337
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior 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 length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width40 ft (12.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic88 (2014)
Projected traffic105 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Rio Road over Sunnyslope Storm Channel built?

It was built in 1970, making it 55 years old in 2025.

What condition is Rio Road over Sunnyslope 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 April 2024.

How much traffic does Rio Road over Sunnyslope Storm Channel carry?

About 88 vehicles per day (2014 count).

How long is Rio Road over Sunnyslope Storm Channel?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 40 ft wide.

Who owns Rio Road over Sunnyslope Storm Channel?

It is owned by the County Highway Agency.