US Bridges

Clay Canyon Drive over Brown Canyon Channel

Good

Riverside County, California · 0.5 Mi. W/O Knabe Road · Structure no. 56C0508

Built
2000
25 years old
Condition
Good
inspected September 2022
Type
Tee Beam
Concrete
Length
49 ft
1 main span
Daily traffic
1,455
2018 count
Owner
County
County Highway Agency

About this bridge

Clay Canyon Drive over Brown Canyon Channel is a concrete tee beam carrying Clay Canyon Drive over Brown Canyon Channel in Riverside County, California. It was built in 2000, so it is 25 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,455 vehicles a day, roughly 1% of them trucks, projected to reach 2,081 by 2041. The structure is 49 ft (14.8 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesClay Canyon Drive
CrossesBrown Canyon Channel
Location0.5 Mi. W/O Knabe Road
RouteCounty Highway 0
Coordinates33.78475, -117.50576
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
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 typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (14.8 m)
Longest span46 ft (14 m)
Deck width58 ft (17.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,455 (2018)
Projected traffic2,081 by 2041
Trucks1%
Lanes on structure2
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

OwnerCounty Highway Agency
Maintained byCounty 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 Clay Canyon Drive over Brown Canyon Channel built?

It was built in 2000, making it 25 years old in 2025.

What condition is Clay Canyon Drive over Brown Canyon Channel in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2022.

How much traffic does Clay Canyon Drive over Brown Canyon Channel carry?

About 1,455 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Clay Canyon Drive over Brown Canyon Channel?

The structure is 49 ft (14.8 m) long with a longest span of 46 ft (14 m) and a deck 58 ft wide.

Who owns Clay Canyon Drive over Brown Canyon Channel?

It is owned by the County Highway Agency.