US Bridges

Mockingbird Cyn RD over Mockingbird Canyon Creek

Fair

Riverside County, California · 0.9 Mi. Se/O Van Buren Bl · Structure no. 56C0290

Built
1975
50 years old
Condition
Fair
inspected April 2022
Type
Culvert
Concrete
Length
182 ft
5 main spans
Daily traffic
6,225
2012 count
Owner
County
County Highway Agency

About this bridge

Mockingbird Cyn RD over Mockingbird Canyon Creek is a concrete culvert carrying Mockingbird Cyn RD over Mockingbird Canyon Creek in Riverside County, California. It was built in 1975, so it is 50 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 6,225 vehicles a day, roughly 1% of them trucks, projected to reach 12,448 by 2040. The structure is 182 ft (55.5 m) long and 44 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesMockingbird Cyn RD
CrossesMockingbird Canyon Creek
Location0.9 Mi. Se/O Van Buren Bl
RouteCounty Highway 0
CountyRiverside County
StateCalifornia
Coordinates33.87637, -117.39783
Functional classUrban Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadUnknown
Structure length182 ft (55.5 m)
Longest span35 ft (10.8 m)
Deck width44 ft (13.4 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,225 (2012)
Projected traffic12,448 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Mockingbird Cyn RD over Mockingbird Canyon Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Mockingbird Cyn RD over Mockingbird Canyon Creek 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 2022.

How much traffic does Mockingbird Cyn RD over Mockingbird Canyon Creek carry?

About 6,225 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is Mockingbird Cyn RD over Mockingbird Canyon Creek?

The structure is 182 ft (55.5 m) long with a longest span of 35 ft (10.8 m) and a deck 44 ft wide.

Who owns Mockingbird Cyn RD over Mockingbird Canyon Creek?

It is owned by the County Highway Agency.