US Bridges

Indian Rock RD over Yuma Main Canal

Fair

Imperial County, California · 0.74 MI W/O Picacho RD · Structure no. 58C0098

Built
1978
47 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
135 ft
4 main spans
Daily traffic
1,015
2021 count
Owner
County
County Highway Agency

About this bridge

Indian Rock RD over Yuma Main Canal is a concrete continuous slab carrying Indian Rock RD over Yuma Main Canal in Imperial 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 5 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 1,015 vehicles a day, roughly 1% of them trucks, projected to reach 1,073 by 2043. The structure is 135 ft (41.1 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIndian Rock RD
CrossesYuma Main Canal
Location0.74 MI W/O Picacho RD
RouteCounty Highway 0
CountyImperial County
StateCalifornia
Coordinates32.76003, -114.62914
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating100.3 US tons
Inventory rating60.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span33 ft (10.1 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,015 (2021)
Projected traffic1,073 by 2043
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Indian Rock RD over Yuma Main Canal built?

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

What condition is Indian Rock RD over Yuma Main Canal 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 October 2023.

How much traffic does Indian Rock RD over Yuma Main Canal carry?

About 1,015 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Indian Rock RD over Yuma Main Canal?

The structure is 135 ft (41.1 m) long with a longest span of 33 ft (10.1 m) and a deck 32 ft wide.

Who owns Indian Rock RD over Yuma Main Canal?

It is owned by the County Highway Agency.