US Bridges

Box Canyon RD over Coachella Canal

Fair

Riverside County, California · 0.5 MI Ne/O Garfield ST · Structure no. 56C0173

Built
1947
78 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
63 ft
2 main spans
Daily traffic
721
2014 count
Owner
County
County Highway Agency

About this bridge

Box Canyon RD over Coachella Canal is a concrete tee beam carrying Box Canyon RD over Coachella Canal in Riverside County, California. It was built in 1947, so it is 78 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 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 721 vehicles a day, roughly 2% of them trucks, projected to reach 624 by 2046. The structure is 63 ft (19.2 m) long and 29 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesBox Canyon RD
CrossesCoachella Canal
Location0.5 MI Ne/O Garfield ST
RouteCounty Highway 0
Coordinates33.57394, -116.00183
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.8 US tons
Inventory rating15.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length63 ft (19.2 m)
Longest span34 ft (10.4 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic721 (2014)
Projected traffic624 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 Box Canyon RD over Coachella Canal built?

It was built in 1947, making it 78 years old in 2025.

What condition is Box Canyon RD over Coachella 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 2024.

How much traffic does Box Canyon RD over Coachella Canal carry?

About 721 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Box Canyon RD over Coachella Canal?

The structure is 63 ft (19.2 m) long with a longest span of 34 ft (10.4 m) and a deck 29 ft wide.

Who owns Box Canyon RD over Coachella Canal?

It is owned by the County Highway Agency.