US Bridges

O&m Canal Roads over All-American Canal

FairPosted for load

Imperial County, California · 5 MI NE of Picacho RD · Structure no. 0304-0052

Built
1935
90 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
200 ft
5 main spans
Daily traffic
50
2012 count
Owner
Federal
Bureau of Reclamation

About this bridge

O&m Canal Roads over All-American Canal is a concrete continuous slab carrying O&m Canal Roads over All-American Canal in Imperial County, California. It was built in 1935, so it is 90 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 100 by 2035. The structure is 200 ft (61 m) long and 14 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesO&m Canal Roads
CrossesAll-American Canal
Location5 MI NE of Picacho RD
CountyImperial County
StateCalifornia
Coordinates32.83353, -114.54381
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating32.2 US tons
Inventory rating19.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 10
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width14 ft (4.4 m)
Roadway width11 ft (3.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2012)
Projected traffic100 by 2035
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byOther Local 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 O&m Canal Roads over All-American Canal built?

It was built in 1935, making it 90 years old in 2025.

What condition is O&m Canal Roads over All-American 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 April 2024.

How much traffic does O&m Canal Roads over All-American Canal carry?

About 50 vehicles per day (2012 count).

How long is O&m Canal Roads over All-American Canal?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 14 ft wide.

Who owns O&m Canal Roads over All-American Canal?

It is owned by the Bureau of Reclamation and maintained by the Other Local Agency.