US Bridges

Rockwood Ave over All American Canal

Fair

Imperial County, California · 0.5 MI N/O SR 98 · Structure no. 58C0096

Built
1973
52 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
127 ft
4 main spans
Daily traffic
2,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Rockwood Ave over All American Canal is a concrete continuous slab carrying Rockwood Ave over All American Canal in Imperial County, California. It was built in 1973, so it is 52 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 2,000 vehicles a day, roughly 1% of them trucks, projected to reach 2,137 by 2045. The structure is 127 ft (38.7 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRockwood Ave
CrossesAll American Canal
Location0.5 MI N/O SR 98
RouteCity Street 0
CountyImperial County
StateCalifornia
Coordinates32.68621, -115.49606
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
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 inspectionDecember 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.7 US tons
Inventory rating56.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span31 ft (9.4 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2023)
Projected traffic2,137 by 2045
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Rockwood Ave over All American Canal built?

It was built in 1973, making it 52 years old in 2025.

What condition is Rockwood Ave 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 December 2023.

How much traffic does Rockwood Ave over All American Canal carry?

About 2,000 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Rockwood Ave over All American Canal?

The structure is 127 ft (38.7 m) long with a longest span of 31 ft (9.4 m) and a deck 52 ft wide.

Who owns Rockwood Ave over All American Canal?

It is owned by the City or Municipal Highway Agency.