US Bridges

1st Street over East Main Canal

FairPosted for load

Yuma County, Arizona · 0.5 MI W JCT 4th Ave · Structure no. 09337

Built
1935
90 years old, rebuilt 1959
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
122 ft
5 main spans
Daily traffic
11,708
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

1st Street over East Main Canal is a concrete continuous slab carrying 1st Street over East Main Canal in Yuma County, Arizona. It was built in 1935 and reconstructed in 1959, so it is 90 years old, older than the Arizona average of 47.8 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 11,708 vehicles a day, roughly 5% of them trucks, projected to reach 11,718 by 2042. The structure is 122 ft (37.2 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries1st Street
CrossesEast Main Canal
Location0.5 MI W JCT 4th Ave
RouteCity Street 0
StateArizona
Coordinates32.72519, -114.63356
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span26 ft (7.9 m)
Deck width76 ft (23.1 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic11,708 (2023)
Projected traffic11,718 by 2042
Trucks5%
Lanes on structure5
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 1st Street over East Main Canal built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1959.

What condition is 1st Street over East 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 March 2024.

How much traffic does 1st Street over East Main Canal carry?

About 11,708 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is 1st Street over East Main Canal?

The structure is 122 ft (37.2 m) long with a longest span of 26 ft (7.9 m) and a deck 76 ft wide.

Who owns 1st Street over East Main Canal?

It is owned by the City or Municipal Highway Agency.