US Bridges

FAU 8312; Ave B over West Main Canal

FairPosted for load

Yuma County, Arizona · 0.2 MI S JCT S 1st ST · Structure no. 09274

Built
1948
77 years old, rebuilt 1959
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
69 ft
3 main spans
Daily traffic
10,012
2023 count
Owner
County
County Highway Agency

About this bridge

FAU 8312; Ave B over West Main Canal is a concrete continuous slab carrying FAU 8312; Ave B over West Main Canal in Yuma County, Arizona. It was built in 1948 and reconstructed in 1959, so it is 77 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 10,012 vehicles a day, roughly 5% of them trucks, projected to reach 10,022 by 2042. The structure is 69 ft (20.9 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAU 8312; Ave B
CrossesWest Main Canal
Location0.2 MI S JCT S 1st ST
RouteCounty Highway 0
CountyYuma County
StateArizona
Coordinates32.72303, -114.65039
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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length69 ft (20.9 m)
Longest span25 ft (7.6 m)
Deck width76 ft (23.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic10,012 (2023)
Projected traffic10,022 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

OwnerCounty Highway Agency
Maintained byCounty 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 FAU 8312; Ave B over West Main Canal built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1959.

What condition is FAU 8312; Ave B over West 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 FAU 8312; Ave B over West Main Canal carry?

About 10,012 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FAU 8312; Ave B over West Main Canal?

The structure is 69 ft (20.9 m) long with a longest span of 25 ft (7.6 m) and a deck 76 ft wide.

Who owns FAU 8312; Ave B over West Main Canal?

It is owned by the County Highway Agency.