US Bridges

S Avenue C over Ycwua East Main Canal

Fair

Yuma County, Arizona · Avenue C over Ycwua East · Structure no. 0304-0031

Built
1950
75 years old
Condition
Fair
inspected March 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
54 ft
1 main span
Daily traffic
80
2017 count
Owner
Federal
Bureau of Reclamation

About this bridge

S Avenue C over Ycwua East Main Canal is a steel continuous girder and floorbeam system carrying S Avenue C over Ycwua East Main Canal in Yuma County, Arizona. It was built in 1950, so it is 75 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 6 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 80 vehicles a day, projected to reach 150 by 2037. The structure is 54 ft (16.5 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS Avenue C
CrossesYcwua East Main Canal
LocationAvenue C over Ycwua East
RouteCity Street 0
CountyYuma County
StateArizona
Coordinates32.6125, -114.66653
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.3 US tons
Inventory rating25.4 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length54 ft (16.5 m)
Longest span53 ft (16.2 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2017)
Projected traffic150 by 2037
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 S Avenue C over Ycwua East Main Canal built?

It was built in 1950, making it 75 years old in 2025.

What condition is S Avenue C over Ycwua 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 2023.

How much traffic does S Avenue C over Ycwua East Main Canal carry?

About 80 vehicles per day (2017 count).

How long is S Avenue C over Ycwua East Main Canal?

The structure is 54 ft (16.5 m) long with a longest span of 53 ft (16.2 m) and a deck 22 ft wide.

Who owns S Avenue C over Ycwua East Main Canal?

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