US Bridges

Williams Street over Wellton Canal

Good

Yuma County, Arizona · 0.2 MI S JCT I-8 · Structure no. 07613

Built
1990
35 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
4,584
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Williams Street over Wellton Canal is a prestressed concrete box beam or girders - multiple carrying Williams Street over Wellton Canal in Yuma County, Arizona. It was built in 1990, so it is 35 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,584 vehicles a day, roughly 5% of them trucks, projected to reach 4,594 by 2042. The structure is 48 ft (14.6 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWilliams Street
CrossesWellton Canal
Location0.2 MI S JCT I-8
RouteCity Street 0
StateArizona
Coordinates32.65874, -114.14213
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span45 ft (13.7 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic4,584 (2023)
Projected traffic4,594 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Williams Street over Wellton Canal built?

It was built in 1990, making it 35 years old in 2025.

What condition is Williams Street over Wellton Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Williams Street over Wellton Canal carry?

About 4,584 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Williams Street over Wellton Canal?

The structure is 48 ft (14.6 m) long with a longest span of 45 ft (13.7 m) and a deck 36 ft wide.

Who owns Williams Street over Wellton Canal?

It is owned by the Town or Township Highway Agency.