US Bridges

Avenue 21E Roadway over Wellton Mohawk Main C Ch

Good

Yuma County, Arizona · 0.5 MI N JCT CO 8th ST · Structure no. 10548

Built
2008
17 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
90
2024 count
Owner
County
County Highway Agency

About this bridge

Avenue 21E Roadway over Wellton Mohawk Main C Ch is a prestressed concrete box beam or girders - multiple carrying Avenue 21E Roadway over Wellton Mohawk Main C Ch in Yuma County, Arizona. It was built in 2008, so it is 17 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 90 vehicles a day, roughly 1% of them trucks, projected to reach 100 by 2042. The structure is 50 ft (15.2 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAvenue 21E Roadway
CrossesWellton Mohawk Main C Ch
Location0.5 MI N JCT CO 8th ST
RouteCounty Highway 0
StateArizona
Coordinates32.71434, -114.27897
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span47 ft (14.3 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2024)
Projected traffic100 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Avenue 21E Roadway over Wellton Mohawk Main C Ch built?

It was built in 2008, making it 17 years old in 2025.

What condition is Avenue 21E Roadway over Wellton Mohawk Main C Ch 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 Avenue 21E Roadway over Wellton Mohawk Main C Ch carry?

About 90 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Avenue 21E Roadway over Wellton Mohawk Main C Ch?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.3 m) and a deck 36 ft wide.

Who owns Avenue 21E Roadway over Wellton Mohawk Main C Ch?

It is owned by the County Highway Agency.