US Bridges

Avenue 16E over Wellton-Mohawk

Fair

Yuma County, Arizona · S JCT CO 4th ST · Structure no. 07768

Built
1991
34 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
80
2024 count
Owner
County
County Highway Agency

About this bridge

Avenue 16E over Wellton-Mohawk is a prestressed concrete box beam or girders - multiple carrying Avenue 16E over Wellton-Mohawk in Yuma County, Arizona. It was built in 1991, so it is 34 years old, younger 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 90 by 2042. The structure is 41 ft (12.5 m) long and 48 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesAvenue 16E
CrossesWellton-Mohawk
LocationS JCT CO 4th ST
RouteCounty Highway 0
CountyYuma County
StateArizona
Coordinates32.76502, -114.35838
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79 US tons
Inventory rating41 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span38 ft (11.6 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic80 (2024)
Projected traffic90 by 2042
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Avenue 16E over Wellton-Mohawk built?

It was built in 1991, making it 34 years old in 2025.

What condition is Avenue 16E over Wellton-Mohawk 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 Avenue 16E over Wellton-Mohawk carry?

About 80 vehicles per day (2024 count).

How long is Avenue 16E over Wellton-Mohawk?

The structure is 41 ft (12.5 m) long with a longest span of 38 ft (11.6 m) and a deck 48 ft wide.

Who owns Avenue 16E over Wellton-Mohawk?

It is owned by the County Highway Agency.