US Bridges

Ave 40E over Mohawk Canal

Good

Yuma County, Arizona · 0.7 MI N JCT Old US 80 · Structure no. 07640

Built
1991
34 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
816
2023 count
Owner
County
County Highway Agency

About this bridge

Ave 40E over Mohawk Canal is a prestressed concrete box beam or girders - multiple carrying Ave 40E over Mohawk Canal 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 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 816 vehicles a day, roughly 1% of them trucks, projected to reach 826 by 2042. The structure is 59 ft (18 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesAve 40E
CrossesMohawk Canal
Location0.7 MI N JCT Old US 80
RouteCounty Highway 0
CountyYuma County
StateArizona
Coordinates32.70789, -113.95334
Functional classRural Major Collector

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.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68 US tons
Inventory rating37 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length59 ft (18 m)
Longest span56 ft (17.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic816 (2023)
Projected traffic826 by 2042
Trucks1%
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 Ave 40E over Mohawk Canal built?

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

What condition is Ave 40E over Mohawk 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 Ave 40E over Mohawk Canal carry?

About 816 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Ave 40E over Mohawk Canal?

The structure is 59 ft (18 m) long with a longest span of 56 ft (17.1 m) and a deck 32 ft wide.

Who owns Ave 40E over Mohawk Canal?

It is owned by the County Highway Agency.