Avenue 45E over Mohawk Canal

Fair

Yuma County, Arizona · 1.3 MI N JCT Old US 80 · Structure no. 09487

Built: 1969; 56 years old
Condition: Fair; inspected March 2024
Type: Tee Beam; Prestressed Concrete
Length: 80 ft; 2 main spans
Daily traffic: 278; 2024 count
Owner: County; County Highway Agency

About this bridge

Avenue 45E over Mohawk Canal is a prestressed concrete tee beam carrying Avenue 45E over Mohawk Canal in Yuma County, Arizona. It was built in 1969, so it is 56 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 5 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 278 vehicles a day, roughly 5% of them trucks, projected to reach 288 by 2042. The structure is 80 ft (24.4 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesAvenue 45E

CrossesMohawk Canal

Location1.3 MI N JCT Old US 80

RouteCounty Highway 0

CountyYuma County

StateArizona

Coordinates32.72881, -113.8672

Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionMarch 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry6: Equal to present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating64 US tons

Inventory rating28 US tons

Structure

Structure typeTee Beam

MaterialPrestressed Concrete

DeckConcrete, cast-in-place

Main spans2

Design loadHS 20 + Mod

Structure length80 ft (24.4 m)

Longest span40 ft (12.2 m)

Deck width32 ft (9.8 m)

Roadway width30 ft (9.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic278 (2024)

Projected traffic288 by 2042

Trucks5%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed3.1 mi (5 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 45E over Mohawk Canal built?

It was built in 1969, making it 56 years old in 2025.

What condition is Avenue 45E over Mohawk 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 2024.

How much traffic does Avenue 45E over Mohawk Canal carry?

About 278 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Avenue 45E over Mohawk Canal?

The structure is 80 ft (24.4 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns Avenue 45E over Mohawk Canal?

It is owned by the County Highway Agency.