US Bridges

I 17; Efr & Wfr over Arizona Canal

Fair

Maricopa County, Arizona · 6.5 MI N JCT US 60 · Structure no. 00796

Built
1947
78 years old, rebuilt 1986
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
52 ft
3 main spans
Daily traffic
205,563
2022 count
Owner
State
State Highway Agency

About this bridge

I 17; Efr & Wfr over Arizona Canal is a concrete continuous slab carrying I 17; Efr & Wfr over Arizona Canal in Maricopa County, Arizona. It was built in 1947 and reconstructed in 1986, so it is 78 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 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 205,563 vehicles a day, roughly 8% of them trucks, projected to reach 205,573 by 2042. The structure is 52 ft (15.8 m) long and 260 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesI 17; Efr & Wfr
CrossesArizona Canal
Location6.5 MI N JCT US 60
RouteInterstate 17
CountyMaricopa County
StateArizona
Coordinates33.5709, -112.1173
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span20 ft (6.1 m)
Deck width260 ft (79.1 m)
Roadway width247 ft (75.4 m)
Vertical clearance over deck38 ft (11.6 m)

Traffic and service

Average daily traffic205,563 (2022)
Projected traffic205,573 by 2042
Trucks8%
Lanes on structure12
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I 17; Efr & Wfr over Arizona Canal built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1986.

What condition is I 17; Efr & Wfr over Arizona 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 September 2024.

How much traffic does I 17; Efr & Wfr over Arizona Canal carry?

About 205,563 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is I 17; Efr & Wfr over Arizona Canal?

The structure is 52 ft (15.8 m) long with a longest span of 20 ft (6.1 m) and a deck 260 ft wide.

Who owns I 17; Efr & Wfr over Arizona Canal?

It is owned by the State Highway Agency.