US Bridges

16th Street over Western Canal

Fair

Maricopa County, Arizona · 0.13 MI N of Baseline RD · Structure no. 09913

Built
1985
40 years old
Condition
Fair
inspected November 2022
Type
Frame
Concrete
Length
29 ft
1 main span
Daily traffic
19,231
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

16th Street over Western Canal is a concrete frame carrying 16th Street over Western Canal in Maricopa County, Arizona. It was built in 1985, so it is 40 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 19,231 vehicles a day, roughly 5% of them trucks, projected to reach 19,241 by 2041. The structure is 29 ft (8.7 m) long and 77 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries16th Street
CrossesWestern Canal
Location0.13 MI N of Baseline RD
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.3796, -112.0473
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.9 US tons
Inventory rating35.8 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length29 ft (8.7 m)
Longest span29 ft (8.7 m)
Deck width77 ft (23.6 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,231 (2021)
Projected traffic19,241 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 16th Street over Western Canal built?

It was built in 1985, making it 40 years old in 2025.

What condition is 16th Street over Western 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 November 2022.

How much traffic does 16th Street over Western Canal carry?

About 19,231 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 16th Street over Western Canal?

The structure is 29 ft (8.7 m) long with a longest span of 29 ft (8.7 m) and a deck 77 ft wide.

Who owns 16th Street over Western Canal?

It is owned by the City or Municipal Highway Agency.