US Bridges

Superstition Blvd over Weeks Wash

Good

Pinal County, Arizona · 0.3 MI E of JCT Tomahawk · Structure no. 07911

Built
1991
34 years old
Condition
Good
inspected May 2021
Type
Culvert
Concrete Continuous
Length
87 ft
8 main spans
Daily traffic
3,360
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Superstition Blvd over Weeks Wash is a concrete continuous culvert carrying Superstition Blvd over Weeks Wash in Pinal 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 3,360 vehicles a day, roughly 5% of them trucks, projected to reach 3,370 by 2039. The structure is 87 ft (26.5 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSuperstition Blvd
CrossesWeeks Wash
Location0.3 MI E of JCT Tomahawk
RouteCity Street 0
CountyPinal County
StateArizona
Coordinates33.422, -111.523
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span10 ft (3 m)
Deck width57 ft (17.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,360 (2019)
Projected traffic3,370 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Superstition Blvd over Weeks Wash built?

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

What condition is Superstition Blvd over Weeks Wash 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 May 2021.

How much traffic does Superstition Blvd over Weeks Wash carry?

About 3,360 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Superstition Blvd over Weeks Wash?

The structure is 87 ft (26.5 m) long with a longest span of 10 ft (3 m) and a deck 57 ft wide.

Who owns Superstition Blvd over Weeks Wash?

It is owned by the City or Municipal Highway Agency.