US Bridges

Superstition Blvd over Wash

Good

Pinal County, Arizona · 0.50 MI E of Mtn View RD · Structure no. 07830

Built
1991
34 years old
Condition
Good
inspected October 2023
Type
Culvert
Steel
Length
40 ft
6 main spans
Daily traffic
1,347
2022 count
Owner
County
County Highway Agency

About this bridge

Superstition Blvd over Wash is a steel culvert carrying Superstition Blvd over 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 1,347 vehicles a day, roughly 1% of them trucks, projected to reach 1,357 by 2042. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSuperstition Blvd
CrossesWash
Location0.50 MI E of Mtn View RD
RouteCounty Highway 0
CountyPinal County
StateArizona
Coordinates33.4224, -111.4864
Functional classUrban Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating41 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans6
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,347 (2022)
Projected traffic1,357 by 2042
Trucks1%
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

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 Superstition Blvd over Wash built?

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

What condition is Superstition Blvd over 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 October 2023.

How much traffic does Superstition Blvd over Wash carry?

About 1,347 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Superstition Blvd over Wash?

The structure is 40 ft (12.2 m) long with a longest span of 5 ft (1.5 m).

Who owns Superstition Blvd over Wash?

It is owned by the County Highway Agency.