US Bridges

US 60 over Wash

Good

Pinal County, Arizona · 7.1 MI E JCT SR 177 · Structure no. 04140

Built
1939
86 years old
Condition
Good
inspected February 2022
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
7,553
2020 count
Owner
State
State Highway Agency

About this bridge

US 60 over Wash is a concrete continuous culvert carrying US 60 over Wash in Pinal County, Arizona. It was built in 1939, so it is 86 years old, older 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 7,553 vehicles a day, roughly 10% of them trucks, projected to reach 13,520 by 2040. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 37.3 mi (60 km).

Location

Open in Google Maps
CarriesUS 60
CrossesWash
Location7.1 MI E JCT SR 177
RouteU.S. Route 60
CountyPinal County
StateArizona
Coordinates33.34444, -111.01667
Functional classRural Principal Arterial - Other

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 inspectionFebruary 2022
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 alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length35 ft (10.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,553 (2020)
Projected traffic13,520 by 2040
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 60 over Wash built?

It was built in 1939, making it 86 years old in 2025.

What condition is US 60 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 February 2022.

How much traffic does US 60 over Wash carry?

About 7,553 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is US 60 over Wash?

The structure is 35 ft (10.7 m) long with a longest span of 12 ft (3.7 m).

Who owns US 60 over Wash?

It is owned by the State Highway Agency.