US Bridges

US 60 over Wash

Good

Maricopa County, Arizona · 7.6 MI E JCT SR 74 · Structure no. 04099

Built
1934
91 years old, rebuilt 1979
Condition
Good
inspected November 2021
Type
Culvert
Concrete Continuous
Length
74 ft
6 main spans
Daily traffic
12,740
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 Maricopa County, Arizona. It was built in 1934 and reconstructed in 1979, so it is 91 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 12,740 vehicles a day, roughly 27% of them trucks, projected to reach 12,750 by 2040. The structure is 74 ft (22.6 m) long and 216 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUS 60
CrossesWash
Location7.6 MI E JCT SR 74
RouteU.S. Route 60
StateArizona
Coordinates33.7863, -112.5395
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 inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans6
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span10 ft (3 m)
Deck width216 ft (65.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,740 (2020)
Projected traffic12,750 by 2040
Trucks27%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 60 over Wash built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1979.

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 November 2021.

How much traffic does US 60 over Wash carry?

About 12,740 vehicles per day (2020 count), of which roughly 27% are trucks.

How long is US 60 over Wash?

The structure is 74 ft (22.6 m) long with a longest span of 10 ft (3 m) and a deck 216 ft wide.

Who owns US 60 over Wash?

It is owned by the State Highway Agency.