US Bridges

US 60 over Drainage Channel

Good

Maricopa County, Arizona · 21.0 MI E JCT I-10 · Structure no. 06915

Built
1990
35 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
97,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 60 over Drainage Channel is a concrete continuous culvert carrying US 60 over Drainage Channel in Maricopa County, Arizona. It was built in 1990, so it is 35 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 97,000 vehicles a day, roughly 7% of them trucks, projected to reach 97,010 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesUS 60
CrossesDrainage Channel
Location21.0 MI E JCT I-10
RouteU.S. Route 60
CountyMaricopa County
StateArizona
Coordinates33.3866, -111.6048
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2022
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 spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97,000 (2020)
Projected traffic97,010 by 2040
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$2,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 60 over Drainage Channel built?

It was built in 1990, making it 35 years old in 2025.

What condition is US 60 over Drainage Channel 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 January 2022.

How much traffic does US 60 over Drainage Channel carry?

About 97,000 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is US 60 over Drainage Channel?

The structure is 23 ft (7 m) long with a longest span of 8 ft (2.4 m).

Who owns US 60 over Drainage Channel?

It is owned by the State Highway Agency.