US Bridges

US 60 over Cap Canal

Fair

Maricopa County, Arizona · 22.4 MI E JCT I-10 · Structure no. 07327

Built
1985
40 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
68,213
2023 count
Owner
State
State Highway Agency

About this bridge

US 60 over Cap Canal is a concrete continuous culvert carrying US 60 over Cap Canal in Maricopa County, Arizona. It was built in 1985, so it is 40 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 68,213 vehicles a day, roughly 8% of them trucks, projected to reach 68,223 by 2042. The structure is 112 ft (34.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 60
CrossesCap Canal
Location22.4 MI E JCT I-10
RouteU.S. Route 60
StateArizona
Coordinates33.3866, -111.5806
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic68,213 (2023)
Projected traffic68,223 by 2042
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 60 over Cap Canal built?

It was built in 1985, making it 40 years old in 2025.

What condition is US 60 over Cap Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does US 60 over Cap Canal carry?

About 68,213 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 60 over Cap Canal?

The structure is 112 ft (34.1 m) long with a longest span of 24 ft (7.3 m).

Who owns US 60 over Cap Canal?

It is owned by the State Highway Agency.