US Bridges

Lake Pleasant Road over Cap Canal

Fair

Maricopa County, Arizona · 1.5 MI S Carefree HWY · Structure no. 09680

Built
1980
45 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
90 ft
2 main spans
Daily traffic
4,525
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lake Pleasant Road over Cap Canal is a prestressed concrete stringer/multi-beam or girder carrying Lake Pleasant Road over Cap Canal in Maricopa County, Arizona. It was built in 1980, so it is 45 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 4,525 vehicles a day, roughly 5% of them trucks, projected to reach 4,535 by 2042. The structure is 90 ft (27.4 m) long and 83 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesLake Pleasant Road
CrossesCap Canal
Location1.5 MI S Carefree HWY
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.77948, -112.24722
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span44 ft (13.4 m)
Deck width83 ft (25.4 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,525 (2023)
Projected traffic4,535 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Lake Pleasant Road over Cap Canal built?

It was built in 1980, making it 45 years old in 2025.

What condition is Lake Pleasant Road 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 Lake Pleasant Road over Cap Canal carry?

About 4,525 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Lake Pleasant Road over Cap Canal?

The structure is 90 ft (27.4 m) long with a longest span of 44 ft (13.4 m) and a deck 83 ft wide.

Who owns Lake Pleasant Road over Cap Canal?

It is owned by the City or Municipal Highway Agency.