US Bridges

Maintenance Road over Cap Canal

FairClosed to traffic

Maricopa County, Arizona · 0.1 MI North of Flr Rd. · Structure no. 01937

Built
1978
47 years old, rebuilt 2000
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
88 ft
1 main span
Daily traffic
10
2022 count
Owner
State
State Highway Agency

About this bridge

Maintenance Road over Cap Canal is a prestressed concrete stringer/multi-beam or girder carrying Maintenance Road over Cap Canal in Maricopa County, Arizona. It was built in 1978 and reconstructed in 2000, so it is 47 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. Its operating status is: closed to all traffic.

It carries about 10 vehicles a day, projected to reach 20 by 2042. The structure is 88 ft (26.8 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMaintenance Road
CrossesCap Canal
Location0.1 MI North of Flr Rd.
RouteState Highway 101
CountyMaricopa County
StateArizona
Coordinates33.6314, -111.8908
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span86 ft (26.2 m)
Deck width38 ft (11.7 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic20 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Maintenance Road over Cap Canal built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2000.

What condition is Maintenance 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 Maintenance Road over Cap Canal carry?

About 10 vehicles per day (2022 count).

How long is Maintenance Road over Cap Canal?

The structure is 88 ft (26.8 m) long with a longest span of 86 ft (26.2 m) and a deck 38 ft wide.

Who owns Maintenance Road over Cap Canal?

It is owned by the State Highway Agency.