US Bridges

64th ST Driveway over Drain Channel

FairPosted for load

Maricopa County, Arizona · 0.05 MI S Shea Bvd · Structure no. 09647

Built
1979
46 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
30
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

64th ST Driveway over Drain Channel is a steel stringer/multi-beam or girder carrying 64th ST Driveway over Drain Channel in Maricopa County, Arizona. It was built in 1979, so it is 46 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: posted for load restriction.

It carries about 30 vehicles a day, projected to reach 40 by 2042. The structure is 35 ft (10.7 m) long and 17 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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Carries64th ST Driveway
CrossesDrain Channel
Location0.05 MI S Shea Bvd
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.5813, -111.9434
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating16 US tons
Inventory rating10 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width17 ft (5.1 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic40 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 64th ST Driveway over Drain Channel built?

It was built in 1979, making it 46 years old in 2025.

What condition is 64th ST Driveway over Drain Channel 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 March 2024.

How much traffic does 64th ST Driveway over Drain Channel carry?

About 30 vehicles per day (2024 count).

How long is 64th ST Driveway over Drain Channel?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 17 ft wide.

Who owns 64th ST Driveway over Drain Channel?

It is owned by the City or Municipal Highway Agency.