US Bridges

64th Street over SR 101L

Good

Maricopa County, Arizona · 3.4 MI E JCT SR 51 · Structure no. 02774

Built
2008
17 years old, rebuilt 2020
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
277 ft
2 main spans
Daily traffic
50
2024 count
Owner
State
State Highway Agency

About this bridge

64th Street over SR 101L is a prestressed concrete continuous stringer/multi-beam or girder carrying 64th Street over SR 101L in Maricopa County, Arizona. It was built in 2008 and reconstructed in 2020, so it is 17 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 50 vehicles a day, projected to reach 60 by 2042. The structure is 277 ft (84.4 m) long and 155 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries64th Street
CrossesSR 101L
Location3.4 MI E JCT SR 51
RouteCity Street 0
StateArizona
Coordinates33.6618, -111.9426
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length277 ft (84.4 m)
Longest span135 ft (41.1 m)
Deck width155 ft (47.1 m)
Roadway width136 ft (41.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic60 by 2042
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 64th Street over SR 101L built?

It was built in 2008, making it 17 years old in 2025. It was reconstructed in 2020.

What condition is 64th Street over SR 101L 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 2025.

How much traffic does 64th Street over SR 101L carry?

About 50 vehicles per day (2024 count).

How long is 64th Street over SR 101L?

The structure is 277 ft (84.4 m) long with a longest span of 135 ft (41.1 m) and a deck 155 ft wide.

Who owns 64th Street over SR 101L?

It is owned by the State Highway Agency.