US Bridges

SB L101 over US 60

Good

Maricopa County, Arizona · 4.49 MI E JCT I 10 · Structure no. 01792

Built
1977
48 years old, rebuilt 1993
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
160 ft
2 main spans
Daily traffic
67,303
2022 count
Owner
State
State Highway Agency

About this bridge

SB L101 over US 60 is a prestressed concrete continuous box beam or girders - single or spread carrying SB L101 over US 60 in Maricopa County, Arizona. It was built in 1977 and reconstructed in 1993, so it is 48 years old, older 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 67,303 vehicles a day, roughly 7% of them trucks, projected to reach 67,313 by 2042. The structure is 160 ft (48.8 m) long and 112 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSB L101
CrossesUS 60
Location4.49 MI E JCT I 10
RouteState Highway 101
CountyMaricopa County
StateArizona
Coordinates33.3855, -111.8913
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span79 ft (24.1 m)
Deck width112 ft (34 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deck19 ft (5.7 m)

Traffic and service

Average daily traffic67,303 (2022)
Projected traffic67,313 by 2042
Trucks7%
Lanes on structure5
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 SB L101 over US 60 built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 1993.

What condition is SB L101 over US 60 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 December 2023.

How much traffic does SB L101 over US 60 carry?

About 67,303 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SB L101 over US 60?

The structure is 160 ft (48.8 m) long with a longest span of 79 ft (24.1 m) and a deck 112 ft wide.

Who owns SB L101 over US 60?

It is owned by the State Highway Agency.