US Bridges

Sl 101 over Rio Salado Parkway

Good

Maricopa County, Arizona · 0.33 MI S JCT Sl 202 · Structure no. 02357

Built
1995
30 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
170 ft
1 main span
Daily traffic
128,336
2023 count
Owner
State
State Highway Agency

About this bridge

Sl 101 over Rio Salado Parkway is a prestressed concrete box beam or girders - single or spread carrying Sl 101 over Rio Salado Parkway in Maricopa County, Arizona. It was built in 1995, so it is 30 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 128,336 vehicles a day, roughly 7% of them trucks, projected to reach 128,346 by 2042. The structure is 170 ft (51.8 m) long and 145 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSl 101
CrossesRio Salado Parkway
Location0.33 MI S JCT Sl 202
RouteState Highway 101
CountyMaricopa County
StateArizona
Coordinates33.4291, -111.8911
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 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 rating43 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span164 ft (50 m)
Deck width145 ft (44.3 m)
Roadway width139 ft (42.5 m)
Vertical clearance over deck30 ft (9.1 m)

Traffic and service

Average daily traffic128,336 (2023)
Projected traffic128,346 by 2042
Trucks7%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
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 Sl 101 over Rio Salado Parkway built?

It was built in 1995, making it 30 years old in 2025.

What condition is Sl 101 over Rio Salado Parkway 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 Sl 101 over Rio Salado Parkway carry?

About 128,336 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Sl 101 over Rio Salado Parkway?

The structure is 170 ft (51.8 m) long with a longest span of 164 ft (50 m) and a deck 145 ft wide.

Who owns Sl 101 over Rio Salado Parkway?

It is owned by the State Highway Agency.