US Bridges

Irr; SR 101L over Indian School Road

Good

Maricopa County, Arizona · 4.0 MI N of JCT 202 · Structure no. 02254

Built
1996
29 years old, rebuilt 2015
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
177 ft
2 main spans
Daily traffic
196,626
2023 count
Owner
State
State Highway Agency

About this bridge

Irr; SR 101L over Indian School Road is a prestressed concrete continuous box beam or girders - multiple carrying Irr; SR 101L over Indian School Road in Maricopa County, Arizona. It was built in 1996 and reconstructed in 2015, so it is 29 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 196,626 vehicles a day, roughly 9% of them trucks, projected to reach 196,636 by 2042. The structure is 177 ft (53.9 m) long and 171 ft wide.

CarriesIrr; SR 101L
CrossesIndian School Road
Location4.0 MI N of JCT 202
RouteState Highway 101
StateArizona
Coordinates33.4951, -111.888
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 rating68 US tons
Inventory rating41 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length177 ft (53.9 m)
Longest span91 ft (27.7 m)
Deck width171 ft (52 m)
Roadway width167 ft (51 m)
Vertical clearance over deck40 ft (12.2 m)

Traffic and service

Average daily traffic196,626 (2023)
Projected traffic196,636 by 2042
Trucks9%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 Irr; SR 101L over Indian School Road built?

It was built in 1996, making it 29 years old in 2025. It was reconstructed in 2015.

What condition is Irr; SR 101L over Indian School Road 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 Irr; SR 101L over Indian School Road carry?

About 196,626 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Irr; SR 101L over Indian School Road?

The structure is 177 ft (53.9 m) long with a longest span of 91 ft (27.7 m) and a deck 171 ft wide.

Who owns Irr; SR 101L over Indian School Road?

It is owned by the State Highway Agency.