US Bridges

101 L over Scottsdale Road

Good

Maricopa County, Arizona · 4.5 MI E JCT SR 51 · Structure no. 01457

Built
2001
24 years old, rebuilt 2020
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
236 ft
2 main spans
Daily traffic
121,592
2021 count
Owner
State
State Highway Agency

About this bridge

101 L over Scottsdale Road is a prestressed concrete continuous box beam or girders - single or spread carrying 101 L over Scottsdale Road in Maricopa County, Arizona. It was built in 2001 and reconstructed in 2020, so it is 24 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 121,592 vehicles a day, roughly 7% of them trucks, projected to reach 121,602 by 2041. The structure is 236 ft (71.9 m) long and 169 ft wide.

Location

Open in Google Maps
Carries101 L
CrossesScottsdale Road
Location4.5 MI E JCT SR 51
RouteState Highway 101
CountyMaricopa County
StateArizona
Coordinates33.6583, -111.9257
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 inspectionOctober 2024
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 rating65 US tons
Inventory rating39 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length236 ft (71.9 m)
Longest span115 ft (35.1 m)
Deck width169 ft (51.5 m)
Roadway width163 ft (49.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121,592 (2021)
Projected traffic121,602 by 2041
Trucks7%
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 101 L over Scottsdale Road built?

It was built in 2001, making it 24 years old in 2025. It was reconstructed in 2020.

What condition is 101 L over Scottsdale 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 October 2024.

How much traffic does 101 L over Scottsdale Road carry?

About 121,592 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is 101 L over Scottsdale Road?

The structure is 236 ft (71.9 m) long with a longest span of 115 ft (35.1 m) and a deck 169 ft wide.

Who owns 101 L over Scottsdale Road?

It is owned by the State Highway Agency.