BridgeSafety
Maricopa County, AZ · Structure #01457

101 L

101 L in 4.5 MI E JCT SR 51, Maricopa County, Arizona received a condition grade of B (78/100). Built in 2001, the bridge carries 122K vehicles daily on 101 L over Scottsdale Road.

101 L carries a B on the BridgeSafety Condition Score with 78/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.

The bridge was built in 2001, making it 25 years old — past the early-life period but still well within typical service life. Routine inspections and modest repair work are normal for bridges in this age band. 101 L carries an average daily traffic count of 121,592 vehicles, with 10 lane(s) crossing Scottsdale Road. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.

B
78/100
78
Condition Score
122K
Daily Traffic
2001
Year Built
71.9m
Length

Component Ratings

DeckGood
7/9

The riding surface, evaluated for cracking, spalling, and wear

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
101 L
Crosses Over
Scottsdale Road
State
Arizona
County
Maricopa County
Location
4.5 MI E JCT SR 51
Year Built
2001
Reconstructed
2020
Age
25 years
Daily Traffic
121,592
Lanes
10
Length
71.9 meters
Owner
State Highway Agency
Structure Number
01457

About This Bridge

101 L is a 25-year-old bridge located 4.5 MI E JCT SR 51 in Maricopa County, Arizona. The bridge carries 101 L over Scottsdale Road with 10 traffic lanes, handling approximately 122K vehicles per day. Built in 2001 and reconstructed in 2020, the structure spans 71.9 meters.

The bridge received a Condition Grade of B (78/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

4.5 MI E JCT SR 51, Maricopa County, Arizona

33.658300, -111.925700

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Frequently Asked Questions

101 L has a Condition Score of 78/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

101 L was built in 2001 and reconstructed in 2020, making it 25 years old. The average bridge age in the United States is 48 years.

101 L carries approximately 122K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 71.9 meters long and located on 101 L in 4.5 MI E JCT SR 51, Maricopa County, Arizona.

No, 101 L is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

101 L is located 4.5 MI E JCT SR 51 in Maricopa County, Arizona. The bridge carries 101 L over Scottsdale Road. Its coordinates are 33.658300, -111.925700. It is maintained by State Highway Agency.

101 L carries 101 L over Scottsdale Road. The bridge is 71.9 meters long and was built in 2001, with reconstruction in 2020.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.

Source: FHWA National Bridge Inventory, 2026.