SR101L
SR101L in Miller Road & Sr101, Maricopa County, Arizona received a condition grade of A (89/100). Built in 2020, the bridge carries 160K vehicles daily on SR101L over Miller RD.
SR101L carries an A on the BridgeSafety Condition Score with 89/100. Deck, superstructure, and substructure ratings all sit in the better tier of the FHWA NBI distribution. The bridge is structurally sound by federal standards.
The bridge was built in 2020 and is 6 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. SR101L carries an average daily traffic count of 160,096 vehicles, with 8 lane(s) crossing Miller RD. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
Component Ratings
The riding surface, evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
SR101L is a 6-year-old bridge located Miller Road & Sr101 in Maricopa County, Arizona. The bridge carries SR101L over Miller RD with 8 traffic lanes, handling approximately 160K vehicles per day. Built in 2020, the structure spans 28 meters.
The bridge received a Condition Grade of A (89/100) based on Federal Highway Administration inspection data. Its deck is rated 8/9 (good), superstructure 8/9 (good), and substructure 8/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
SR101L has a Condition Score of 89/100 (Grade A). Its deck is rated 8/9, superstructure 8/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.
SR101L was built in 2020, making it 6 years old. The average bridge age in the United States is 48 years.
SR101L carries approximately 160K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 28 meters long and located on SR101L in Miller Road & Sr101, Maricopa County, Arizona.
No, SR101L is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
SR101L is located Miller Road & Sr101 in Maricopa County, Arizona. The bridge carries SR101L over Miller RD. Its coordinates are 33.656300, -111.915700. It is maintained by State Highway Agency.
SR101L carries SR101L over Miller RD. The bridge is 28 meters long and was built in 2020.
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.