I - 20/59 EAST
I - 20/59 EAST in Route Interchange, Jefferson County, Alabama received a condition grade of B (60/100). Built in 1969, the bridge carries 136K vehicles daily on I - 20/59 EAST over I - 20/59 West.
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
I - 20/59 EAST is a 57-year-old bridge located Route Interchange in Jefferson County, Alabama. The bridge carries I - 20/59 EAST over I - 20/59 West with 5 traffic lanes, handling approximately 136K vehicles per day. Built in 1969 and reconstructed in 2003, the structure spans 118 meters.
The bridge received a Condition Grade of B (60/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 5/9 (fair), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I - 20/59 EAST has a Condition Score of 60/100 (Grade B). Its deck is rated 6/9, superstructure 5/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
I - 20/59 EAST was built in 1969 and reconstructed in 2003, making it 57 years old. The average bridge age in the United States is 48 years.
I - 20/59 EAST carries approximately 136K vehicles per day (average daily traffic). The bridge has 5 traffic lanes. It is 118 meters long and located on I - 20/59 EAST in Route Interchange, Jefferson County, Alabama.
No, I - 20/59 EAST is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I - 20/59 EAST is located Route Interchange in Jefferson County, Alabama. The bridge carries I - 20/59 EAST over I - 20/59 West. Its coordinates are 33.521761, -86.824561. It is maintained by State Highway Agency.
I - 20/59 EAST carries I - 20/59 EAST over I - 20/59 West. The bridge is 118 meters long and was built in 1969, with reconstruction in 2003.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.