I - 20/59 EAST
I - 20/59 EAST in I - 20/59 / I - 20/59, Jefferson County, Alabama received a condition grade of A (81/100). Built in 2004, the bridge carries 157K vehicles daily on I - 20/59 EAST over I - 20/59 West.
I - 20/59 EAST carries an A on the BridgeSafety Condition Score with 81/100. 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 2004 and is 22 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. I - 20/59 EAST carries an average daily traffic count of 157,350 vehicles, with 4 lane(s) crossing I - 20/59 West. 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
I - 20/59 EAST is a 22-year-old bridge located I - 20/59 / I - 20/59 in Jefferson County, Alabama. The bridge carries I - 20/59 EAST over I - 20/59 West with 4 traffic lanes, handling approximately 157K vehicles per day. Built in 2004, the structure spans 125.9 meters.
The bridge received a Condition Grade of A (81/100) based on Federal Highway Administration inspection data. Its deck is rated 8/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I - 20/59 EAST has a Condition Score of 81/100 (Grade A). Its deck is rated 8/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I - 20/59 EAST was built in 2004, making it 22 years old. The average bridge age in the United States is 48 years.
I - 20/59 EAST carries approximately 157K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 125.9 meters long and located on I - 20/59 EAST in I - 20/59 / I - 20/59, 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 I - 20/59 / I - 20/59 in Jefferson County, Alabama. The bridge carries I - 20/59 EAST over I - 20/59 West. Its coordinates are 33.520556, -86.824444. It is maintained by State Highway Agency.
I - 20/59 EAST carries I - 20/59 EAST over I - 20/59 West. The bridge is 125.9 meters long and was built in 2004.
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.