I55 SB
I55 SB in I55 / SR 3 JCT, Shelby County, Tennessee received a condition grade of C (59/100). Built in 1960, the bridge carries 132K vehicles daily on I55 SB over I-55 S.B. / SR-3.
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
I55 SB is a 66-year-old bridge located I55 / SR 3 JCT in Shelby County, Tennessee. The bridge carries I55 SB over I-55 S.B. / SR-3 with 4 traffic lanes, handling approximately 132K vehicles per day. Built in 1960 and reconstructed in 2001, the structure spans 61.3 meters.
The bridge received a Condition Grade of C (59/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 6/9 (fair), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I55 SB has a Condition Score of 59/100 (Grade C). Its deck is rated 6/9, superstructure 6/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
I55 SB was built in 1960 and reconstructed in 2001, making it 66 years old. The average bridge age in the United States is 48 years.
I55 SB carries approximately 132K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 61.3 meters long and located on I55 SB in I55 / SR 3 JCT, Shelby County, Tennessee.
No, I55 SB is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I55 SB is located I55 / SR 3 JCT in Shelby County, Tennessee. The bridge carries I55 SB over I-55 S.B. / SR-3. Its coordinates are 35.063222, -90.022889. It is maintained by State Highway Agency.
I55 SB carries I55 SB over I-55 S.B. / SR-3. The bridge is 61.3 meters long and was built in 1960, with reconstruction in 2001.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.