I-20
I-20 in 2.5 MI SW Lithonia, DeKalb County, Georgia received a condition grade of A (81/100). Built in 2004, the bridge carries 141K vehicles daily on I-20 over Lithonia Industrial BLVD.
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 is a 22-year-old bridge located 2.5 MI SW Lithonia in DeKalb County, Georgia. The bridge carries I-20 over Lithonia Industrial BLVD with 6 traffic lanes, handling approximately 141K vehicles per day. Built in 2004, the structure spans 64.9 meters.
The bridge received a Condition Grade of A (81/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 8/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-20 has a Condition Score of 81/100 (Grade A). Its deck is rated 7/9, superstructure 8/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-20 was built in 2004, making it 22 years old. The average bridge age in the United States is 48 years.
I-20 carries approximately 141K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 64.9 meters long and located on I-20 in 2.5 MI SW Lithonia, DeKalb County, Georgia.
No, I-20 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 is located 2.5 MI SW Lithonia in DeKalb County, Georgia. The bridge carries I-20 over Lithonia Industrial BLVD. Its coordinates are 33.703503, -84.130814. It is maintained by State Highway Agency.
I-20 carries I-20 over Lithonia Industrial BLVD. The bridge is 64.9 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.