I-285
I-285 in 2.7 MI S Of Clarkston, DeKalb County, Georgia received a condition grade of B (73/100). Built in 1966, the bridge carries 195K vehicles daily on I-285 over M-9011 N. Decatur Road.
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-285 is a 60-year-old bridge located 2.7 MI S Of Clarkston in DeKalb County, Georgia. The bridge carries I-285 over M-9011 N. Decatur Road with 8 traffic lanes, handling approximately 195K vehicles per day. Built in 1966 and reconstructed in 1981, the structure spans 52.1 meters.
The bridge received a Condition Grade of B (73/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (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-285 has a Condition Score of 73/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-285 was built in 1966 and reconstructed in 1981, making it 60 years old. The average bridge age in the United States is 48 years.
I-285 carries approximately 195K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 52.1 meters long and located on I-285 in 2.7 MI S Of Clarkston, DeKalb County, Georgia.
No, I-285 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-285 is located 2.7 MI S Of Clarkston in DeKalb County, Georgia. The bridge carries I-285 over M-9011 N. Decatur Road. Its coordinates are 33.786972, -84.246339. It is maintained by State Highway Agency.
I-285 carries I-285 over M-9011 N. Decatur Road. The bridge is 52.1 meters long and was built in 1966, with reconstruction in 1981.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.