I-285
I-285 in 7 MI SE Of Marietta, Cobb County, Georgia received a condition grade of B (63/100). Built in 1962, the bridge carries 211K vehicles daily on I-285 over Chattahoochee River.
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 64-year-old bridge located 7 MI SE Of Marietta in Cobb County, Georgia. The bridge carries I-285 over Chattahoochee River with 12 traffic lanes, handling approximately 211K vehicles per day. Built in 1962 and reconstructed in 1994, the structure spans 239.3 meters.
The bridge received a Condition Grade of B (63/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-285 has a Condition Score of 63/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-285 was built in 1962 and reconstructed in 1994, making it 64 years old. The average bridge age in the United States is 48 years.
I-285 carries approximately 211K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 239.3 meters long and located on I-285 in 7 MI SE Of Marietta, Cobb 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 7 MI SE Of Marietta in Cobb County, Georgia. The bridge carries I-285 over Chattahoochee River. Its coordinates are 33.901742, -84.442392. It is maintained by State Highway Agency.
I-285 carries I-285 over Chattahoochee River. The bridge is 239.3 meters long and was built in 1962, with reconstruction in 1994.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.