I-75
I-75 in In N Atlanta, Fulton County, Georgia received a condition grade of B (75/100). Built in 1964, the bridge carries 183K vehicles daily on I-75 over Chattahoochee River.
I-75 carries a B on the BridgeSafety Condition Score with 75/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 1964 and is now 62 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. I-75 carries an average daily traffic count of 183,000 vehicles, with 12 lane(s) crossing Chattahoochee River. 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-75 is a 62-year-old bridge located In N Atlanta in Fulton County, Georgia. The bridge carries I-75 over Chattahoochee River with 12 traffic lanes, handling approximately 183K vehicles per day. Built in 1964 and reconstructed in 1998, the structure spans 310.9 meters.
The bridge received a Condition Grade of B (75/100) 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-75 has a Condition Score of 75/100 (Grade B). 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-75 was built in 1964 and reconstructed in 1998, making it 62 years old. The average bridge age in the United States is 48 years.
I-75 carries approximately 183K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 310.9 meters long and located on I-75 in In N Atlanta, Fulton County, Georgia.
No, I-75 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-75 is located In N Atlanta in Fulton County, Georgia. The bridge carries I-75 over Chattahoochee River. Its coordinates are 33.875489, -84.447647. It is maintained by State Highway Agency.
I-75 carries I-75 over Chattahoochee River. The bridge is 310.9 meters long and was built in 1964, with reconstruction in 1998.
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.