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I-285 over I-75

Cobb County, Georgia · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

I-285 over I-75 in Cobb County, Georgia, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1978, making it 47 years old at the 2025 inventory.
It carries about 164,000 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 369 of the 414 inventoried bridges in Cobb County rated good (89.1%); 0 (0.0%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 321 ft
Location	6.7 Mi SE of Marietta
NBI structure number	000000006701010
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the Georgia department of transportation.

Bridge	Built	Vehicles/day	Condition
I-75 (nbl) over M-9495 Terrell Mill Rd	1965	325,000	Good
I-75 over Poorhouse Creek	1965	325,000	Good
I-75 over Rottenwood Creek	1965	263,000	Good
I-75- Rmps- CR2038 over Poplar Creek	1963	262,000	Good
I-75 over CR 1043 Banberry Road	1965	236,000	Fair
I-75 over Roswell Road	1967	236,000	Good