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I-285 over NS RR Spur

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

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

I-285 over NS RR Spur in Cobb County, Georgia, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1968 and reconstructed in 1983, making it 57 years old at the 2025 inventory.
It carries about 150,000 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 45 of the 414 inventoried bridges in Cobb County rated fair (10.9%); 0 (0.0%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 138 ft
Location	4.7 Mi SE of Smyrna
NBI structure number	000000006700910
Condition class	Fair

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