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SR 20 over SR 400 (US 19)

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

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

SR 20 over SR 400 (US 19) in Forsyth 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 1974 and reconstructed in 2005, making it 51 years old at the 2025 inventory.
It carries about 33,400 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 84 of the 97 inventoried bridges in Forsyth County rated good (86.6%); 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 326 ft
Location	1.5 Mi SE of Cumming
NBI structure number	000000011700080
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 19 (sbl) over Sawnee Creek	1975	122,000	Fair
US 19 (nbl)/ SR 40 over Big Creek	1973	89,700	Good
US 19 / SR 400 over Bagley Creek Trib.	1975	89,700	Fair
US 19 (nbl) over Sawnee Creek	1975	75,100	Fair
US 19 (sbl) / SR 4 over Big Creek	1973	73,800	Good
US 19 / SR 400 over Baldridge Creek	1979	46,000	Good