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Keith Bridge Road over SR 400 (US 19)

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

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

Keith Bridge Road over SR 400 (US 19) in Forsyth County, Georgia, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1979, making it 46 years old at the 2025 inventory.
It carries about 22,900 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 13 of the 97 inventoried bridges in Forsyth County rated fair (13.4%); 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	Continuous prestressed concrete multiple box beam
Length	about 299 ft
Location	4 Mi NE of Cumming
NBI structure number	000000011700140
Condition class	Fair

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