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SR 109 over Potato Creek Trib.

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

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

SR 109 over Potato Creek Trib. in Lamar 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 1962, making it 63 years old at the 2025 inventory.
It carries about 1,680 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 36 of the 64 inventoried bridges in Lamar County rated good (56.2%); 2 (3.1%) 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

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

Bridge	Built	Vehicles/day	Condition
I-75 over Buck Creek Trib.	1966	90,100	Good
I-75 over Buck Creek	1966	90,100	Fair
I-75 over High Falls Creek	1966	90,100	Fair
US 341 over Big Towaliga Creek	1964	15,000	Good
US 341 (nbl) over NS Railroad	1964	12,800	Fair
US 341 (nbl) over CR 74 Old Zebulon Rd	1964	12,800	Good