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SR 18 over Potato Creek

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

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

SR 18 over Potato Creek 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 8 (very good condition) on the 0-9 scale.
It was built in 2012, making it 13 years old at the 2025 inventory.
It carries about 3,970 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


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 403 ft
Location	4 Mi W of Barnesville
NBI structure number	000000017150370
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 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