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Third District Roa over South Prong Creek

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

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

Third District Roa over South Prong Creek in Dooly 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 1977, making it 48 years old at the 2025 inventory.
It carries about 170 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 58 of the 73 inventoried bridges in Dooly County rated good (79.5%); 1 (1.4%) 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 channel beam
Length	about 80 ft
Location	2.7 Mi S of Unadilla
NBI structure number	000000009300510
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 Pennahatchee Creek	1960	57,000	Good
I-75 over Camp Creek	1961	56,100	Good
I-75 over Sandy Mount Creek	1960	55,200	Good
I-75 over South Prong Creek Trib	1961	55,200	Good
I-75 over Nfs Railroad	1961	55,200	Fair
I-75 over SR 7 (US 41) Exit 120	1961	55,200	Good