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L. Dug Gap Road over Swamp Creek

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

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

L. Dug Gap Road over Swamp Creek in Whitfield County, Georgia, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1981, making it 44 years old at the 2025 inventory.
It carries about 4,150 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 55 of the 130 inventoried bridges in Whitfield County rated fair (42.3%); 6 (4.6%) 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	Steel stringer or multi-beam girder
Length	about 116 ft
Location	8 Mi SW of Dalton
NBI structure number	000000031350040
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-75 over Mill Creek	1964	88,100	Good
I-75 over M-1506- CSX RR (340554R)	1964	88,100	Fair
I-75 over Tanyard Creek Trib	1963	88,100	Fair
I-75 over SR 201	1963	88,100	Fair
I-75 over SR 3 (US 41)	2017	85,100	Good
I-75 over Swamp Creek	1961	78,600	Good