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I-575 Managed Lane over Towne Lake Parkway

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

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

I-575 Managed Lane over Towne Lake Parkway in Cherokee 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 2016, making it 9 years old at the 2025 inventory.
It carries about 970 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 136 of the 164 inventoried bridges in Cherokee County rated good (82.9%); 0 (0.0%) 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 188 ft
Location	0.7 Mi W of Woodstock
NBI structure number	000000005751070
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 Nbl over Clark Creek	1976	115,000	Good
I-575 (nbl ) over Noonday Creek	1982	105,000	Good
I-575 (nbl) over CR 416 Town Lake Pkwy	1982	105,000	Good
I-575 (sbl) over Sharp Mountain Creek	1985	89,100	Good
I-575 (sbl) over CSX RR - Etowah River	1982	86,500	Good
I-575 (nbl) over Little River	1982	86,000	Good