Home · Georgia · Ruff's Mill and Concord Covered Bridge
Ruff's Mill and Concord Covered Bridge
Cobb County, Georgia · over the Nickajack Creek · built 1872
| Item | Of record | Source |
|---|---|---|
| Crosses | Nickajack Creek | National Bridge Inventory, 2025 file |
| Road carried | Concord Rd (Covere | National Bridge Inventory, 2025 file |
| Carries | Vehicle bridge (public road) | As recorded — see access notes below |
| Year built | 1872 | National Bridge Inventory, 2025 file |
| Length | 117 ft | National Bridge Inventory structure length, out-to-out, 2025 file |
| Longest span | 29 ft | National Bridge Inventory, 2025 file |
| Vertical clearance | 8 ft 0 in | National Bridge Inventory minimum vertical clearance over the roadway, as recorded (converted from metres) |
| Coordinates | 33.84909, -84.55840 Google Maps · OpenStreetMap | National Park Service, National Register GIS |
| Historic listing | National Register of Historic Places, listed 1980-11-24 (reference #80001001) | National Park Service |
| How it qualifies | Listed on the National Register of Historic Places as a covered bridge | See About & method |
Access & restrictions — as recorded
Posted for load
| Posting appraisal | Operating rating more than 30% below the maximum legal load |
| Structural operating rating (not the posted limit) | 17.2 metric tons (about 19 US tons) |
| Vertical clearance | 8 ft 0 in |
Source: FHWA National Bridge Inventory, 2025 annual file. Status checked November 12, 2026. The posted limit itself is set by the owning agency and shown on signs at the bridge; it is not a field in the federal record, so it is not printed here. Postings and closures change — obey the signs at the bridge.