Home · Ohio · Helmick Mill Covered Bridge
Helmick Mill Covered Bridge
Morgan County, Ohio · over the Island Run · built 1867
| Item | Of record | Source |
|---|---|---|
| Crosses | Island Run | National Bridge Inventory, 2025 file |
| Road carried | Township Road 269 | National Bridge Inventory, 2025 file |
| Carries | Vehicle bridge (public road) | As recorded — see access notes below |
| Year built | 1867 | National Bridge Inventory, 2025 file |
| Length | 73 ft | National Bridge Inventory structure length, out-to-out, 2025 file |
| Longest span | 73 ft | National Bridge Inventory, 2025 file |
| Vertical clearance | 10 ft 8 in | National Bridge Inventory minimum vertical clearance over the roadway, as recorded (converted from metres) |
| Coordinates | 39.71984, -81.94210 Google Maps · OpenStreetMap | National Park Service, National Register GIS |
| Historic listing | National Register of Historic Places, listed 1999-02-05 (reference #99000098) | 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) | 10.9 metric tons (about 12 US tons) |
| Vertical clearance | 10 ft 8 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.