Home · New Hampshire · Cornish-Windsor Covered Bridge
Cornish-Windsor Covered Bridge
Sullivan County, New Hampshire · over the Connecticut River · built 1866 · an interstate bridge, also listed from Vermont
| Item | Of record | Source |
|---|---|---|
| Crosses | Connecticut River | National Bridge Inventory, 2025 file |
| Road carried | Cornish Toll Br Rd | National Bridge Inventory, 2025 file |
| Carries | Vehicle bridge (public road) | As recorded — see access notes below |
| Year built | 1866 | National Bridge Inventory, 2025 file |
| Length | 449 ft | National Bridge Inventory structure length, out-to-out, 2025 file |
| Longest span | 203 ft | National Bridge Inventory, 2025 file |
| Vertical clearance | 9 ft 5 in | National Bridge Inventory minimum vertical clearance over the roadway, as recorded (converted from metres) |
| Coordinates | 43.47395, -72.38310 Google Maps · OpenStreetMap | National Park Service, National Register GIS |
| Historic listing | National Register of Historic Places, listed 1976-11-21 (reference #76000135) | 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 10–20% below the maximum legal load |
| Structural operating rating (not the posted limit) | 20.0 metric tons (about 22 US tons) |
| Vertical clearance | 9 ft 5 in |
Source: FHWA National Bridge Inventory, 2025 annual file; record inspected Nov 2024. The record’s inspection date is Nov 2024. 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.