Grant Mills Covered Bridge
| Grant Mills Bridge | |
|---|---|
South portal, 2008
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| Coordinates | 42°04′49″N 74°38′12″W / 42.0804°N 74.6367°W |
| Carries | Pedestrians |
| Crosses | Mill Brook |
| Locale | Hardenburgh, NY, USA |
| Official name | Millbrook Bridge |
| Other name(s) | Marks' Bridge |
| Maintained by | Town of Hardenburgh |
| Heritage status | NRHP #98001538 |
| Characteristics | |
| Design | Town lattice truss covered bridge |
| Total length | 69 1⁄2 feet (21.2 m) |
| Width | 13 feet 10 inches (4.22 m) |
| Height | 11 feet (3.4 m) |
| History | |
| Constructed by | Edgar and Orrin Marks |
| Construction end | 1902 |
| Opened | 1902 |
| Closed | 1964 |
| Statistics | |
| Daily traffic | n/a |
The Grant Mills Bridge, officially the Millbrook Bridge, is a wooden covered bridge over Mill Brook in Hardenburgh, New York, United States. It is one of 29 covered bridges in the state.
It was built in 1902 by a pair of local builders in the lattice truss design perfected early in the previous century by Ithiel Town. It was taken out of service in 1964 when Mill Brook Road was relocated a short distance to the south, but remains in excellent condition and is open to foot traffic. In 1999, it was listed on the National Register of Historic Places.
The bridge is located on the west corner of the junction of Mill Brook and Fred Davis roads a short distance east of the Delaware County line. The area is wooded, just under 1,900 feet (580 m) in elevation with the ground sloping gently to the northeast. It spans the brook, a tributary of the East Branch of the Delaware River that drains into New York City's Pepacton Reservoir, just to the west of a more modern bridge carrying vehicle traffic.
It is a single span, 69 1⁄2 feet (21.2 m) in length, supported by rough abutments of dry-laid fieldstone. Its superstructure incorporates the Town lattice truss design. Both chords and the diagonals, connected by wood pins at each intersection, are formed by heavy paired planks. Planks laid on stringers form the deck; alternating timbers protrude to create a series of four buttresses on the sides of the bridge. Vertical board sheathing on horizontal nailers constitutes the bridge's siding; the roof and buttresses are clad in wood shingles.
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