The Porter Hollow Embankment and Culvert, also known as the Grand Rapids and Indiana Railroad Culvert, is a stone bridge and trestle over the Stegman Creek along the White Pine Trail in Algoma Township, Michigan.
Porter Hollow was an unincorporated community along this route, about 3 miles north of Rockford.
[2] That stone bridge withstood the rigors of railroad use for nearly a century, and it is in good condition today.
The trestle is listed on the National Register of Historic Places, and is a key bridge along the White Pine Trail.
[3] The Porter Hollow embankment is a 1400-foot-long earth structure, which contains a stone arch culvert passing over Stegman Creek.