Dauphin County Bridge No. 27, also known as Seaman Bridge, is a historic iron truss bridge spanning

Mahantango Creek Mahantango Creek is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed August 8, 2011 tributary of the Susquehanna River in Dauphin County, Pennsylvania, Dauphin, Northumberland County, P ...

at Mifflin Township, Dauphin County, Pennsylvania and Lower Mahanoy Township, Northumberland County, Pennsylvania. It has a single span, . The bridge was constructed in 1896, by the Chambersburg Bridge Company, Chambersburg, Pennsylvania. The bridge was closed to vehicular traffic in 1978. After petitions from local residents, it was reopened, but closed again to vehicular traffic in 1983 and to pedestrian traffic in 1992 due to deterioration. ''Note:'' This includes It was added to the National Register of Historic Places in 1993. Deibler's Mill bridge over Mahantango Creek.jpg, Replacement bridge

References

{{NRHP bridges Road bridges on the National Register of Historic Places in Pennsylvania Bridges completed in 1896 Bridges in Dauphin County, Pennsylvania Bridges in Northumberland County, Pennsylvania National Register of Historic Places in Dauphin County, Pennsylvania Iron bridges in the United States Truss bridges in the United States