Thomas Mill Covered Bridge
U.S. National Register of Historic Places
U.S. Historic district Contributing property
Philadelphia Register of Historic Places
Thomas Mill Covered Bridge in 1972
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Location	Thomas Mill Rd., Wissahickon Valley Park, Philadelphia, Pennsylvania
Coordinates	40°04′19″N 75°13′32″W / 40.07187°N 75.22559°W / 40.07187; -75.22559
Built	1855
MPS	Covered Bridges of the Delaware River Watershed TR
NRHP reference No.	80003621[1]
Added to NRHP	December 1, 1980

The Thomas Mill Covered Bridge, aka the Thomas Mill Bridge or the Thomas Mill Road Covered Bridge, is a historic, single-span, wooden covered bridge across the Wissahickon Creek in Wissahickon Valley Park in Northwest Philadelphia, Pennsylvania.

The only remaining covered bridge in Philadelphia and the only covered bridge in a major American city, it was listed on the National Register of Historic Places in 1980.

This 86.5-foot-long (26.4 m), 18.66-foot-wide (5.69 m), Howe truss bridge was built in 1855. It was renovated by the Works Progress Administration in 1939, and by the city of Philadelphia in 2000.^[2]

It is the only remaining covered bridge in Philadelphia and is the only covered bridge in a major US city. It was listed on the National Register of Historic Places in 1980. It is a Contributing Property of the Chestnut Hill Historic District.

The bridge is open to pedestrian and bicycle traffic.

• 
  Bridge in 2010
• 
  HABS drawing

• Media related to Thomas Mill Covered Bridge at Wikimedia Commons
• Historic American Buildings Survey (HABS) No. PA-19, "Covered Bridge, Thomas Mill Road (Spanning Wissahickon Creek), Philadelphia, Philadelphia County, PA", 2 photos, 1 color transparency, 2 measured drawings, 2 photo caption pages
• Article at Drexel University
• "A Bridge Too Old", by Amy Choi, Philadelphia Citypaper, August 27–September 3, 1998
• Thomas Mill Covered Bridge data from the Philadelphia Architects and Buildings (PAB) project of the Athenaeum of Philadelphia
• Listing and photographs at BridgeHunter.com
• Wood, Stone, and Steel: Bridges in the Wissahickon, Friends of the Wissahickon