Hillsgrove Covered Bridge
| Hillsgrove Covered Bridge | |
| Rinkers Covered Bridge | |
| National Register of Historic Places | |
 Hillsgrove Covered Bridge over Loyalsock Creek after restoration in 2012 (top), with flood damage in 2011 (middle), and before restoration in 2008 (bottom)
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| Official name: Hillsgrove Covered Bridge | |
| Named for: Hillsgrove Township | |
| Country | United States |
|---|---|
| State | Pennsylvania |
| County | Sullivan |
| Township | Hillsgrove |
| Road | TR 357 (single lane) |
| Crosses | Loyalsock Creek |
| Elevation | 880 ft (268 m) |
| Coordinates | 41°27′39″N 76°40′15″W / 41.46083°N 76.67083°WCoordinates: 41°27′39″N 76°40′15″W / 41.46083°N 76.67083°W |
| Length | 186 ft (57 m) |
| Width | 18.0 ft (5.5 m) |
| Clearance | 8.0 ft (2.4 m) |
| Builder | Sadler Rodgers |
| Design | Burr arch truss bridge |
| Material | Wood |
| Built | c. 1850 |
| - Restored | 1963, 2010, 2012 |
| Owned and Maintained by | Sullivan County |
| NBI Number | 567207035700040 |
| WGCB Number | 38-57-02 |
| Load | 3 tons (2.7 t) |
| Added to NRHP | July 2, 1973 |
| NRHP Ref# | 73001666 |
| MPS | Covered Bridges of Bradford, Sullivan and Lycoming Counties TR |
 Location of the Hillsgrove Covered Bridge in Pennsylvania
Location of the Hillsgrove Covered Bridge in Pennsylvania
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The Hillsgrove Covered Bridge is a Burr arch truss covered bridge over Loyalsock Creek in Hillsgrove Township, Sullivan County, in the U.S. state of Pennsylvania. It was built c. 1850 and is 186 feet (56.7 m) long. In 1973, it became the first covered bridge in the county to be placed on the National Register of Historic Places (NRHP). The bridge is named for the township and nearby unincorporated village of Hillsgrove, and is also known as Rinkers Covered Bridge for an adjoining farm.
Pennsylvania had the first covered bridge in the United States, and has had the most such bridges since the 19th century. They were a transition between stone and metal bridges, with the roof and sides protecting the wooden structure from the weather. The Hillsgrove bridge has load-bearing Burr arches sandwiching multiple vertical king posts on each side, for strength and rigidity. It was built by Sadler Rodgers, who also constructed the nearby Forksville Covered Bridge in the same year, with a similar design.
The Hillsgrove bridge is the longest of three covered bridges remaining in Sullivan County, and served as a landing site for lumber rafts on the creek between 1870 and 1890. Nineteenth-century regulations restricting speed, number of animals, and fire are still posted on the bridge. Restoration work was carried out in 1963, 1968, 2010, and again in 2012 after serious flood damage. The bridge is still in use, with average daily traffic of 54 vehicles in 2012. Despite these restorations, it had a "structurally deficient" rating in the 2012 National Bridge Inventory, with a 16.5 percent structural sufficiency rating.
The covered bridge is in Hillsgrove Township on Covered Bridge Road (Township Road 357), which is 0.1 miles (0.16 km) north of Pennsylvania Route 87 via Splash Dam Road (TR 359). The bridge crosses Loyalsock Creek 2.6 miles (4.2 km) northeast and upstream of the unincorporated village of Hillsgrove, and is just south of Elkland Township. Its official name on the NRHP is Hillsgrove Covered Bridge. It is also known as Rinkers Covered Bridge for the Rinker farm, which is located at the east end of the bridge. Sullivan County is located in north central Pennsylvania, about 123 miles (198 km) northwest of Philadelphia and 195 miles (314 km) east-northeast of Pittsburgh.
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