Assertion: covered bridge | /r/HasProperty | built by timothy palmer
Facets:
value: in 1806
type: TEMPORAL
value: over the schuylkill river at philadelphia
type: LOCATION
Source sentences:
text: The first long covered bridge in America, with a 55-metre (180-foot) centre span, was built by Timothy Palmer, a Massachusetts millwright, over the Schuylkill River at Philadelphia in 1806.