Assertion: bridge's deck | /r/HasProperty | constructed
Facets:
value: because of increasing traffic flow
type: CAUSE
value: beneath the existing span
type: LOCATION
value: from 1958
type: TEMPORAL
Source sentences:
text: The six-lane lower deck was constructed beneath the existing span from 1958 to 1962 because of increasing traffic flow.
text: In addition to providing extra capacity, the lower level served to stiffen the bridge in high winds; before the lower deck was constructed, the George Washington Bridge was known to swing up to 30 inches (76 cm).