Dimensions Sonestown Covered Bridge
the east portal , south side of bridge, posted weight , clearance limits
the following table comparison of published measurements of length, width , load recorded in different sources using different methods, name or names cited. nbi measures bridge length between backwalls of abutments or pavement grooves @ opposite ends of bridge. defines roadway width restrictive minimum distance between curbs or rails . nrhp form prepared pennsylvania historical , museum commission (phmc), surveyed county engineers, historical , covered bridge societies, , others covered bridges in commonwealth. evans visited every covered bridge in pennsylvania in 2001 and measured each bridge s length (portal portal) , width (at portal) book. data in zacher s book based on 1991 survey of covered bridges in pennsylvania phmc , pennsylvania department of transportation, aided local government , private agencies. article uses nbi , nrhp data, national programs.
Comments
Post a Comment