Glenwood Bridge
Encyclopedia
Cantilever bridge
A cantilever bridge is a bridge built using cantilevers, structures that project horizontally into space, supported on only one end. For small footbridges, the cantilevers may be simple beams; however, large cantilever bridges designed to handle road or rail traffic use trusses built from...
in Pittsburgh, Pennsylvania
Pittsburgh, Pennsylvania
Pittsburgh is the second-largest city in the US Commonwealth of Pennsylvania and the county seat of Allegheny County. Regionally, it anchors the largest urban area of Appalachia and the Ohio River Valley, and nationally, it is the 22nd-largest urban area in the United States...
, which carries Pennsylvania Route 885
Pennsylvania Route 885
Pennsylvania Route 885 is a long north–south state highway in the U.S. State of Pennsylvania. It runs from Pennsylvania Route 837 in Clairton to Interstate 579 in Pittsburgh...
over the Monongahela River
Monongahela River
The Monongahela River is a river on the Allegheny Plateau in north-central West Virginia and southwestern Pennsylvania in the United States...
. It started construction on June 3, 1958 and was completed in 1966 to replace an old decayed unsafe iron bridge built in 1894 which carried Pittsburgh Railways
Pittsburgh Railways
Pittsburgh Railways was one of the predecessors of the Port Authority of Allegheny County. It had 666 PCC cars, the third largest fleet in North America. It had 68 street car routes, of which only three are used by the Port Authority as light rail routes...
streetcar tracks and vehicle traffic on a wooden deck.