PBS4 年
Beam bridge
A beam or "girder" bridge is the simplest and most inexpensive kind of bridge. According to Craig Finley of Finley/McNary Engineering, "they're basically the vanillas of the bridge world." ...
PBS4 年
Beam Bridge
A beam or "girder" bridge is the simplest and most inexpensive kind of bridge. According to Craig Finley of Finley/McNary Engineering, "they're basically the vanillas of the bridge world." ...
Final beam installed on Bald River Falls Bridge
TELLICO PLAINS, Tenn. (WVLT) - More progress was made on the Bald River Falls Bridge in Monroe County Wednesday. The last ...