It's the first American arch bridge to be constructed from segments of pre-cast concrete, a highly economical material. Two graceful arches support the roadway above. Usually arch bridges employ ...
Chances are good that if you're building a model railroad ... bridges with trestle supports allowing them to cross larger gaps than would otherwise be possible, or steel bridges with concrete ...
On the Fourth of July in 1940, the York Homeplace Memorial Bridge was dedicated with great fanfare. Sgt. Alvin C. York ...