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| Author | : Pennsylvania Historical and Museum Commission |
| Publisher | : Pennsylvania Historical & Museum Commission |
| Total Pages | : 200 |
| Release | : 1987 |
| Genre | : Technology & Engineering |
| ISBN | : |
| Author | : Thomas A. Caramanico |
| Publisher | : |
| Total Pages | : 203 |
| Release | : 2009-05 |
| Genre | : |
| ISBN | : 9781422393611 |
The state of PA includes over 25,000 bridges, and the Penna. Dept. of Transp. (PennDOT) is constantly involved with the maintenance, repair, rehabilitation or replacement of highway bridges. Because PennDOT¿s responsibilities include a consideration of historic qualities in planning transportation projects, a reliable list of bridges that had historic significance was needed. A project was undertaken to survey and evaluate PA¿s bridges and to compile a list of bridges significant in the dev¿t. of PA¿s highway system and bridge engineering history. There were 180 bridges that were deemed as significant and worthy of preservation. This publication details those bridges. Extensive and detailed drawings, maps and photos.
| Author | : |
| Publisher | : |
| Total Pages | : 187 |
| Release | : 1986 |
| Genre | : |
| ISBN | : 9780892710324 |
| Author | : Economic Development Council of Northeastern Pennsylvania |
| Publisher | : |
| Total Pages | : 16 |
| Release | : 1987 |
| Genre | : Historic bridges |
| ISBN | : |
| Author | : Fred J. Moll |
| Publisher | : Arcadia Publishing |
| Total Pages | : 142 |
| Release | : 2007 |
| Genre | : History |
| ISBN | : 9780738549941 |
PennsylvaniaA[a¬a[s Historic Bridges examines the development of different types of bridge structures across Pennsylvania through the world of postcards, many of which are from the early 1900s. The structures featured are constructed from various materials and in a multitude of styles. Also found within these pages are several postcards of pedestrian bridges, canal bridges, trolley bridges, railroad bridges, and an aqueduct.
| Author | : William H. Shank |
| Publisher | : |
| Total Pages | : 84 |
| Release | : 1980 |
| Genre | : Bridges |
| ISBN | : |
| Author | : Dwight A. Smith |
| Publisher | : |
| Total Pages | : 332 |
| Release | : 1985 |
| Genre | : Bridges |
| ISBN | : |
| Author | : Jeffrey A. Hess |
| Publisher | : |
| Total Pages | : 134 |
| Release | : 1986 |
| Genre | : Concrete bridges |
| ISBN | : |
| Author | : Fred J. Moll |
| Publisher | : Arcadia Publishing |
| Total Pages | : 130 |
| Release | : 2012 |
| Genre | : History |
| ISBN | : 0738592498 |
This book invites the reader to step back in time and imagine the days when ancestors traveled through wooden spans to reach their daily destinations. Starting in the early 1800s, Pennsylvania's rich forests provided natural material for the construction of more than 1,500 covered bridges across the state. The first covered bridge was built in 1805. Pennsylvania's Covered Bridges looks at the earliest covered bridges as well as those that have survived modern progress. Images also show rare railroad covered bridges that have been saved from destruction over the years.
| Author | : Charles K. Hyde |
| Publisher | : Wayne State University Press |
| Total Pages | : 196 |
| Release | : 1993 |
| Genre | : Bridges |
| ISBN | : 0814324487 |
Michigan's historic highway bridges are rapidly being torn down and replaced as they deteriorate or become unable to support increased traffic volumes and loads. While the state has the responsibility of providing safe bridges, historian Charles K. Hyde maintains that the state must also preserve many of these remaining historic structures to insure that future generations will have them to view and appreciate. In Historic Highway Bridges of Michigan, Hyde identifies Michigan's historically significant highway bridges within the broader contexts of American bridge design and construction in the 19th and 20th centuries. The book summarizes the improvement of highway bridge design in the United States and compares Michigan's experiences with national trends. To aid the reader interested in visiting the historic highway bridges of Michigan, regional maps show the location of bridges included in the text.
