Pittsburgh,PA ? No, and instead of WAG, try data. It's Texas by a long shot. http://obr.gcnpublishing.com/articles/nov05c.htm
The city of Pittsburgh, PA has 446 bridges. Some of its major bridges are the Fort Pitt Bridge, the Panhandle Bridge, the Smithfield Street Bridge, and the Liberty Bridge.
World Guide to Covered Bridges was created in 1953.
There are 32 of them.
The picture of the bridges at the beginning of the show are the bridges leading into Harrisburg shot from a park in Lemoyne PA
56%of pa is covered is forests
It is not known. The Romans must have built thousands of bridges because the empire was massive, it covered many mountain areas and it was crossed by many rivers. The bridges were built by the Romans, not the Roman Empire.
Susan M. Zacher has written: 'The covered bridges of Pennsylvania' -- subject(s): Covered bridges
Covered bridges were covered for a reason- they were made of untreated wood. The shed like cover kept rain and snow off the structural members, and made them last longer. When we began making bridges of steel, we no longer needed the covering.
Edwin Michelet Barton has written: 'The covered bridges of Columbia County, Pennsylvania' -- subject(s): Covered bridges
They were already formed but the were covered with water.
gas and tolls from brideport ct to philadelphia pa