Resources Cookbooks


The National Bridge Inventory mandates that states maintain accurate records on bridge location.  Current databases are in some cases quite rudimentary, stating location in cryptic and ambiguous textual terms.  When these descriptions are translated into map locations, they can be in error by hundreds of meters.  NCRST-Infrastructure at the University of Madison-Wisconsin developed a tool, BridgeView, an extension to the popular ArcView® GIS software, to assist DOTs in their task of improving bridge location records. The user homes in on a bridge using imagery at various scales from state to local.  At the largest scale, orthophotos are overlaid with road centerlines and bridge locations from existing records, errors can be detected and adjustments made.  Clearly, with appropriate imagery resources the utility of BridgeView can be extended to DOT assets across all transportation modes, such as trans-shipment facilities, bus stops and traffic control objects such as pedestrian crossings.

BridgeView requires ArcView 3.2 from ESRI.  A version for ArcGIS 8.x is not currently planned.

The BridgeView package consists of

To request a copy of the CD, write to