Datasets Activity Stream About Order by Relevance Name Ascending Name Descending Last Modified Popular Go 1 dataset found Tags: Basedata Bridges. ESF1 Transportation HIFLD Filter Results Railroad Bridges Bridges-Rail in the United States According to The National Bridge Inspection Standards published in the Code of Federal Regulations (23 CFR 650.3), a bridge is: A structure... HTML Esri REST GeoJSON CSV KML ZIP