This point shapefile contains the locations of bridges on the California State Highway System as of April 2015. The dataset consists of bridge attributes collected for the purpose of reporting to Federal Highway Administration. The data was extracted from the California Structure Maintenance and Investigations (SMI) database. SMI performs bridge inspections in accordance with federal regulations on over 12,000 State Highway bridges and approxiamtely 12,200 bridges owned by local agencies. ). This layer is part of a collection of GIS data created by the California Department of Transportation (Caltrans). This dataset is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production, or to provide a basemap to support graphical overlays and analysis with other spatial data. California Department of Transportation. (2015). Bridges, California State Highway System, 2015. California Department of Transportation. Available at http://purl.stanford.edu/td948by1459. Note: The dataset consists of bridge attributes collected for the purpose of reporting to Federal Highway Administration. This data was obtained on the date indicated by the file. The data was extracted from the SM&I database and may have been in the process of being modified when it was extracted. For official data attributes for each bridge, use the signed and stamped Bridge Inspection Reports stored in BIRIS (http://db2.dot.ca.gov:7777/forms/frmservlet?config=biris).
Reference: Recording and Coding Guide for the Structure Inventory and Appraisal of the Nation's Bridges (FHWA-PD-96-0001) Public data but have some limitations, such as for planning purpose only. Disclaimer: The data are made available to the public solely for informational purposes. Information provided in the Caltrans GIS Data Library is accurate to the best of our knowledge and is subject to change on a regular basis, without notice. While Office of Data Services and Technology, GIS Branch makes every effort to provide useful and accurate information, we do not warrant the information to be authoritative, complete, factual, or timely. Information is provided on an "as is" and an "as available" basis. The Department of Transportation is not liable to any party for any cost or damages, including any direct, indirect, special, incidental, or consequential damages, arising out of or in connection with the access or use of, or the inability to access or use, the Site or any of the Materials or Services described herein. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.