The Iowa Department of Transportation's (DOT) Structure Inventory and Inspection Management System (SIIMS) system is the single source location for entering and reviewing condition information on all Iowa bridges, both local and state owned. The system offers a variety of features and capabilities.
If you are having issues with your LOGIN TO SIIMS, please send an e-mail to
siims.support@iowadot.us
If you are having issues with SIIMS performing correctly, please fill in the Service Request form available below and send an e-mail with the completed form attached to siims.support@iowadot.us
SIIMS Service Request Template
Please also see the Resources and Information page for the items listed below.
SIIMS SNBI Training
SNBI Implementation SNBI Training Video
The training for SIIMS provided in 2023 is available. SIIMS Training Recording
Documentation for the updates to SIIMS from June 2023 is available. SIIMS June Updates