Structure Inventory and Inspection Management System (SIIMS)
The Iowa DOT Structure Inventory and Inspection Management System (SIIMS) is the single source location for entering and reviewing condition information on all Iowa bridges, both local and state owned.
Login process for SIIMS has changed
The login process for SIIMS has changed to Bentley IMS only. This is a Single Sign On service and requires that your account is registered. Please follow the instructions below.
Asset Management for Federal Submittal
In order to have an accurate 2025 asset inventory for the annual federal submittal, replaced or removed structures are not archived from now until the submittal is completed and approved in the spring of 2026.
These structures will be archived and removed from the SIIMS in-service inventory shortly after the submittal is approved.
Access SIIMS
-
Login to SIIMS
We perform audits to manage the number of active users. Users who haven't logged in for five years will be deleted.
-
Update SIIMS account
Update contact information, appropriate roles and asset security for the application.
-
Register as a new user
Are you a new SIIMS user? Get set up with a new account.
Need help?
Notifications
SIIMS Updates
Sign up to receive email updates about the Structure Inventory and Inspection Management System (SIIMS).