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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.


Obtaining System Access:

Step 1

Each citizen of Iowa can have an A&A account for any and all applications they need that are hosted on state Web servers.

All SIIMS users will be required to have a State of Iowa Enterprise A&A account.

Register for a username and password from the State of Iowa Enterprise A&A Web site.

You will receive a confirmation of your A&A account with information to be used in Step 2.

If you currently have an Enterprise A&A account to access other State of Iowa applications, that username (first.last@iowaid) and password will be used to access SIIMS. Please complete the form(s) found under the forms section that pertain to your role with SIIMS.

Step 2

In addition to the A&A account, you must be registered with SIIMS.

After completing one of the following forms, you will receive a confirmation that your SIIMS account is active before access is available.

Bridge owner form: Bridge owners are asked to inform the Iowa DOT's Office of Bridges and Structures if they are bridge owners by filling out the bridge owner form found under the forms section. This will also allow them access to their bridges in SIIMS.

Bridge inspector form: Bridge inspection program managers and team leaders may now apply for accreditation by the Iowa DOT's Office of Bridges and Structures, to lead/conduct NBIS inspections. Certification, by the DOT, is mandatory to access SIIMS for the purpose of performing bridge inspections in Iowa. Complete the bridge inspector form found under forms. The form is available to, and may be used by staff members with county, city, state and the federal government in addition to consulting firms and private practices. A program manager is also granted load rating access.

Bridge load rating form: A professional engineer, registered in Iowa, is required to register to gain access to SIIMS for the purpose of load rating bridges. Complete the load rating form found under forms. The forms is available to, and may be used by engineers with county, city, state and the federal government in addition to consulting firms and private practices.

Bridge inspection data entry form: Any individual that will be entering data for the program manager or team leader is required to complete the data entry form found under forms.

Bridge information form: Individuals desiring to view a Structure Inventory and Appraisal form for a bridge in Iowa, that do not qualify for any of the other positions, should complete the bridge information form found under forms.

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