Register for SIIMS Access

You must be registered with SIIMS as a new user to have appropriate access.

After completing one of the following forms, you will receive a confirmation that your SIIMS account is active when access is available. You can then log in to SIIMS.

Bridge Owners

Bridge owners are asked to inform the Iowa DOT's Bridges and Structures Bureau if they are bridge owners by filling out the bridge owner form. This will also allow access to bridges in SIIMS.

Bridge Inspectors

Program Managers & Team Leaders

Bridge inspection program managers and team leaders may now apply for accreditation by the Iowa DOT's Bridges and Structures Bureau, 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 appropriate form for your role. 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.

Load Raters

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. The form 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.

Data Entry

Any individual that will be entering data for the program manager or team leader is required to complete the data entry form.

Other Roles

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.

The bridge information form is also available for consulting agencies who are doing design work for the Iowa DOT and need access to inspection reports and records for the existing structure.