Bridges & Structures
Design, inspect and maintain our bridges and structures to assure safe and reliable mobility to the traveling public.
Quick Links
Bridge Maintenance & Inspection Resources
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Bridge Inspection Manual
Guidelines for inspecting bridges, ensuring safety and compliance with regulations.
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Bridge Maintenance Manual
Guidance on maintaining and repairing bridges in Iowa.
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Bridge Rating Manual
Guidelines for evaluating bridge load capacities using various methodologies such as ASR, LFR, and LRFR.
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Emergency Response Manual
Outlines procedures for responding to bridge emergencies, including collisions, fires, or natural disasters.
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Protecting our Bridges Brochure
Highlights how modern ag practices, with larger farms and heavier equipment, increase stress on Iowa's aging bridges.
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Posting Signs and How They are Used
Explains the purpose and design of weight limit signs on bridges, ensuring vehicles do not exceed safe load capacities.
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Bridge Inspection Agencies
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Structure Inventory and Inspection Management System (SIIMS)
A centralized platform for managing bridge inspection data across Iowa.
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Bridge Property Damage
