2024 Iowa Code 309.79 – Bridge specifications

2023 Iowa Code 309.79 – Bridge specifications

2022 Iowa Code 309.79 – Bridge specifications

2020 Iowa Code 309.79 – Bridge specifications

2018 Iowa Code 309.79 – Bridge specifications

2016 Iowa Code 309.79 – Bridge specifications

2014 Iowa Code 309.79 – Bridge specifications.

2009 Iowa Code 309.79 – Bridge specifications