2024 Iowa Code 309.74 – Width of bridges and culverts

2023 Iowa Code 309.74 – Width of bridges and culverts

2022 Iowa Code 309.74 – Width of bridges and culverts

2020 Iowa Code 309.74 – Width of bridges and culverts

2018 Iowa Code 309.74 – Width of bridges and culverts

2016 Iowa Code 309.74 – Width of bridges and culverts

2014 Iowa Code 309.74 – Width of bridges and culverts.

2009 Iowa Code 309.74 – Width of bridges and culverts