2023 Washington Code 47.28.170 – Emergency protection and restoration of highways and repair or replacement of structurally deficient state bridges

2022 Washington Code 47.28.170 – Emergency protection and restoration of highways and repair or replacement of structurally deficient state bridges

2020 Washington Code 47.28.170 – Emergency protection and restoration of highways and repair or replacement of structurally deficient state bridges

2019 Washington Code 47.28.170

2018 Washington Code 47.28.170 – Emergency protection and restoration of highways and repair or replacement of structurally deficient state bridges

2014 Washington Code 47.28.170 – Emergency protection and restoration of highways

2013 Washington Code 47.28.170 – Emergency protection and restoration of highways

2009 Washington Code 47.28.170 – Emergency protection and restoration of highways