Roadway Standards Chapter 5 - Structures

Chapter 5 establishes the technical requirements associated with structures.

Structures not under the review of Clackamas County Building Codes will be reviewed by Engineering.  All structures proposed in the public right-of-way including walls, bridges, box culverts and stairs are subject to a Development Permit. 

Structures under the review of Engineering shall meet the following requirements:

1. All structures described herein shall be designed by an Engineer.
2. Walls installed by the County are allowed within the public right-of-way.
3. As feasible, retaining walls should be located on private property. Easements shall be provided as necessary.
4. Stairs located in the public right-of-way shall meet IBC requirements. 
5. Other structures in the public right-of-way will be reviewed per AASHTO requirements or as otherwise determined by Engineering.