Owner: City of Hillsboro, OR

Engineer: David Hall Structural Engineering Portland, OR

Contractor: Keywest Retaining, Inc. Wilsonville, OR

Details: Maximum Height 13 ft. Total sq. ft. 10,500

Description: Road Way support with back to back retaining walls over Two Box culverts holding up the entire roadway. Project highlights LOCK+LOAD’s ability to use a column to mitigate differ- ential settlement potential of a box culvert through a wetlands area.