Bridges
AP has been involved with permitting and designing more than 150 single and multi-span bridges in southeast Washington and northeast Oregon. From small culverts and short single-span bridges to multi-span bridges, we provide every stage of bridge design, including planning and preliminary studies, design surveying, environmental review and permitting, final design, and construction administration and inspection. Our familiarity with federal, state, and county design standards allows our team to quickly develop engineering drawings, specifications, and cost estimates that are clear, concise, and precise.
Services Include:
Geotechnical reports and designs
Hydrologic/hydraulic studies and reports
Bridge condition inspections
Short and multi-span bridges
Concrete box culverts/multi-plate culverts
Bridge rehabilitation and repair designs
Bridge load ratings
Earth retaining walls

Eric Drushella
Road Supervisor, Harney County, OR
Harney County Road Department has partnered with AP to complete nearly 10 bridge replacement projects during recent years. Our experience with AP’s professional staff reflects the firm’s commitment to providing for the unique needs of county governments in rural areas with highly competent, cost-effective services.
