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5319 SW Westgate Drive, Suite 215
Portland, Oregon 97221-2411
Portland: 503-292-1635
Bend: 541-382-1004
fax: 503-292-9846
email: contact@psengineers.com |
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Project Experience:
Bridge Evaluations and Upgrades
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Over the decades, Peterson Structural Engineers has inspected, evaluated and designed repairs and upgrades for a large number of existing bridges. Included in our experience are structures of concrete, wood and steel and combinations thereof. |
Featured Projects
Moulton Falls Bridge Restoration
2000
Client: City of Vancouver
Parks & Recreation Department
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This aesthetically pleasing trail bridge over the Lewis River in Washington was constructed in the early 1970’s and had experienced a high level of weathering, showing signs of significant damage and soil erosion around the abutments. |
PSE performed a condition evaluation investigating wood conditions and water content, connection details and a full gravity and lateral load analysis for the current code loads. PSE then designed and generated construction documents for structural upgrades and wood treatment criteria, including the addition of metal flashing for glulam arch protection. |
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Commonwealth Lake Bridge Upgrade
2004
Client: Tualatin Hills Park & Recreation District
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Commonwealth Lake was developed in Beaverton for recreation in the 1950’s. One of the bridges, used for pedestrians and maintenance vehicles, also serves to house lift gates for control of the water level in the lake. The bridge and its concrete abutments had decayed over the years and PSE was engaged to inspect the structure and recommend repairs. |
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