WSDOT Project Addenda Files
This page contains links to the addenda files for the project listed. Plan sheets for mailed project addenda are available electronically by selecting the "View electronic version of plans and specifications" link on the individual project addenda page. Please note that it can take up to 3 business days for plan sheets to appear online.
Need a replacement addendum acknowledgement page?: General Addendum Acknowledgement of Receipt Page
Are you a plan holder for a project listed below?
Paper copies of addenda (unless issued by fax) are mailed via the US Postal Service to all plan holders of record on the posted mail date - please allow up to 7 days for delivery.
- CONTRACT 8577 - SR 99, AIRPORT ROAD INTERSECTION TRANSIT QUEUE BYPASS & SAFETY
- CONTRACT 8582 - I-5, SB STILLAGUAMISH RIVER BRIDGE MAJOR BRIDGE REHABILITATION
- CONTRACT 8581 - SR 509, WAPATO CREEK TO NORPOINT WAY NE - PAVING
- CONTRACT 8585 - SR 99, SPOKANE ST BR TO ALASKAN WAY VIADUCT CONCRETE PAVEMENT REHAB
- CONTRACT 8589 - SR 527, I-405 INTERCHANGE TO SR 524 VICINITY - PAVING
- CONTRACT 8588 - SWR HQ ADMIN BLDG - HVAC SYSTEM CONTROL UPGRADE
- CONTRACT 8597 - SR 520, 108TH AVE NE TO W LK SAMMAMISH PKWY PAVING
- CONTRACT 8598 - SR 16, OLYMPIC DRIVER NW BRIDGE SPECIAL REPAIR
- CONTRACT 8602 - SR 16, TACOMA NARROWS BRIDGE REPLACE MAINTENANCE TRAVELER
- CONTRACT 8601 - I-405, SB SE 8TH ST TO NORTHUP WAY VIC - PAVING
- CONTRACT 8610 - SR 4, ELOCHOMAN RIVER VIC CULVERT REPLACEMENTS
- CONTRACT 8614 - KLICKITAT CO. CHIP SEALS
- CONTRACT 8613 - SR 18, GREEN RIVER (NEELEY) BRIDGE PAINTING
- NSC 2014 DEMO NO 1
Last Updated: April 18, 2014