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Engineering services in unincorporated King County

Bridge engineers in a  UBIT.

Bridge engineers in the bucket of an Under Bridge Inspection Truck (UBIT) check the underside of the Foss River Bridge outside Skykomish.

Maps and records

24/7 Road Helpline

24/7 Road Helpline

Call us for help at 206-477-8100 or 1-800-527-6237 with road maintenance and traffic safety issues in unincorporated King County — 24 hours a day