Replacing aging bridges and re-paving major arterials are two things a Seattle levy on this year’s ballot promises to do. Seattle Proposition 1 would put $930 million into transportation projects over the next 9 years. It's a replacement, of sorts, for Seattle's Bridging the Gap levy, which is expiring. However, the new property tax measure will cost homeowners more than the old one did. The tax would cost the owner of a median priced ($450,000) Seattle home about $275 per