The Casco Bay Bridge between Portland and South Portland is Maine’s drawbridge that matters — its openings stop Route 77 commuters cold, and MaineDOT runs an alert channel for it. This page also watches our live Maine feed for bridge events. Coastal swings (Southport, South Bristol) open on demand.
MileCheck shows live state DOT feeds, mile markers, and bridges on the road — in all 50 states, with CarPlay and Android Auto.
App Store Google PlayHow it works: opening rules per 33 CFR 117. MaineDOT publishes Casco Bay Bridge alerts through New England 511 — the same feed MileCheck ingests — so this page checks the live Maine feed for bridge events every 2 minutes. Sign up for MaineDOT’s own alerts at maine.gov/mdot/alerts. Also see Seattle and the other state pages on the Maps hub.
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