Complex sentence: WSDOT lost another floating bridge, the Hood Canal Bridge, about a decade earlier under similar circumstances, and it is now known that another major floating bridge in Washington, the Evergreen Point Floating Bridge, is under-engineered for local environmental conditions.
Split into simpler sentences: WSDOT lost another floating bridge, the Hood Canal Bridge, about a decade earlier under similar circumstances. It is now known that another major floating bridge in Washington, the Evergreen Point Floating Bridge, is under-engineered for local environmental conditions.