If you are headed out the back gate of Broadmoor either late on Saturday night or early Sunday morning looking to take the 520 bridge to the Eastside then you better check the closure schedule. The 520 bridge closes due to construction on Saturday night at 11:59 PM and reopens Sunday morning at 7:30 AM.
Some lanes will be closed on the I-90 bridge as well, but the bridge can still be crossed during the lane closures.
In addition, 405 will have lane closures as well. Click link to Seattle Times if you need more details on the bridge and road closures.
There was no announcement if the closures of the 520 bridge applies to dogs.