Welcome to the Morrison Bridge Virtual Tour!
Click on the right van to begin.		 View from the west end tower, looking east The bridge is controlled from the tower A covered viewing area for pedestrians Pointed starlings deflect debris from the bridge piers Maintenance equipment on the bridge Dennis is one of several Multnomah Co bridge operators Dennis talking to 3rd graders Where the lift span meets the pavement The Morrison Bridge getting ready to open West end span (leaf) beginning to lift Both leaves opening West end span (leaf) raising higher Both leaves fulling to allow the passage of a tugboat The Morrison Bridge has open steel grating Mid-span—where the Morrison's two leaves interlock Mid-span with traffic crossing Looking through the deck of the raised east end span Students on the bridge during an opening Flares used in times of accidents Bathroom facilities for bridge operators Bathroom decor The Morrison Bridge has a holding tank
This is where the sewage is pumped off		 The electrical room Part of Morrison's computerized operating system Fiberoptic cable Morrison's 940-ton concrete counterweight Bridge frame below road deck Morrisons bascule 'pit' is three stories below the road deck Stairs descending into the bascule 'pit' View of rack gear and motor Electric motors control the bridge lifting mechanism Gauges monitor stresses within the bridge Each rack gear is 36 feet tall The bascule pit viewing area Bridge Tour participants Keep fingers out! Participants watch as motors crank to life The bridge spans begin to lift... As the counterweights lower into the pit The spans lift higher Here, the spans are fully upright Yep. That's Superman folks see through the open spans View across the bascule pit
(counterweight overhead)		 Individual concrete blocks are used
to hand-balance each bridge span		 Another great visit to the Morrison Bridge! Thanks for visiting! Come again! Click the right van to return to the start