Resolution authorizing the Mayor and the Director of the Department of Public Works and the Director of the Department of Finance, on behalf of the City of Pittsburgh, to negotiate and enter into agreements with the Port Authority of Allegheny County and/or with Norfolk Southern Corporation and/or with Eastside Limited Partnership II and/or with the Urban Redevelopment Authority of Pittsburgh, in connection with property interests and rights of way necessary for the construction, use, operation and maintenance of a pedestrian bridge across the Martin Luther King Jr. East Busway and the adjacent railroad tracks; the pedestrian bridge will extend from Ellsworth Avenue to the Eastside Retail Shopping Complex in the Shadyside and East Liberty neighborhoods, respectively, of Pittsburgh.