chapter 1 Introduction -- chapter 2 The Mississippi River Railway Crossing At Clinton, Iowa -- chapter 3 The Dragon Bridge Of Li Chun In Ancient China -- chapter 4 Bridging The Gap Connecting Design And Historic Preservation Goals On Milwaukee County's Historic Parkway Bridges -- chapter 5 Managing Historic Bridges In Minnesota The Historian And The Engineer Collaborate -- chapter 6 Structural Deck Evaluation Of The John A. Roebling Suspension Bridge -- chapter 7 Extant Lenticular Iron Truss Bridges From The Berlin Iron Bridge Company -- chapter 8 Wind And Truss Bridges Overview Of Research -- chapter 9 Mechanical Properties Of Wrought Iron From Penns Creek Bridge (1886) -- chapter 10 The Preservation Of Historic Bridges -- chapter 11 Preservation Of Historic Iron Bridges Adaptive Use Bridge Project, University Of Massachusettseamherst -- chapter 12 Preservation Of Stone Masonry Aqueducts On The Chesapeake And Ohio Canal -- chapter 13 Rehabilitation Of Two Historic Timber Covered Bridges In Massachusetts -- chapter 14 The Historic Rehabilitation Of The Market Street Bridge In Chattanooga, Tennessee -- chapter 15 Introduction.