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Tae Marine REVIEW FIG. 3--VIEW OF NEW 230-FT, SPAN SCHERZER ROLLING LIFT BRIDGE FOR B. & O, RAILROAD large lake cities to recognize the neces- sity of improving the river as a means not only of conserving vested inter- ests but of developing the entire val- ley of the Cuyahoga river into most advantageous and economical sites for manufacturing industries and railroad oe FIG. 4--END VIEW OF NEW 230-FT. SPAN SCHERZER ROLLING LIFT BRIDGE FOR B. & O, RAILROAD AT CLEVELAND, SHOWING MAINTENANCE: OF TRAFFIC DURING CONSTRUCTION. terminals, Economical and convenient terminals for the interchange of freight is one of the most vital prob- lems confronting railroad managements of the present day. Freight terminal property centrally located is becoming capital, 2RITE a constantly increasing tax 'on railroad the necessary . ground areas constantly increasing with the growth of population, industries and resulting increased traffic. "The Cuyahoga river pursiies a very winding course for several miles through the heart of the city of Cleve- land. It has only one branch known 'as the old river bed which runs west- erly for about a mile from a point a 'few hundred feet inside of the har- bor mouth. The river originally was narrow, shallow and crooked, but in the process of improvement it has been widened, deepened and. straight- ened, and projects are now pending that will remove the remaining nat- ural obstructions in the course of the stream. AT CLEVELAND IN THE CLOSED POSITION, In a city the size of Cleveland, with so important a navigable watenway through its center, the matter of moy- able bridges has naturally been a sub- ject of important 'consideration by both municipal and federal authorities. More than 20 bridges, 'both highway and railroad, now span _ the niver. These structures were originally near- ly all of the center pier swing type and for the most part very obstructive to the navigation of the river by large vessels. A policy of new bridge con- struction along modern lines was in- augurated early in the campaign for an improved internal harbor and has resulted in the removal of a large numben of center pier swing bridges and the construction in their stead of FIG. 5--SIDE VIEW OF NEW 230-FT. SPAN SCHERZER ROLLING LIFT BRIDGE FOR B. & O; RAILROAD ACROSS CUYAHOGA RIVER AT CLEVELAND, SHOW- ING MAINTENANCE OF TRAFFIC DURING CON- STRUCTION,