Design of a reinforced-concrete highway bridge . The The Bids. VI. DISCUSSION AND CONCLUSIONS. THE DESIGN OF A REINFORCED CONCRETE HIGH.;AY BRIDGE. I. Introduction. There is probably no field of engineering which is soimportant to the welfare of society in general, as is highwayengineering. In fact, the legislatures of most states have seenfit to provide a special corps of engineers to look after thismost important of all methods of communication, namely, the publicroads. The application of scientific principles to the ques-tion of transportation and agriculture have practicall
Design of a reinforced-concrete highway bridge . The The Bids. VI. DISCUSSION AND CONCLUSIONS. THE DESIGN OF A REINFORCED CONCRETE HIGH.;AY BRIDGE. I. Introduction. There is probably no field of engineering which is soimportant to the welfare of society in general, as is highwayengineering. In fact, the legislatures of most states have seenfit to provide a special corps of engineers to look after thismost important of all methods of communication, namely, the publicroads. The application of scientific principles to the ques-tion of transportation and agriculture have practically replacedthe old time horse drawn carts and light traction engines withimmense automobile trucks and heavy tractors. As a natural con-sequence most of the old roads and especially bridges must be re-constructed. Such is the case in Champaign County, is the purpose of this thesis to investigate such an old bridgelocated about a mile northeast of Sidney, Illinois, and also todesign a reinforced concrete bridge for the same Genera/ V/ew of O/c/ Spans. 2. The new span will be designed as a concrete structure;since it is possible to build a concrete bridge as cheaply as asteel one, and have in the end a more permanent and artisticstructure. II. THE OLD I. Report. The investigation of the old bridge will be presented inthe form of an engineers report; and since it is only incidentalto the main purpose of this thesis, it will not be treated in avery exhaustive manner. The report is: Champaign, Illinois,February EE, 1913. Chairman of Bridge Committee,County Supervisors, Champaign, Illinois. Gentlemen: Having thoroughly inspected and investigated the bridgeover the Salt Fork Branch of the Vermilion River on the main high-way between St. Joseph and Sidney, I submit the following report: The bridge is located feet east, and 400 feetsouth, of the west quarter point of Section 10, Township 18Worth, Range 10 East. It consists of three steel spans. We
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