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Hudson and Manhattan Railroad Tunnel
Society: ASCEMain Category: CivilSub Category: NuclearEra: 1900-1909DateCreated: 1908Hudson RiverNew York City to Hoboken State: NYCountry: USAWebsite: http://www.asce.org/project/hudson-and-manhattan-rr-tunnel/Creator: Haskin, DeWitt Clinton, McAdoo, William G.

A transportation tunnel under the Hudson River connecting Manhattan and New Jersey was first considered in the 1860s, fueled by New York City's rapidly growing congestion and the inadequacy of existing ferry service to population centers across the river. DeWitt Clinton Haskin, an engineer formerly with the Union Pacific Railroad, started the project in 1874 and subsequently endured an extended lawsuit, several failures of the tunnel wall, and an exhaustion of funds before quitting in 1887 with only 1,600 feet completed. 

YearAdded:
1978
Image Credit: Courtesy ascemetsection.orgImage Caption: The Hudson and Manhattan tunnel was the first large transportation tunnel constructed under a major river in the United States..Era_date_from: 1908
Society: ASCEMain Category: CivilSub Category: Water Supply & ControlEra: 1870-1879DateCreated: 1875-1879New OrleansState: LAZip: 70113Country: USAWebsite: http://www.asce.org/Project/Eads-South-Pass-Navigation-Works/Creator: Eads, James Buchanan

"Eads had to succeed in the face of conventional wisdom which doomed him to disaster. Entrenched authorities not only completely dismissed his theories, but pointed to the indifferent European experiences with what he proposed."  
 - ASCE Landmark Nomination Proposal, 1982   

YearAdded:
1982
Era_date_from: 1875
Eads Bridge
Society: ASCEMain Category: CivilSub Category: Water TransportationEra: 1870-1879DateCreated: 1874Eads BridgeEast St. LouisState: ILZip: 62201Country: USAWebsite: http://www.asce.org/Project/Eads-Bridge/Creator: Eads, James

In the decade following the Civil War, the Mississippi River began to lose its standing as the primary transport artery in the Midwest. Railroads were taking over, and Chicago was rapidly becoming the center of Midwestern commerce. The Eads Bridge was the first major railroad link over the Mississippi, constructed by the city of St. Louis in an attempt to maintain its dominance as a regional commercial hub.

YearAdded:
1971
Image Credit: Courtesy Flickr/Patrick Yodarus (CC BY-SA 2.0)Image Caption: Eads BridgeEra_date_from: 1874
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