Pasco-Kenneewick Bridge�� The Longest Cable-Stayed Bridge in North America
This 2503-ft long structure, built in an earthquake zone, is only the second of its kind to be constructed in the U.S. It boasts a continuous concrete girder, supported from steel cables...
Harnessed Water Power Spawns First Great Industrial City
Lowell, Mass. was founded in 1822 at a site on the Merrimack River. The city's developers brought together some of the most advanced ideas of the day in the areas of power...
1842: Old Croton Aqueduct Brings Water, Rescues Manhattan From Fire, Disease
From 1774 to 1835 Manhattan experienced tremendous growth but needed better water supply to protect public health and to fight fires. Several proposals for providing water were forwarded...
The Magnificent Obsession of TVA
Before the TVA came, the Tennessee Valley region was one of the nation's poorest: no electricity; deep, gullied erosion of the hilly farm country; periodic devastating flooding...
Inflatable Dam Regulates River Level
Inflatable dams are economically feasible for maintaining a required constant water elevation on rivers and streams where flooding poses problems. Puncture resistant material, inflated...
Gabions, Perforated Pipe and Gravel Serve as Fish Screens
A type of structure to prevent juvenile salmon from diverting to irrigation ditches has been developed on the Merced River in central California. It was built after cost considerations...
Today's Northwest Passage
The Lower Snake River Project received the outstanding water resources engineering project award for 1976 from ASCE. The lower 140-mile (225-km) reach of the Snake River from its mouth...
First Bridge Across the Yukon River
Until recently, the Yukon River was a major obstacle in constructing a roadway to the oil-rich North Slope of Alaska. But on October 10, 1975, that obstacle was hurdled when the first...
The Le Grande Hydroelectric Development
The James Bay Hydroelectric Project, presently under construction in northern Quebec, is one of the world's largest energy developments. Four major powerhouses are planned...
Three Towns: Three Different Solutions to Stormwater Control
That an engineer is a creative solver of people-problems was shown in Kentucky, where a consultant designed stormwater control systems in three towns�� and came up with three different...
Highway Fill�� A Broad-Crested Weir
Hurricane Agnes in June, l972, destroyed the bridge over the Middle Patuxent River in Maryland which had suffered damages from several other storms. Replacement costs had to be kept low...
The Recycling of a River
After a century of neglect and degradation, the South Platte River is undergoing a process of transformation to become the most significant recreational resource in the Denver area�� a...
Falsework Eliminated in Bridge Erection
The U.S. Highway 50 bridge just east of North Vernon, Ind., is one of the first applications in this country of the precast, prestressed concrete box girder design erected without falsework....
Difficult Dam Problems�� Marginal Spillway Stability
In l965 the Corps of Engineers began a program of inspection and reevaluation of its older dams to determine if they are satisfactory based on present day standards. The study of the spillway...
Russia Redistributes River Flow
Large interbasin water-transfers are underway with several more scheduled in the Soviet Union, changing the direction of natural river flow. The overall plan is to expand agricultural...
Interstate Squeezes through River Gorge
The Virgin River Gorge in northern Arizona, a designated wilderness area, now contains one of the most beautiful and spectacular segments of our Interstate Highway System. Interstate 15,...
Nation's Capital Faces Critical Water Problems
Untroubled by any major impoundments and much troubled by polution in its tidal reaches, the Potomac River continues to flow to the sea, while an increasing population depends on this...
Difficult Dam Problems - - Cofferdam Failure
Uniontown Locks and Dam on the Ohio River was under construction when the cofferdam failed ten days after being dewatered during a rising river period. The configuration of the failure...
Flow Equalization�Plus for Wastewater Treatment Plants
Flow equalization is important in maintaining optimum level performance in chemical water treatment plants. One way to do this is to build storage tanks upstream to regulate flow instead...
Modeling Techniques
Proceedings of the Symposium on Modeling Techniques held in San Francisco, California, September 3-5, 1975. Sponsored by the Waterways, Harbors, and Coastal Engineering Division of ASCE....
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