Meet Bertha, the world's largest underground tunnel boring machine that will soon begin digging a controversial roadway underneath downtown Seattle, similar to Boston's Big Dig
Tomorrow, January 19, you can watch as the Sellwood Bridge in Portland, OR is moved 33-66 feet to the north in order to allow a new bridge to be built in its place, while still allowing traffic to move over that part of the Willamette River while the construction is taking place.
Eighty years ago, William Mulholland completed his final project: the St. Francis Dam, which converted San Francisquito Canyon--about 5 miles northeast of what is now Santa Clarita, California--into a 38,000 acre-foot reservoir for Los Angeles/Owens River aqueduct water. You're probably familiar with Mulholland's name --he designed and built the Los Angeles Aqueduct and the beginning of the system with which Los Angeles is supplied water from the Central Valley--and as a gesture of gratitude, the city named its most scenic highway in his honor. Mulholland, the California Water Wars, the aqueduct, and the dam were also referenced and alluded to extensively in Roman Polanski's Chinatown. But the man who helped build an immense metropolis by bringing water to the desert has only a small fountain as a memorial to his legacy. Three minutes before midnight, on March 12, 1928...