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Showing posts from 2019

Caledonia Bridge - Caledonia, Ontario

The Caledonia Bridge, also known as the Argyle Street Bridge, is the longest rainbow arch bridge in the Province of Ontario. Spanning 700 feet across, the Caledonia Bridge includes an impressive nine arches. Opened to traffic on November 19, 1927, the bridge crosses the scenic Grand River in the Haldimand County town of Caledonia.  Caledonia Bridge was the first, and is now the only nine span bridge in Canada. The arches along the bridge tower over most passing vehicles. King's Highway 6 also once crossed this bridge, before the Caledonia Bypass was opened in 1982.

The site where the current Caledonia Bridge is located has a long history of being the location of a noteworthy bridge. In fact, the existing bridge replaced a large, six arch Whipple Arch truss bridge that was built in 1875 along the old Plank Road between Port Dover and Hamilton. Each of those spans were 105 feet (32 meters) in length. A large brick toll keepers residence was also built near the north end of this bri…

California State Route 4; west from I-5 through the San Joaquin River Delta and Diablo Range to I-80

This past November I took a drive on California State Route 4 west of Interstate 5 to Interstate 80. 


CA 4 west of I-5 traverses the notable terrain of the San Joaquin River Delta and Diablo Range.  What was once a largely rural State Highway the corridor of CA 4 has been largely converted to limited access or is being consumed by traffic borne from urban sprawl from the San Francisco Bay Area.



Part 1; the history of CA 4 west of I-5 to I-80

What is now the corridor of CA 4 between I-5 west to Martinez was part of Legislative Route 75 and LRN 106 westward towards Hercules.  LRN 75 according to CAhighways was originally defined as State Highway between Oakland and Walnut Creek in 1931.  LRN 75 was extended east over the crest of the Sierra Nevada Mountains to Altaville in 1933.  LRN 106 according to CAhighways was added to the State Highway System in 1933 with the loose route definition being from Hercules east to the Walnut Creek-Antioch Road.

In an August 1934 Department of Public Wo…