To finance the bridge, the Golden Gate Bridge and Highway District was formed in 1928, consisting of San Francisco, Marin, Sonoma, Del Norte, and parts of Mendocino and Napa counties.
Standard Bathtubs. The two most common tub sizes are 60 inches long by 30 inches wide and 60 inches long by 32 inches wide. A standard rectangular-shaped tub, however, will have a smaller dimensioned bathing well, measuring 55 inches by 24 inches at the top and narrowing to 45 inches by 22 inches at the very bottom.
There is only one standard size for bathtub drains in the United States. Bathroom options are limitless when it comes to styles of bathtubs, sinks, tile and faucets. When it comes to the plumbing, however, there aren't many choices to be made, thanks to standard industry sizes.