Portal:U.S. roads/Did you know/March 2013

...that the McMillin Bridge (pictured) on State Route 162 in Washington was built with concrete instead of steel during the Great Depression to save the Department of Highways a grand total of $826, about $14,000 in 2013?
... that a second segment of Arkansas Highway 341 was created when residents appealed to the Arkansas State Highway Commission to buy and maintain a private ferry, which was closing?
...that there is a replica of the Cape Henlopen Light in the middle of the roundabout on Delaware Route 1A entering Rehoboth Beach?
...that at approximately 878 miles (1,413 km) in length, Interstate 10 is the longest highway in Texas?
... that the local nickname for Interstate 194 in Battle Creek, Michigan, is "the Penetrator"?