Historical clue formulations

• St. Louis's ___ Bridge, the oldest span over the Mississippi — 2019-07-07
• ___ Bridge (historic span across the Mississippi) — 2019-01-20
• James B. ___, diving bell inventor — 2018-02-16
• Actor George of "CSI" — 2012-08-30
• St. Louis landmark designer — 2010-07-02
• ___ Bridge, historic 1874 span across the Mississippi — 2009-02-08
• 19th-century engineer with a star on the St. Louis Walk of Fame — 2009-01-09
• St. Louis's ___ Bridge — 2008-09-28
• ___ Bridge, first to span the Mississippi at St. Louis — 2008-06-05
• St. Louis's historic ___ Bridge — 2007-11-11
• St. Louis bridge designer — 2006-10-20
• St. Louis's ___ Bridge — 2001-08-25
• St. Louis's historic ___ Bridge — 2000-03-19