There are 24,350 bridges in Missouri, with 3,357 (14%) classified as structurally deficient. 3,276 bridges (13%) are functionally obsolete. Between 2003-2012, $2.5 billion in federal funding supported bridge construction and rehabilitation projects on 3,348 bridges. It is estimated that it would cost $4.4 billion to repair the 5,274 bridges identified as needing work. The top 10 most traveled structurally deficient bridges are all located in the St. Louis area and have daily crossings ranging from 59,830 to 199,598.