Historic Bridges of the U.S. | Meramec River MO 21 Bridge

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Overview: Steel through arch bridge over the Meramec River on MO 21
Location: St. Louis County, Missouri
Status: Open to four lanes of traffic
History: Built 1940
Design: Steel through arch
Dimensions: Length of largest span: 264.0 ft.
Total length: 647.8 ft.
Deck width: 45.9 ft.
Vertical clearance above deck: 14.0 ft.
Recognition: Eligible for the National Register of Historic Places
Approximate latitude, longitude: +38.46281, -90.41543 (decimal degrees)
38°27'46" N, 90°24'56" W (degrees°minutes'seconds")
Land survey: T. 43 N., R. 5 E., Sec. 13
Inventory numbers: MoDOT K-637RMONBI 5881 (Missouri Dept. of Transportation bridge number)
BH 22650 (Bridgehunter.com ID)
Inspection (as of 12/2006): Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 43.2 (out of 100)
Average daily traffic (as of 2005): 19,146