Historic Bridges of the U.S. | Twelfth Street Viaduct

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Overview: Concrete viaduct over the railroad tracks on Twelfth Street, just west of downtown Kansas City
Location: Kansas City, Jackson County, Missouri
Status: Open to traffic
History: Built 1915; rehabilitated 1965 and 2006
Design: Open-spandrel arch
Dimensions: Length of largest span: 148.9 ft.
Total length: 2,053.6 ft.
Deck width: 51.8 ft.
Recognition: Eligible for the National Register of Historic Places
Approximate latitude, longitude: +39.10083, -94.59783 (decimal degrees)
39°06'03" N, 94°35'52" W (degrees°minutes'seconds")
Approximate UTM coordinates: 15/361833/4329180 (zone/easting/northing)
Land survey: T. 49 N., R. 33 W., Sec. 6
USGS topographic map: Kansas City
Inventory numbers: MONBI 25397 (Missouri bridge number on the National Bridge Inventory)
BH 21721 (Bridgehunter.com ID)
Inspection (as of 02/2006): Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Fair (5 out of 9)
Sufficiency rating: 45.7 (out of 100)
Average daily traffic (as of 2005): 9,500