Bridgehunter.com | Meramec River MO 21 Bridge

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View from a distance

Photo taken by James Baughn

Overview: Steel through arch bridge over the Meramec River on Tesson Ferry Road (Missouri State Highway 21) at the St. Louis / Jefferson County line
Location: St. Louis County, Missouri
Status: Open to four lanes of traffic
History: Built 1940; rehabilitated 2010
Builders: - Massman Construction Co. (Contractor)
- Stupp Brothers Bridge & Iron Co. of St. Louis, Missouri (Fabrication)
Design: Cantilevered tied 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: +38.46298, -90.41478 (decimal degrees)
38°27'47" N, 90°24'53" W (degrees°minutes'seconds")
Approximate UTM coordinates: 15/725558/4260352 (zone/easting/northing)
Land survey: T. 43 N., R. 5 E., Sec. 13
USGS topographic map: Maxville
Inventory numbers: MoDOT K-637R (Missouri Dept. of Transportation bridge number)
MONBI 5881 (Missouri bridge number on the National Bridge Inventory)
BH 22650 (Bridgehunter.com ID)
Inspection (as of 12/2010): Deck condition rating: Very Good (8 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 59.0 (out of 100)
Average daily traffic (as of 2011): 18,693

March 28, 2013: New photo from John Christeson
April 14, 2011: New photo from John Christeson
July 18, 2010: New Street View added by Kim Harvey
July 16, 2010: Updated by Mark Dellbringge: Deck has been replaced and superstructure repainted
November 28, 2005: Posted new photos

Meramec River MO 21 Bridge

Posted July 16, 2010, by Mark Dellbringge

more photos of portal entrance and driving southbound across the bridge.

View attachment #1 (Microsoft Office Document, 565760 bytes)

View attachment #2 (Microsoft Office Document, 542208 bytes)

Meramec River MO 21 Bridge

Posted August 16, 2009, by Sharon Spear (sweetsexysharon [at] gmail [dot] com)

The deck of the bridge is currently being replaced. The news release is here.