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

Photos

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View from a distance

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Main span

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West end

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East abutment

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Pier

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Underneath

Vicinity map

Map links:

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
Builders: - Massman Construction Co. (Contractor)
- Stupp Brothers Bridge & Iron Co. of St. Louis, Missouri (Fabrication)
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")
Approximate UTM coordinates: 15/725502/4260331 (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 12/2006): 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 2006): 20,633