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Ilasco Bridge

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Photos 

Photo taken by Ben Tate in August 2011

Map 

Facts 

Overview
Concrete through girder bridge over Marble Creek on Monkey Run Road
Location
Ralls County, Missouri
Status
Open to traffic
History
Built 1910
Design
Concrete pony/through girder
Dimensions
Length of largest span: 23.6 ft.
Total length: 46.9 ft.
Deck width: 20.0 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+39.67306, -91.30611   (decimal degrees)
39°40'23" N, 91°18'22" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/645281/4392841 (zone/easting/northing)
Quadrangle map:
Hannibal East
Land survey
T. 56 N., R. 4 W., Sec. 2
Inventory numbers
MONBI 14589 (Missouri bridge number on the National Bridge Inventory)
BH 42707 (Bridgehunter.com ID)
Inspection (as of 06/2012)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 40.3 (out of 100)
Average daily traffic (as of 2012)
200

Update Log 

  • August 21, 2011: New photos from Ben Tate
  • June 4, 2009: Added by James Baughn

Sources