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MO YY Middle Fork Grand River Bridge

Photo 

View from the SouthWest

Photo taken by Paul Hamby in November 2010

Enlarge

BH Photo #186130

Map 

Street View 

Essay 

Written by Eric Kinkhorst

Highway YY was once US 169

Facts 

Overview
Pony truss bridge over Middle Fork Grand River on Route YY (formerly MO 29)
Location
Worth County, Missouri
Status
Intact but closed to all traffic
Future prospects
Scheduled for replacement 2021
History
Built 1927; closed September 2018 after failing inspection
Builder
- Pittsburgh-Des Moines Steel Co. of Des Moines, Iowa & Pittsburgh, Pennsylvania (contractor)
Design
Riveted Warren pony truss with alternating verticals
Dimensions
Length of largest span: 70.8 ft.
Total length: 320.7 ft.
Deck width: 20.0 ft.
Approximate latitude, longitude
+40.41542, -94.44378   (decimal degrees)
40°24'56" N, 94°26'38" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/377507/4474867 (zone/easting/northing)
Quadrangle map:
Grant City
Land survey
T. 65 N., R. 32 W., Sec. 25
Average daily traffic (as of 2016)
183
Inventory numbers
MoDOT H-617 (Missouri Dept. of Transportation bridge number)
MONBI 5063 (Missouri bridge number on the National Bridge Inventory)
BH 22823 (Bridgehunter.com ID)
Inspection report (as of September 2016)
Overall condition: Poor
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Poor (4 out of 9)
Deck condition rating: Poor (4 out of 9)
Sufficiency rating: 24.1 (out of 100)
View more at BridgeReports.com

Update Log 

  • October 28, 2018: Updated by David Backlin: Closed
  • October 28, 2011: Essay added by Eric Kinkhorst
  • November 13, 2010: New photo from Paul Hamby

Sources