Rating:
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Mark Twain Memorial Bridge

Photos 

View fom Lovers Leap

Photo taken by James Baughn

BH Photo #106108

Map 

Street View 

Facts 

Overview
Through truss bridge over the Mississippi River on I-72/US 36 at Hannibal
Location
Hannibal, Marion County, Missouri, and Pike County, Illinois
Status
Open to four lanes of traffic
History
Opened Sept. 16, 2000
Design
Warren through truss
Dimensions
Length of largest span: 640.1 ft.
Total length: 4,490.3 ft. (0.9 mi.)
Deck width: 81.0 ft.
Vertical clearance above deck: 17.4 ft.
Also called
Mark Twain Memorial Bridge (official name)
Approximate latitude, longitude
+39.72070, -91.35819   (decimal degrees)
39°43'15" N, 91°21'29" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/640717/4398047 (zone/easting/northing)
Quadrangle map:
Hannibal East
Land survey
T. 57 N., R. 4 W., Sec. 21
Inventory numbers
MONBI 4076 (Missouri bridge number on the National Bridge Inventory)
BH 21993 (Bridgehunter.com ID)
Inspection (as of 04/2015)
Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Sufficiency rating: 63.7 (out of 100)
Average daily traffic (as of 2015)
15,633

Update Log 

  • May 13, 2017: New photos from Daniel Barnes
  • February 13, 2016: New photos from James Baughn
  • July 27, 2014: Updated by Jeremy Ruble: Changed to correct name
  • October 8, 2011: New photos from Ben Tate
  • April 3, 2006: Posted new photos

Sources 

  • Ben Tate - benji5221 [at] yahoo [dot] com
  • Jeremy Ruble - saukee0 [at] yahoo [dot] com
  • Daniel Barnes