MO 161 S over US 61


+39.33388, -91.17843
39°20'02" N, 91°10'42" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MO 161 S over US 61
Structure number:2936
Old structure number:A3502 1 (from 1992 edition)
Location:S 30 T 53 N R 3 W
Purpose:Carries highway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:125.0 ft. [38.1 m]
Total length:310.1 ft. [94.5 m]
Roadway width between curbs:38.7 ft. [11.8 m]
Deck width edge-to-edge:41.3 ft. [12.6 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1996
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:2
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: December 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:8,029 [as of 2016]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Excellent [9 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:98.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2016GoodGoodVery GoodExcellent802998.0
December 2014GoodGoodVery GoodExcellent731098.0
December 2012GoodGoodVery GoodExcellent843498.0
December 2010GoodGoodVery GoodExcellent600098.0
January 2009GoodGoodVery GoodExcellent600099.0
November 2006GoodGoodVery GoodExcellent632699.0
January 2005GoodGoodVery GoodExcellent581299.0
October 2002GoodGoodVery GoodExcellent592499.0
January 2002GoodVery GoodVery GoodExcellent663499.0
November 2000GoodVery GoodVery GoodExcellent551799.0
September 1996GoodExcellentExcellentExcellent535699.0