MO 161 S over US 61


+39.33500, -91.17833
39°20'06" 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:16.1 ft. [4.9 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]
Operating rating:68.3 tons [62.1 metric tons]
Inventory rating:41.6 tons [37.8 metric tons]
Sufficiency rating:98.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201698.0GoodGoodVery GoodExcellent-8029
December 201498.0GoodGoodVery GoodExcellent-7310
December 201298.0GoodGoodVery GoodExcellent-8434
December 201098.0GoodGoodVery GoodExcellent-6000
January 200999.0GoodGoodVery GoodExcellent-6000
November 200699.0GoodGoodVery GoodExcellent-6326
January 200599.0GoodGoodVery GoodExcellent-5812
October 200299.0GoodGoodVery GoodExcellent-5924
January 200299.0GoodVery GoodVery GoodExcellent-6634
November 200099.0GoodVery GoodVery GoodExcellent-5517
September 199699.0GoodExcellentExcellentExcellent-5356