+38.33500, -90.51167
38°20'06" N, 90°30'42" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:MO 21 N over CRD KLABLE RD
Structure number:11899
Location:S 31 T 42 N R 5 E
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:89.9 ft. [27.4 m]
Total length:456.1 ft. [139.0 m]
Roadway width between curbs:37.4 ft. [11.4 m]
Deck width edge-to-edge:40.0 ft. [12.2 m]
Vertical clearance below bridge:65.0 ft. [19.8 m]
Skew angle:33°
Owner:State Highway Agency [01]
Year built:2000
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:6
Main spans material:Prestressed concrete continuous [6]
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: March 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:8,303 [as of 2015]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Inventory rating:75.2 tons [68.4 metric tons]
Sufficiency rating:93.8

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201693.8FairSatisfactoryGoodGood-8303
December 201494.7FairSatisfactoryGoodGood-7008
December 201294.7FairSatisfactoryGoodGood-7030
January 201294.3FairSatisfactoryGoodGood-7588
January 201094.3GoodGoodGoodExcellent-7589
January 200895.0GoodGoodGoodExcellent-6687
January 200694.5GoodGoodVery GoodExcellent-7346
February 200492.9GoodGoodExcellentExcellent-9534
December 200093.1GoodExcellentExcellentExcellent-9192