MO 30 E over IS 55


+38.60840, -90.21251
38°36'30" N, 90°12'45" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MO 30 E over IS 55
Structure number:891
Location:S 27 T 45 N R 7 E
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:93.2 ft. [28.4 m]
Total length:258.9 ft. [78.9 m]
Roadway width between curbs:76.1 ft. [23.2 m]
Deck width edge-to-edge:87.6 ft. [26.7 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:11°
Owner:State Highway Agency [01]
Year built:1965
Year reconstructed:1985
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:2
Main spans material:Concrete continuous [2]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Other [9]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:16,848 [as of 2016]
Truck traffic:6% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:71.7

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairFairFairFair1684871.7
August 2015FairFairFairFair1674771.7
August 2013FairFairFairFair1657556.8
August 2011FairFairFairFair1527559.3
August 2009FairFairFairFair1558659.4
August 2007FairFairFairFair1752758.9
August 2005FairFairFairFair1705959.1
July 2003FairFairFairFair1966660.6
June 2001FairFairFairFair1217662.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Closed Web/Box Girderlinear ft.1860471390
Reinforced Concrete Top Flangesq. ft.32,24222,4509,6721200
Wearing Surfacessq. ft.24,802012,40112,39110
Reinforced Concrete Columneach111640
Reinforced Concrete Abutmentlinear ft.60902393700
Pourable Jointlinear ft.28014298040
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.452450200
Reinforced Concrete Bridge Raillinear ft.612060840