MO 30 E over IS 55


+38.60829, -90.21274
38°36'30" N, 90°12'46" 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:14.8 ft. [4.5 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 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:16,747 [as of 2015]
Truck traffic:10% 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]
Operating rating:50.5 tons [45.9 metric tons]
Inventory rating:30.7 tons [27.9 metric tons]
Sufficiency rating:71.7

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201571.7FairFairFairFairFO16747
August 201356.8FairFairFairFairFO16575
August 201159.3FairFairFairFair-15275
August 200959.4FairFairFairFair-15586
August 200758.9FairFairFairFair-17527
August 200559.1FairFairFairFair-17059
July 200360.6FairFairFairFair-19666
June 200162.3FairFairFairFair-12176

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Closed Web/Box Girderlinear ft.1860471390
Reinforced Concrete Top Flangesq. ft.32,24222,5709,67200
Wearing Surfacessq. ft.24,802012,40112,4010
Reinforced Concrete Columneach116140
Reinforced Concrete Abutmentlinear ft.6091402392300
Pourable Jointlinear ft.28020050030
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.452450200
Reinforced Concrete Bridge Raillinear ft.612061200