IS 55 N over MO PAC RR


+38.55426, -90.26253
38°33'15" N, 90°15'45" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 55 N over MO PAC RR
Structure number:867
Location:S 17 T 44 N R 7 E
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:91.9 ft. [28.0 m]
Total length:671.0 ft. [204.5 m]
Roadway width between curbs:69.9 ft. [21.3 m]
Deck width edge-to-edge:72.8 ft. [22.2 m]
Vertical clearance below bridge:23.3 ft. [7.1 m]
Skew angle:46°
Owner:State Highway Agency [01]
Year built:1963
Year reconstructed:2005
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:8
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: July 2015

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:49,326 [as of 2015]
Truck traffic:12% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:55.4 tons [50.4 metric tons]
Inventory rating:32.7 tons [29.7 metric tons]
Sufficiency rating:90.1

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201590.1FairFairGoodSatisfactory-49326
September 201390.9FairSatisfactoryGoodSatisfactory-53514
September 201191.5FairGoodGoodSatisfactory-42144
September 200992.4FairGoodGoodSatisfactory-43000
August 200791.1FairGoodGoodSatisfactory-68468
August 200591.1FairGoodGoodSatisfactory-48159
July 200391.1FairGoodGoodSatisfactory-47729
June 200188.1FairGoodGoodSatisfactoryFO46841

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.6,5606,560000
Steel Protective Coatingsq. ft.68,77139,88828,88300
Reinforced Concrete Decksq. ft.47,67240,2087,46400
Wearing Surfacessq. ft.46,970046,97000
Reinforced Concrete Columneach3534100
Reinforced Concrete Abutmentlinear ft.2842394500
Concrete Protective Coatingsq. ft.1,76401,76400
Reinforced Concrete Pier Caplinear ft.689689000
Strip Seal Jointlinear ft.204020400
Movable Bearingeach80503000
Steel Protective Coatingsq. ft.80156500
Fixed Bearingeach1010000
Steel Protective Coatingsq. ft.1010000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,3651,365000