IS 55 N over MO PAC RR


+38.55381, -90.26324
38°33'14" N, 90°15'48" 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:23.0 ft. [7.0 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 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:50,658 [as of 2016]
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]
Sufficiency rating:90.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017FairFairGoodSatisfactory5065890.0
July 2015FairFairGoodSatisfactory4932690.1
September 2013FairSatisfactoryGoodSatisfactory5351490.9
September 2011FairGoodGoodSatisfactory4214491.5
September 2009FairGoodGoodSatisfactory4300092.4
August 2007FairGoodGoodSatisfactory6846891.1
August 2005FairGoodGoodSatisfactory4815991.1
July 2003FairGoodGoodSatisfactory4772991.1
June 2001FairGoodGoodSatisfactory4684188.1

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.6,5606,560000
Steel Protective Coatingsq. ft.68,77139,88828,88300
Reinforced Concrete Decksq. ft.47,67239,5548,11800
Wearing Surfacessq. ft.46,970046,97000
Reinforced Concrete Columneach3533200
Reinforced Concrete Abutmentlinear ft.2842394500
Concrete Protective Coatingsq. ft.1,76401,76400
Reinforced Concrete Pier Caplinear ft.689689000
Strip Seal Jointlinear ft.20401020102
Movable Bearingeach80607310
Steel Protective Coatingsq. ft.801552130
Fixed Bearingeach1010000
Steel Protective Coatingsq. ft.1010000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,3651,365000