IS 55 S over MO PAC RR


+38.55404, -90.26311
38°33'15" N, 90°15'47" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 55 S over MO PAC RR
Structure number:1053
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:103.0 ft. [31.4 m]
Total length:650.0 ft. [198.1 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+Mod / HS 20+Mod [6]
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:53,044 [as of 2016]
Truck traffic:12% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 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:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:91.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017FairFairSatisfactorySatisfactory5304491.4
July 2015FairSatisfactorySatisfactorySatisfactory5164992.5
September 2013FairSatisfactoryGoodSatisfactory5466892.3
September 2011FairGoodGoodSatisfactory4331590.6
September 2009FairGoodGoodSatisfactory4419590.8
August 2007FairGoodGoodSatisfactory7008689.5
August 2005FairGoodGoodSatisfactory4789390.6
July 2003FairGoodGoodSatisfactory4746688.6
June 2001FairGoodGoodFair4658377.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.6,9906,990000
Steel Protective Coatingsq. ft.68,77051,06417,70600
Reinforced Concrete Decksq. ft.47,67239,6117,6763850
Wearing Surfacessq. ft.45,500045,50000
Steel Pin or Pin & Hangar Assemblyeach100730
Steel Protective Coatingsq. ft.1000100
Reinforced Concrete Columneach3535000
Reinforced Concrete Pier Walllinear ft.1616000
Reinforced Concrete Abutmentlinear ft.21416440100
Concrete Protective Coatingsq. ft.1,26701,26700
Reinforced Concrete Pier Caplinear ft.728728000
Strip Seal Jointlinear ft.2145016400
Pourable Jointlinear ft.106076300
Movable Bearingeach50302180
Steel Protective Coatingsq. ft.502012108
Fixed Bearingeach4040000
Steel Protective Coatingsq. ft.40152500
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,3221,3120100