IS 55 S over MO PAC RR


+38.55399, -90.26271
38°33'14" N, 90°15'46" 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 2015

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:51,649 [as of 2015]
Truck traffic:12% of total traffic
Deck condition:Satisfactory [6 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]
Operating rating:60.4 tons [54.9 metric tons]
Inventory rating:36.6 tons [33.3 metric tons]
Sufficiency rating:92.5

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201592.5FairSatisfactorySatisfactorySatisfactory-51649
September 201392.3FairSatisfactoryGoodSatisfactory-54668
September 201190.6FairGoodGoodSatisfactory-43315
September 200990.8FairGoodGoodSatisfactory-44195
August 200789.5FairGoodGoodSatisfactory-70086
August 200590.6FairGoodGoodSatisfactory-47893
July 200388.6FairGoodGoodSatisfactory-47466
June 200177.3FairGoodGoodFair-46583

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.6,9905,9601,03000
Steel Protective Coatingsq. ft.68,77049,92818,84200
Reinforced Concrete Decksq. ft.47,67238,8798,02171260
Wearing Surfacessq. ft.45,50045,500000
Steel Pin or Pin & Hangar Assemblyeach100730
Steel Protective Coatingsq. ft.1000100
Reinforced Concrete Columneach3535000
Reinforced Concrete Pier Walllinear ft.1616000
Reinforced Concrete Abutmentlinear ft.21467301170
Concrete Protective Coatingsq. ft.1,26706376300
Reinforced Concrete Pier Caplinear ft.728728000
Strip Seal Jointlinear ft.21450571070
Pourable Jointlinear ft.106760300
Movable Bearingeach50301280
Steel Protective Coatingsq. ft.502020100
Fixed Bearingeach4040000
Steel Protective Coatingsq. ft.40152500
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,3221,322000