IS 55 N over CST 2ND ST


+38.59072, -90.21417
38°35'27" N, 90°12'51" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 55 N over CST 2ND ST
Structure number:883
Location:S 34 T 45 N R 7 E
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:81.4 ft. [24.8 m]
Total length:597.1 ft. [182.0 m]
Roadway width between curbs:64.0 ft. [19.5 m]
Deck width edge-to-edge:66.6 ft. [20.3 m]
Vertical clearance below bridge:20.3 ft. [6.2 m]
Skew angle:30°
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: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: September 2015

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:54,916 [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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:50.5 tons [45.9 metric tons]
Inventory rating:29.7 tons [27.0 metric tons]
Sufficiency rating:85.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201585.0FairSatisfactorySatisfactorySatisfactory-54916
August 201384.7FairGoodGoodSatisfactory-59952
August 201186.6FairGoodGoodSatisfactory-43342
September 200986.7FairGoodGoodSatisfactory-44222
August 200785.9FairGoodGoodSatisfactory-59699
August 200586.3FairGoodGoodSatisfactory-51008
July 200386.4FairGoodGoodSatisfactory-50552
June 200186.6FairGoodGoodSatisfactory-46216

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.4,7843,5581,192340
Steel Protective Coatingsq. ft.40,18637,5872,59900
Reinforced Concrete Decksq. ft.38,893038,4124810
Wearing Surfacessq. ft.37,447037,44700
Reinforced Concrete Columneach21010110
Reinforced Concrete Abutmentlinear ft.1780132460
Concrete Protective Coatingsq. ft.340003400
Reinforced Concrete Pier Caplinear ft.5120499130
Strip Seal Jointlinear ft.209002090
Movable Bearingeach64048160
Steel Protective Coatingsq. ft.64048016
Fixed Bearingeach1601600
Steel Protective Coatingsq. ft.1601600
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,23801,23800