IS 55 N over CST 2ND ST


+38.59028, -90.21389
38°35'25" N, 90°12'50" 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:19.7 ft. [6.0 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 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:56,399 [as of 2016]
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]
Sufficiency rating:84.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairSatisfactorySatisfactorySatisfactory5639984.9
September 2015FairSatisfactorySatisfactorySatisfactory5491685.0
August 2013FairGoodGoodSatisfactory5995284.7
August 2011FairGoodGoodSatisfactory4334286.6
September 2009FairGoodGoodSatisfactory4422286.7
August 2007FairGoodGoodSatisfactory5969985.9
August 2005FairGoodGoodSatisfactory5100886.3
July 2003FairGoodGoodSatisfactory5055286.4
June 2001FairGoodGoodSatisfactory4621686.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
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 Columneach21110100
Reinforced Concrete Abutmentlinear ft.1780132460
Concrete Protective Coatingsq. ft.340003400
Reinforced Concrete Pier Caplinear ft.512355143140
Strip Seal Jointlinear ft.209002090
Movable Bearingeach641440100
Steel Protective Coatingsq. ft.6405347
Fixed Bearingeach168080
Steel Protective Coatingsq. ft.160808
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,23801,23800