IS 55 S over CST 2ND ST


+38.59086, -90.21391
38°35'27" N, 90°12'50" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 55 S over CST 2ND ST
Structure number:882
Location:S 344 T 45 N R 7 E
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:78.7 ft. [24.0 m]
Total length:597.1 ft. [182.0 m]
Roadway width between curbs:54.1 ft. [16.5 m]
Deck width edge-to-edge:56.8 ft. [17.3 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:Bituminous [6]

Latest Available Inspection: September 2015

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:51,114 [as of 2015]
Truck traffic:12% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:56.4 tons [51.3 metric tons]
Inventory rating:33.7 tons [30.6 metric tons]
Sufficiency rating:65.6

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201565.6FairSatisfactoryFairSatisfactory-51114
August 201376.9FairSatisfactoryGoodSatisfactory-56480
August 201174.8FairSatisfactoryGoodSatisfactory-50354
September 200974.9FairSatisfactoryGoodSatisfactory-51377
August 200774.6FairSatisfactoryGoodSatisfactory-55369
August 200575.0FairSatisfactoryGoodSatisfactory-49763
July 200375.0FairGoodGoodSatisfactory-49319
June 200175.0FairGoodGoodSatisfactory-48402

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.4,0542,8861,16530
Steel Protective Coatingsq. ft.33,43129,2564,17500
Reinforced Concrete Decksq. ft.32,874032,3475270
Wearing Surfacessq. ft.32,28632,286000
Reinforced Concrete Columneach2104170
Reinforced Concrete Abutmentlinear ft.1680111570
Concrete Protective Coatingsq. ft.315003150
Reinforced Concrete Pier Caplinear ft.439043360
Strip Seal Jointlinear ft.1880616364
Movable Bearingeach56035201
Steel Protective Coatingsq. ft.56035021
Fixed Bearingeach1401400
Steel Protective Coatingsq. ft.1401400
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,20001,20000