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IS 55 S over CST GASCONADE ST

Map

Coordinates:
+38.58047, -90.22595
38°34'50" N, 90°13'33" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 55 S over CST GASCONADE ST
Structure number:878
Location:S 3 T 44 N R 7 E
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:69.9 ft. [21.3 m]
Total length:161.1 ft. [49.1 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:13.1 ft. [4.0 m]
Skew angle:44°
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:3
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:52,726 [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:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:75.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,151,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairSatisfactorySatisfactorySatisfactory5272675.8
August 2015FairSatisfactorySatisfactorySatisfactory5134075.9
August 2013FairSatisfactorySatisfactorySatisfactory5675475.6
August 2011FairSatisfactorySatisfactorySatisfactory5059873.6
September 2009FairSatisfactorySatisfactorySatisfactory5162573.7
August 2007FairSatisfactorySatisfactorySatisfactory5563673.5
August 2005FairSatisfactorySatisfactorySatisfactory4998373.9
July 2003FairSatisfactorySatisfactorySatisfactory4953673.9
June 2001FairGoodGoodSatisfactory4861472.9

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Reinforced Concrete Columneach84400
Reinforced Concrete Abutmentlinear ft.19817211150
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3220304108
Deck
Reinforced Concrete Slabsq. ft.9,1611,6307,0564750
Wearing Surfacessq. ft.8,24508,24500