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IS 55 N over CST GASCONADE ST

Map

Coordinates:
+38.58042, -90.22562
38°34'50" N, 90°13'32" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 55 N over CST GASCONADE ST
Structure number:879
Old structure number:A1083R 3 (from 1992 edition)
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:193.9 ft. [59.1 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:48,443 [as of 2016]
Truck traffic:12% of total traffic
Deck condition:Fair [5 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: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:63.4
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,365,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairFairFairSatisfactory4844363.4
August 2015FairSatisfactorySatisfactorySatisfactory4716976.2
August 2013FairGoodSatisfactorySatisfactory5149475.9
August 2011FairGoodSatisfactorySatisfactory3722774.5
September 2009FairGoodSatisfactorySatisfactory3798374.6
August 2007FairGoodGoodSatisfactory5127673.8
August 2005FairGoodGoodSatisfactory4381174.2
July 2003FairGoodGoodSatisfactory4342074.3
June 2001FairGoodGoodSatisfactory4261273.3
July 2000FairGoodGoodSatisfactory4767669.8
July 1999FairGoodGoodSatisfactory5025469.5
July 1998FairGoodGoodSatisfactory5025469.5
July 1997FairGoodGoodSatisfactory5025469.5
August 1996FairGoodGoodSatisfactory4726569.9
December 1995FairGoodGoodSatisfactory4726572.1
February 1994GoodGoodGoodGood4278772.5
December 1992GoodGoodGoodGood4278772.5
December 1991FairSatisfactorySatisfactoryVery Good4130072.6

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Reinforced Concrete Columneach81700
Reinforced Concrete Abutmentlinear ft.1980179136
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.428042080
Deck
Reinforced Concrete Slabsq. ft.10,98709,8871,1000
Wearing Surfacessq. ft.9,88409,88130