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IS 55 N over CST GASCONADE ST

Map

Coordinates:
+38.58044, -90.22555
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:15.1 ft. [4.6 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 2015

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:47,169 [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: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]
Operating rating:61.4 tons [55.8 metric tons]
Inventory rating:36.6 tons [33.3 metric tons]
Sufficiency rating:76.2
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,365,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201576.2FairSatisfactorySatisfactorySatisfactoryFO47169
August 201375.9FairGoodSatisfactorySatisfactoryFO51494
August 201174.5FairGoodSatisfactorySatisfactoryFO37227
September 200974.6FairGoodSatisfactorySatisfactoryFO37983
August 200773.8FairGoodGoodSatisfactoryFO51276
August 200574.2FairGoodGoodSatisfactoryFO43811
July 200374.3FairGoodGoodSatisfactoryFO43420
June 200173.3FairGoodGoodSatisfactoryFO42612
July 200069.8FairGoodGoodSatisfactoryFO47676
July 199969.5FairGoodGoodSatisfactoryFO50254
July 199869.5FairGoodGoodSatisfactoryFO50254
July 199769.5FairGoodGoodSatisfactoryFO50254
August 199669.9FairGoodGoodSatisfactoryFO47265
December 199572.1FairGoodGoodSatisfactoryFO47265
February 199472.5GoodGoodGoodGood-42787
December 199272.5GoodGoodGoodGood-42787
December 199172.6FairSatisfactorySatisfactoryVery Good-41300

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Substructure
Reinforced Concrete Columneach81700
Reinforced Concrete Abutmentlinear ft.1980186120
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.428042080
Deck
Reinforced Concrete Slabsq. ft.10,987010,8471400
Wearing Surfacessq. ft.9,8848,89698800