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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
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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 

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]
Evaluation:Functionally obsolete [2]
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. ratingEvaluationDeckSuper.Sub.ADT
August 201576.2Functionally obsoleteSatisfactorySatisfactorySatisfactory47169
August 201375.9Functionally obsoleteGoodSatisfactorySatisfactory51494
August 201174.5Functionally obsoleteGoodSatisfactorySatisfactory37227
September 200974.6Functionally obsoleteGoodSatisfactorySatisfactory37983
August 200773.8Functionally obsoleteGoodGoodSatisfactory51276
August 200574.2Functionally obsoleteGoodGoodSatisfactory43811
July 200374.3Functionally obsoleteGoodGoodSatisfactory43420
June 200173.3Functionally obsoleteGoodGoodSatisfactory42612
July 200069.8Functionally obsoleteGoodGoodSatisfactory47676
July 199969.5Functionally obsoleteGoodGoodSatisfactory50254
July 199869.5Functionally obsoleteGoodGoodSatisfactory50254
July 199769.5Functionally obsoleteGoodGoodSatisfactory50254
August 199669.9Functionally obsoleteGoodGoodSatisfactory47265
December 199572.1Functionally obsoleteGoodGoodSatisfactory47265
February 199472.5Not deficientGoodGoodGood42787
December 199272.5Not deficientGoodGoodGood42787
December 199172.6Not deficientSatisfactorySatisfactoryVery Good41300