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IS 55 S over CST GASCONADE ST

Map 

Coordinates:
+38.58048, -90.22586
38°34'50" N, 90°13'33" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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: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:51,340 [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:62.4 tons [56.7 metric tons]
Inventory rating:37.6 tons [34.2 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:75.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,151,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201575.9Functionally obsoleteSatisfactorySatisfactorySatisfactory51340
August 201375.6Functionally obsoleteSatisfactorySatisfactorySatisfactory56754
August 201173.6Functionally obsoleteSatisfactorySatisfactorySatisfactory50598
September 200973.7Functionally obsoleteSatisfactorySatisfactorySatisfactory51625
August 200773.5Functionally obsoleteSatisfactorySatisfactorySatisfactory55636
August 200573.9Functionally obsoleteSatisfactorySatisfactorySatisfactory49983
July 200373.9Functionally obsoleteSatisfactorySatisfactorySatisfactory49536
June 200172.9Functionally obsoleteGoodGoodSatisfactory48614