IS 55 S over UP RR


+38.28342, -90.40356
38°17'00" N, 90°24'13" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:IS 55 S over UP RR
Structure number:705
Location:S 420 T 41 N R 6 E
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:58.1 ft. [17.7 m]
Total length:155.8 ft. [47.5 m]
Roadway width between curbs:41.0 ft. [12.5 m]
Deck width edge-to-edge:43.6 ft. [13.3 m]
Vertical clearance below bridge:23.3 ft. [7.1 m]
Skew angle:16°
Owner:State Highway Agency [01]
Year built:1965
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:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2016 

Status:Open, no restriction [A]
Average daily traffic:30,614 [as of 2015]
Truck traffic:15% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:77.2 tons [70.2 metric tons]
Inventory rating:46.5 tons [42.3 metric tons]
Sufficiency rating:95.6

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201695.6Not deficientFairSatisfactoryGood30614
November 201495.4Not deficientFairSatisfactoryGood27712
November 201295.5Not deficientFairSatisfactoryGood26274
January 201276.0Functionally obsoleteFairSatisfactoryGood28206
January 201076.2Functionally obsoleteFairGoodGood28779
January 200877.2Functionally obsoleteSatisfactoryGoodGood29430
December 200577.1Functionally obsoleteSatisfactoryGoodGood31172
January 200492.9Functionally obsoleteGoodGoodGood22405
November 200193.0Functionally obsoleteGoodGoodGood20978