+38.18500, -90.38862
38°11'06" N, 90°23'19" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:IS 55 N over UNKNOWN RR
Structure number:1903
Old structure number:A2221R 3 (from 1992 edition)
Location:S 1916 T 40 N R 6 E
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:73.2 ft. [22.3 m]
Total length:191.9 ft. [58.5 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:40.7 ft. [12.4 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Skew angle:42°
Owner:State Highway Agency [01]
Year built:1969
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
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 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:14,966 [as of 2015]
Truck traffic:30% 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:Equal to present minimum criteria [6]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:67.3 tons [61.2 metric tons]
Inventory rating:40.6 tons [36.9 metric tons]
Sufficiency rating:97.3

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201697.3FairSatisfactorySatisfactorySatisfactory-14966
November 201497.3FairGoodSatisfactorySatisfactory-15103
November 201297.3FairGoodSatisfactorySatisfactory-14319
January 201297.3FairGoodSatisfactorySatisfactory-14672
January 201097.3FairGoodSatisfactoryGood-14677
January 200897.3FairGoodSatisfactoryGood-14284
January 200697.4GoodGoodGoodGood-13810
January 200497.3GoodGoodGoodGood-15793
November 200193.3GoodGoodGoodGoodFO14787
January 200090.1GoodGoodGoodGoodFO11127
October 199890.1GoodGoodGoodGoodFO11127
December 199790.1GoodGoodGoodGoodFO11127
January 199790.3GoodGoodGoodGoodFO9394
January 199692.5GoodGoodGoodGoodFO9394
December 199496.5GoodGoodVery GoodGood-9524
January 199496.5GoodGoodGoodGood-9193
January 199396.5GoodGoodGoodGood-9193
December 199196.5GoodGoodGoodVery Good-9480