IS 55 S over US 61


+38.15798, -90.35794
38°09'29" N, 90°21'29" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:IS 55 S over US 61
Structure number:1906
Location:S 28 T 40 N R 6 E
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:59.1 ft. [18.0 m]
Total length:149.0 ft. [45.4 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:15.7 ft. [4.8 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1969
Year reconstructed:2009
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:Latex Concrete or similar additive [3]

Latest Available Inspection: November 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:13,628 [as of 2015]
Truck traffic:20% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Better than present minimum criteria [7]
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]
Sufficiency rating:97.4

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201697.4FairSatisfactoryGoodGood-13628
November 201497.4FairSatisfactoryGoodGood-13935
November 201297.4FairSatisfactoryGoodGood-13160
January 201297.3FairSatisfactoryVery GoodGood-14175
January 201097.3FairSatisfactoryVery GoodGood-14180
January 200897.4FairSatisfactoryVery GoodGood-13361
January 200686.3FairSatisfactoryVery GoodFair-13652
January 200497.3FairSatisfactoryVery GoodSatisfactory-14490
November 200197.4FairSatisfactoryVery GoodSatisfactory-13567