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 2014 

Status:Open, no restriction [A]
Average daily traffic:13,935 [as of 2014]
Truck traffic:35% 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. ratingEvaluationDeckSuper.Sub.ADT
November 201497.4Not deficientSatisfactoryGoodGood13935
November 201297.4Not deficientSatisfactoryGoodGood13160
January 201297.3Not deficientSatisfactoryVery GoodGood14175
January 201097.3Not deficientSatisfactoryVery GoodGood14180
January 200897.4Not deficientSatisfactoryVery GoodGood13361
January 200686.3Not deficientSatisfactoryVery GoodFair13652
January 200497.3Not deficientSatisfactoryVery GoodSatisfactory14490
November 200197.4Not deficientSatisfactoryVery GoodSatisfactory13567