RT D S over US 61


+39.23208, -91.01265
39°13'55" N, 91°00'46" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:RT D S over US 61
Structure number:2993
Old structure number:A3574 1 (from 1992 edition)
Location:S 1708 T 52 N R 1 W
Purpose:Carries highway over highway
Route classification:Major Collector (Rural) [07]
Length of largest span:114.8 ft. [35.0 m]
Total length:270.0 ft. [82.3 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:47.2 ft. [14.4 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1983
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:2
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: December 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,014 [as of 2016]
Truck traffic:11% of total traffic
Deck condition:Good [7 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: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:57.4 tons [52.2 metric tons]
Inventory rating:34.7 tons [31.5 metric tons]
Sufficiency rating:78.7

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201678.7FairGoodSatisfactorySatisfactory-2014
December 201473.9FairGoodVery GoodSatisfactory-1818
December 201273.9FairGoodVery GoodSatisfactory-1728
December 201073.7FairGoodVery GoodSatisfactory-2046
January 200973.7FairGoodVery GoodSatisfactory-2046
November 200673.7GoodGoodVery GoodGood-2808
December 200486.9GoodGoodGoodGood-184
October 200286.9GoodGoodGoodGood-186
January 200286.9GoodGoodGoodGood-187
November 199986.9GoodGoodGoodGood-199
December 199886.9GoodGoodGoodExcellent-193
November 199786.9GoodGoodVery GoodExcellent-193
December 199687.1FairSatisfactoryGoodExcellent-178
February 199688.4FairSatisfactorySatisfactoryExcellent-178
November 199488.5FairSatisfactorySatisfactoryExcellent-170
February 199488.5FairSatisfactorySatisfactoryExcellent-167
November 199288.5FairSatisfactorySatisfactoryExcellent-167
December 199188.6GoodVery GoodVery GoodExcellent-157