RT AA E over IS 55


+38.14287, -90.33668
38°08'34" N, 90°20'12" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:RT AA E over IS 55
Structure number:1668
Old structure number:A1987R 1 (from 1992 edition)
Location:S 2 T 39 N R 6 E
Purpose:Carries highway over highway
Route classification:Minor Collector (Rural) [08]
Length of largest span:138.8 ft. [42.3 m]
Total length:394.0 ft. [120.1 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:30.5 ft. [9.3 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Skew angle:52°
Owner:State Highway Agency [01]
Year built:1970
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:4
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: December 2015 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:547 [as of 2015]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:36.6 tons [33.3 metric tons]
Inventory rating:21.8 tons [19.8 metric tons]
Sufficiency rating:71.0

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201571.0FairSatisfactoryFairSatisfactory-547
September 201459.3PoorSatisfactoryPoorSatisfactorySD536
November 201275.4FairSatisfactoryFairSatisfactory-570
January 201275.3FairSatisfactoryFairSatisfactory-632
January 201087.2FairSatisfactoryGoodSatisfactory-666
January 200887.2FairSatisfactoryGoodSatisfactory-598
January 200687.3FairSatisfactoryGoodSatisfactory-528
January 200487.1FairSatisfactoryVery GoodSatisfactory-724
November 200188.1FairSatisfactoryVery GoodSatisfactory-738
January 200187.6FairSatisfactoryVery GoodSatisfactory-432
October 199887.6FairSatisfactoryVery GoodGood-418
December 199786.6GoodGoodVery GoodGood-418
January 199787.4GoodGoodVery GoodGood-591
January 199688.5GoodGoodGoodGood-591
December 199488.5GoodGoodGoodVery Good-546
January 199484.6GoodGoodGoodVery Good-537
February 199384.6GoodGoodGoodVery Good-537
December 199184.6GoodGoodGoodVery Good-506