Share:

US 61 S over IS 55

Map 

Coordinates:
+38.19199, -90.39575
38°11'31" N, 90°23'45" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:US 61 S over IS 55
Structure number:1481
Old structure number:A1781R 1 (from 1992 edition)
Location:S 1906 T 40 N R 6 E
Purpose:Carries highway over highway
Route classification:Collector (Urban) [17]
Length of largest span:121.1 ft. [36.9 m]
Total length:367.1 ft. [111.9 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:42.7 ft. [13.0 m]
Vertical clearance below bridge:17.4 ft. [5.3 m]
Skew angle:53°
Owner:State Highway Agency [01]
Year built:1969
Year reconstructed:1984
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: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:Other [9]

Latest Available Inspection: November 2016 

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:5,886 [as of 2015]
Truck traffic:10% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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:45.5 tons [41.4 metric tons]
Inventory rating:26.7 tons [24.3 metric tons]
Sufficiency rating:86.1

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201686.1FairFairGoodSatisfactory-5886
November 201486.4FairFairGoodSatisfactory-5375
November 201286.2FairFairGoodSatisfactory-5629
January 201282.4FairFairGoodSatisfactory-4986
January 201080.7FairFairSatisfactorySatisfactory-7172
January 200877.7FairFairSatisfactorySatisfactory-10412
January 200672.7FairFairSatisfactoryGood-18434
January 200470.4FairFairGoodGood-22249
November 200172.8FairSatisfactoryGoodGood-21834
January 200173.3FairSatisfactoryGoodGood-19853
October 199873.4FairSatisfactoryGoodGood-19579
December 199773.4GoodGoodGoodGood-19579
January 199774.9GoodGoodGoodGood-17260
January 199675.7GoodGoodGoodGood-17260
December 199476.9GoodGoodVery GoodVery Good-15227
January 199485.2GoodGoodGoodVery Good-3650
January 199385.2GoodGoodGoodVery Good-3650
December 199185.3GoodGoodGoodVery Good-3440