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RT J S over LITTLE NIANGUA RVR

Map

Coordinates:
+38.06534, -92.90926
38°03'55" N, 92°54'33" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:RT J S over LITTLE NIANGUA RVR
Structure number:8681
Location:S 4 T 38 N R 18 W
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:225.1 ft. [68.6 m]
Total length:524.0 ft. [159.7 m]
Roadway width between curbs:20.0 ft. [6.1 m]
Deck width edge-to-edge:24.9 ft. [7.6 m]
Vertical clearance above deck:15.1 ft. [4.6 m]
Owner:State Highway Agency [01]
Year built:1932
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:M 9 / H 10 [1]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Suspension [13]
Deck type:Open Grating [3]

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:838 [as of 2017]
Truck traffic:6% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Basically intolerable requiring high priority of corrrective action [3]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:30.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$3,654,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018PoorGoodSeriousSatisfactory83830.0
September 2017PoorGoodSeriousSatisfactory8323.0
September 2016PoorGoodSeriousSatisfactory8323.0
September 2015PoorGoodSeriousSatisfactory4363.0
September 2014PoorGoodSeriousSatisfactory4323.0
September 2013PoorGoodSeriousSatisfactory4243.0
September 2012FairGoodFairSatisfactory80022.2
January 2012PoorGoodPoorSatisfactory8163.0
December 2009FairGoodSatisfactorySatisfactory90436.0
December 2008FairVery GoodSatisfactorySatisfactory91835.8
December 2007FairVery GoodSatisfactorySatisfactory84236.4
October 2005FairVery GoodSatisfactorySatisfactory83636.5
October 2003FairVery GoodSatisfactorySatisfactory70237.5
November 2002FairVery GoodSatisfactorySatisfactory71237.5
October 2001FairVery GoodSatisfactorySatisfactory60038.3