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CO RD NW 250 over LIT BLACKWATER CR

Map

Coordinates:
+38.80470, -93.93592
38°48'17" N, 93°56'09" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CO RD NW 250 over LIT BLACKWATER CR
Structure number:20482
Old structure number:26200031 051 (from 1992 edition)
Location:S 7 T 46 N R 27 W
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:59.1 ft. [18.0 m]
Total length:61.0 ft. [18.6 m]
Roadway width between curbs:22.6 ft. [6.9 m]
Deck width edge-to-edge:23.3 ft. [7.1 m]
Owner:County Highway Agency [02]
Year built:1996
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: December 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:40 [as of 2014]
Truck traffic:10% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 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]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:92.7

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2016FairVery GoodSatisfactoryGood4092.7
December 2014FairVery GoodSatisfactoryGood4092.7
December 2012FairVery GoodSatisfactoryGood4092.7
December 2010FairVery GoodSatisfactoryGood4092.7
October 2008FairVery GoodSatisfactoryGood4092.7
August 2007FairVery GoodSatisfactoryGood4092.7
April 2005FairExcellentSatisfactoryGood4092.7
September 2003FairExcellentSatisfactoryGood4092.7
January 2001FairExcellentSatisfactoryGood4092.7
July 1997FairExcellentSatisfactoryGood4087.7