Blackwater Road over Blackwater River


+36.80385, -76.86282
36°48'14" N, 76°51'46" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Blackwater Road over Blackwater River
Structure number:000000000010386
Location:0.00 MI.FR.SOHAM.CO.LINE
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:55.1 ft. [16.8 m]
Total length:167.3 ft. [51.0 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:30.5 ft. [9.3 m]
Owner:State Highway Agency [01]
Year built:1970
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: February 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,138 [as of 2014]
Truck traffic:1% of total traffic
Deck condition:Good [7 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:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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:74.7
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$60,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2018FairGoodSatisfactoryGood113874.7
February 2016FairGoodSatisfactorySatisfactory113868.9
February 2014FairGoodSatisfactorySatisfactory94671.0
February 2012FairGoodFairSatisfactory94658.1
March 2010FairGoodFairSatisfactory94658.1
March 2008FairVery GoodGoodSatisfactory112369.1
March 2006FairVery GoodGoodSatisfactory113968.9
May 2004FairVery GoodGoodSatisfactory112369.1
April 2002FairVery GoodGoodSatisfactory108169.5
April 2000GoodVery GoodGoodGood88971.6
January 1998GoodVery GoodGoodGood88971.6
January 1996FairSatisfactoryGoodGood70783.4
January 1994FairFairGoodFair96559.3
January 1992FairFairGoodFair29075.3