Merrimac Road /657 over Slate Creek


+37.18965, -80.42547
37°11'23" N, 80°25'32" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Merrimac Road /657 over Slate Creek
Structure number:000000000012285
Location:0.00-Rte 808;0.01-Rte 701
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:22.0 ft. [6.7 m]
Total length:24.0 ft. [7.3 m]
Roadway width between curbs:21.7 ft. [6.6 m]
Deck width edge-to-edge:24.3 ft. [7.4 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1932
Year reconstructed:1999
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Wood or timber [7]
Main span design:Slab [01]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:1,230 [as of 2014]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:77.6
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$448,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017GoodGoodGoodGood123077.6
September 2015GoodGoodGoodGood123077.6
September 2013GoodGoodGoodGood144277.5
September 2011GoodGoodGoodGood144277.5
September 2009GoodGoodGoodGood144277.5
September 2007GoodGoodGoodGood144276.5
September 2005GoodVery GoodVery GoodGood144277.5
September 2003GoodVery GoodVery GoodVery Good160075.7
September 2001GoodVery GoodVery GoodVery Good160078.7
September 1999GoodExcellentExcellentVery Good160076.7
May 1997PoorVery GoodPoorGood251014.0
May 1996PoorVery GoodPoorGood146216.5
June 1995PoorVery GoodPoorGood146216.3
July 1994PoorVery GoodPoorGood146216.3
July 1993PoorVery GoodPoorGood146216.3
June 1992PoorGoodPoorGood95117.6
June 1991PoorGoodPoorGood123016.9