Ridge Road over Slate River


+37.70245, -78.37649
37°42'09" N, 78°22'35" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Ridge Road over Slate River
Structure number:000000000004115
Location:1.10-Rt.652/1.30-Rt 673
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:65.9 ft. [20.1 m]
Total length:196.9 ft. [60.0 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:29.9 ft. [9.1 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1975
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:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:188 [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: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:Better than present minimum criteria [7]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:96.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2017GoodGoodGoodGood18896.9
January 2015GoodGoodGoodGood19096.9
January 2013GoodGoodGoodGood18891.9
January 2011GoodGoodGoodGood18891.9
January 2009GoodGoodGoodGood18891.9
January 2007GoodGoodGoodGood9892.9
January 2005GoodGoodGoodGood9892.9
February 2003GoodGoodGoodGood11691.9
February 2001GoodGoodGoodGood11691.9
February 1999GoodGoodVery GoodGood11191.9
April 1997GoodGoodVery GoodGood20391.9
March 1995GoodGoodVery GoodGood13691.9
May 1993GoodVery GoodVery GoodVery Good11891.9
March 1991GoodVery GoodVery GoodVery Good6894.0