Rock Bridge Road over IS 95


+36.63874, -77.56124
36°38'19" N, 77°33'40" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Rock Bridge Road over IS 95
Structure number:000000000009129
Location:1.15 from 650/0.15 to 301
Purpose:Carries highway over highway
Route classification:Minor Collector (Rural) [08]
Length of largest span:66.6 ft. [20.3 m]
Total length:257.2 ft. [78.4 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:29.5 ft. [9.0 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:27°
Owner:State Highway Agency [01]
Year built:1960
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:4
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:170 [as of 2014]
Truck traffic:2% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:78.4
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$946,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairFairSatisfactoryFair17078.4
May 2015FairFairSatisfactoryFair17077.4
May 2013FairFairVery GoodFair19179.4
May 2011FairFairVery GoodFair19179.4
May 2009FairFairVery GoodSatisfactory19185.4
May 2007FairSatisfactoryVery GoodSatisfactory24486.4
May 2005FairSatisfactoryGoodSatisfactory23085.4
May 2003FairSatisfactoryGoodSatisfactory22085.4
May 2001FairSatisfactoryGoodSatisfactory20185.4
May 1999FairSatisfactoryGoodSatisfactory36480.8
May 1997FairSatisfactoryGoodSatisfactory35480.8
May 1995FairVery GoodGoodSatisfactory35479.8
May 1993FairFairVery GoodSatisfactory33182.8
June 1991FairFairVery GoodFair34068.8