Rock Bridge Road over IS 95

Map

Coordinates:
+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]`

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

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
May 2017	Fair	Fair	Satisfactory	Fair	170	78.4
May 2015	Fair	Fair	Satisfactory	Fair	170	77.4
May 2013	Fair	Fair	Very Good	Fair	191	79.4
May 2011	Fair	Fair	Very Good	Fair	191	79.4
May 2009	Fair	Fair	Very Good	Satisfactory	191	85.4
May 2007	Fair	Satisfactory	Very Good	Satisfactory	244	86.4
May 2005	Fair	Satisfactory	Good	Satisfactory	230	85.4
May 2003	Fair	Satisfactory	Good	Satisfactory	220	85.4
May 2001	Fair	Satisfactory	Good	Satisfactory	201	85.4
May 1999	Fair	Satisfactory	Good	Satisfactory	364	80.8
May 1997	Fair	Satisfactory	Good	Satisfactory	354	80.8
May 1995	Fair	Very Good	Good	Satisfactory	354	79.8
May 1993	Fair	Fair	Very Good	Satisfactory	331	82.8
June 1991	Fair	Fair	Very Good	Fair	340	68.8