IS 64 WBL over Colonial Parkway


+37.27807, -76.66268
37°16'41" N, 76°39'46" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 64 WBL over Colonial Parkway
Structure number:000000000019840
Location:2.15 Mi To Int Rte 143
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:55.1 ft. [16.8 m]
Total length:55.1 ft. [16.8 m]
Roadway width between curbs:42.0 ft. [12.8 m]
Deck width edge-to-edge:49.9 ft. [15.2 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:16°
Owner:State Highway Agency [01]
Year built:1965
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Concrete [1]
Main span design:Arch - Deck [11]
Deck type:Not applicable [N]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: January 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:28,131 [as of 2014]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 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:Equal to present desirable criteria [8]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:95.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2018FairSatisfactorySatisfactoryGood2813195.4
January 2016FairSatisfactorySatisfactoryGood2813191.2
February 2014FairSatisfactorySatisfactoryGood2571791.5
January 2012FairSatisfactorySatisfactoryGood2571791.5
January 2010FairSatisfactorySatisfactoryGood2571794.6
March 2008FairSatisfactorySatisfactoryGood2571789.4
February 2006FairSatisfactorySatisfactoryGood2571789.4
March 2004FairSatisfactorySatisfactoryGood2571789.4
February 2002FairSatisfactorySatisfactoryGood2571789.4
February 2000FairSatisfactorySatisfactoryGood2571789.4
April 1998FairSatisfactoryVery GoodSatisfactory2500089.5
March 1996FairSatisfactoryVery GoodGood2400090.1
February 1994FairSatisfactoryVery GoodVery Good1695290.6
March 1992FairSatisfactoryVery GoodVery Good3390589.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Archlinear ft.5555000
Reinforced Concrete Abutmentlinear ft.166166000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.109822700
Masonry Bridge Raillinear ft.109510580
Other Material Slabsq. ft.2,7282,728000