64 WBL Flyover J over Mercury Blvd & Loop B


+37.04050, -76.39267
37°02'26" N, 76°23'34" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:64 WBL Flyover J over Mercury Blvd & Loop B
Structure number:000000000026149
Location:0.50 Mi Fr Rte 258
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:192.9 ft. [58.8 m]
Total length:418.0 ft. [127.4 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Owner:State Highway Agency [01]
Year built:2005
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 continuous [4]
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: April 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,000 [as of 2011]
Truck traffic:2% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:97.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018FairSatisfactorySatisfactorySatisfactory200097.8
April 2016FairSatisfactorySatisfactorySatisfactory200097.8
April 2014FairSatisfactorySatisfactorySatisfactory200097.8
April 2012FairSatisfactorySatisfactoryGood120097.9
April 2010GoodGoodGoodGood120097.9
April 2008GoodVery GoodVery GoodVery Good120097.9
April 2006GoodVery GoodVery GoodVery Good120097.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.2,0231,9655800
Steel Protective Coatingsq. ft.33,85833,8035500
Reinforced Concrete Decksq. ft.13,79412,6841,11000
Prestressed Concrete Columneach22000
Strip Seal Jointlinear ft.3333000
Assembly without Seal Jointlinear ft.3303300
Steel Protective Coatingsq. ft.3303300
Elastomeric Bearingeach1212000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.8367686800