IS 64 EBL & WBL over N Armistead Ave


+37.03394, -76.36108
37°02'02" N, 76°21'40" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 64 EBL & WBL over N Armistead Ave
Structure number:000000000020324
Location:0.12 Mi Fr Int SR 167
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:67.9 ft. [20.7 m]
Total length:236.9 ft. [72.2 m]
Roadway width between curbs:118.1 ft. [36.0 m]
Deck width edge-to-edge:123.0 ft. [37.5 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:44°
Owner:State Highway Agency [01]
Year built:1957
Year reconstructed:1986
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
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:Latex Concrete or similar additive [3]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:96,040 [as of 2014]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:54.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$3,704,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018PoorSatisfactoryPoorSatisfactory9604054.0
June 2016FairSatisfactorySatisfactorySatisfactory9604076.0
June 2014FairSatisfactorySatisfactorySatisfactory9311478.0
June 2012FairSatisfactorySatisfactorySatisfactory9311478.0
June 2010FairSatisfactorySatisfactorySatisfactory9311478.0
August 2008FairFairFairFair9311466.0
June 2006FairFairFairFair9667466.0
June 2004FairFairFairFair9887866.0
June 2002FairFairFairFair9780766.0
August 2000FairFairFairFair9600066.0
August 1998FairSatisfactoryFairFair9566867.0
August 1996FairFairFairFair7661066.0
August 1994FairSatisfactorySatisfactorySatisfactory7661076.0
June 1992FairFairVery GoodFair7661064.0
June 1990FairFairVery GoodFair7661066.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.2,1331,7051040324
Prestressed Concrete Girder/Beamlinear ft.3,0812,9011133136
Reinforced Concrete Decksq. ft.29,15128,1261,02500
Wearing Surfacessq. ft.27,96626,941001,025
Reinforced Concrete Columneach3025500
Reinforced Concrete Abutmentlinear ft.26313113200
Reinforced Concrete Pier Caplinear ft.3512707803
Pourable Jointlinear ft.620620000
Elastomeric Bearingeach7270002
Movable Bearingeach5200520
Steel Protective Coatingsq. ft.5200520
Fixed Bearingeach5200520
Steel Protective Coatingsq. ft.5200520
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.71154616500