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N BLACKSTONE AVE over HERNDON CANAL

Map

Coordinates:
+36.77954, -119.78985
36°46'46" N, 119°47'23" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:N BLACKSTONE AVE over HERNDON CANAL
Structure number:42C0589
Location:AT SHIELDS AVE
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:20.0 ft. [6.1 m]
Total length:41.0 ft. [12.5 m]
Roadway width between curbs:131.9 ft. [40.2 m]
Deck width edge-to-edge:190.0 ft. [57.9 m]
Skew angle:29°
Owner:City or Municipal Highway Agency [04]
Year built:1941
Year reconstructed:2003
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:2
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: December 2014

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:28,100 [as of 2010]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:94.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2014GoodGoodGoodVery Good2810094.4
February 2013FairSatisfactoryGoodSatisfactory2810094.4
December 2010FairSatisfactoryGoodSatisfactory4020093.2
November 2006FairSatisfactoryGoodSatisfactory4020093.2
December 2004FairSatisfactorySatisfactorySatisfactory4020068.8
November 2002FairSatisfactorySatisfactorySatisfactory4020068.8
December 2000FairSatisfactorySatisfactorySatisfactory4020068.8
December 1998FairSatisfactorySatisfactoryGood4020068.8
December 1996GoodGood-Good4020047.5
October 1994FairSatisfactorySatisfactorySatisfactory4020048.8
May 1992FairSatisfactorySatisfactorySatisfactory4020044.4

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Reinforced Concrete Pier Walllinear ft.4444000
Reinforced Concrete Abutmentlinear ft.8888000
Reinforced Concrete Pile Cap/Footinglinear ft.20200
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.6060000
Deck
Reinforced Concrete Slabsq. ft.71056114360
Wearing Surfacessq. ft.490490000