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N BLACKSTONE AVE over HERNDON CANAL

Map 

Coordinates:
+36.77972, -119.79056
36°46'47" N, 119°47'26" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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 

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]
Operating rating:59.5 tons [54.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:94.4

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201494.4Not deficientGoodGoodVery Good28100
February 201394.4Not deficientSatisfactoryGoodSatisfactory28100
December 201093.2Not deficientSatisfactoryGoodSatisfactory40200
November 200693.2Not deficientSatisfactoryGoodSatisfactory40200
December 200468.8Not deficientSatisfactorySatisfactorySatisfactory40200
November 200268.8Not deficientSatisfactorySatisfactorySatisfactory40200
December 200068.8Not deficientSatisfactorySatisfactorySatisfactory40200
December 199868.8Not deficientSatisfactorySatisfactoryGood40200
December 199647.5Functionally obsoleteGood-Good40200
October 199448.8Functionally obsoleteSatisfactorySatisfactorySatisfactory40200
May 199244.4Structurally deficientSatisfactorySatisfactorySatisfactory40200