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BRIDGE ROAD over BLACKWATER RIVER

Map

Coordinates:
+43.43498, -71.83616
43°26'06" N, 71°50'10" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:BRIDGE ROAD over BLACKWATER RIVER
Structure number:000800830009800
Location:0.1 MI S NH 11
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:51.8 ft. [15.8 m]
Total length:65.0 ft. [19.8 m]
Roadway width between curbs:8.9 ft. [2.7 m]
Deck width edge-to-edge:19.0 ft. [5.8 m]
Vertical clearance above deck:11.8 ft. [3.6 m]
Owner:City or Municipal Highway Agency [04]
Year built:1882
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Main span material:Wood or timber [7]
Main span design:Truss - Thru [10]
Deck type:Wood or Timber [8]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:92 [as of 2017]
Truck traffic:4% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:39.3
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$3,142,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018PoorSatisfactoryPoorGood9239.3
December 2017PoorSatisfactoryPoorGood16039.3
October 2016PoorSatisfactoryPoorGood16039.3
October 2015PoorSatisfactoryPoorGood16021.8
October 2014PoorSatisfactoryPoorGood16021.8
December 2013PoorSatisfactoryPoorGood16021.8
October 2012PoorSatisfactoryPoorGood16021.8
December 2011PoorSatisfactoryPoorGood16021.8
August 2010PoorGoodPoorGood16021.8
October 2009PoorGoodPoorGood16021.8
October 2008PoorGoodPoorGood16021.8
February 2007PoorGoodPoorGood16021.8
January 2005FairGoodFairGood16036.5
January 2003FairGoodSatisfactoryGood16046.5
February 2001FairGoodSatisfactoryGood16046.5
January 1999FairGoodSatisfactoryGood16046.5
September 1996FairGoodSatisfactoryGood16046.5
September 1994FairGoodSatisfactoryGood16051.7
September 1992FairGoodSatisfactoryGood16051.7
July 1990FairGoodSatisfactoryGood16051.9