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BLAIR ROAD over PEMIGEWASSET RIVER

Map

Coordinates:
+43.81032, -71.66562
43°48'37" N, 71°39'56" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:BLAIR ROAD over PEMIGEWASSET RIVER
Structure number:003501170007600
Location:0.15 MI E JCT US 3
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:141.1 ft. [43.0 m]
Total length:288.1 ft. [87.8 m]
Roadway width between curbs:14.1 ft. [4.3 m]
Deck width edge-to-edge:14.1 ft. [4.3 m]
Vertical clearance above deck:9.5 ft. [2.9 m]
Owner:City or Municipal Highway Agency [04]
Year built:1869
Year reconstructed:2014
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Number of main spans:2
Main spans material:Wood or timber [7]
Main spans 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:Good
Status:Posted for load [P]
Average daily traffic:904 [as of 2017]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
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:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:27.8
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 2018GoodGoodGoodGood90427.8
October 2017GoodGoodGoodGood86027.9
October 2016GoodVery GoodGoodGood86027.9
September 2015GoodVery GoodGoodGood86027.9
July 2014GoodVery GoodGoodGood130027.2
October 2013PoorPoorPoorFair13002.0
December 2012PoorPoorPoorFair13002.0
October 2011PoorFairPoorFair140010.6
September 2010PoorFairPoorFair140010.6
October 2009PoorFairPoorFair140010.6
June 2008PoorFairPoorFair100013.0
December 2007PoorSatisfactoryPoorFair73016.5
August 2006PoorSatisfactoryPoorFair73016.5
July 2004PoorSatisfactoryPoorFair73016.5
December 2002PoorSatisfactoryPoorFair73016.5
January 2002PoorSatisfactoryPoorFair73016.5
October 2000PoorSatisfactoryPoorFair73016.5
September 1999PoorSatisfactoryPoorFair73016.5
August 1998PoorSatisfactoryPoorFair73016.5
April 1997PoorSatisfactoryPoorFair73016.5
September 1996PoorSatisfactoryPoorFair73016.5
November 1995PoorGoodPoorFair73016.3
March 1995PoorGoodPoorFair7301.0
November 1993PoorGoodPoorFair7301.0
October 1992FairGoodFairFair5003.3
December 1991FairGoodFairFair5003.3