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NH 27 over LAMPREY RIVER

Map

Coordinates:
+43.06285, -71.22724
43°03'46" N, 71°13'38" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NH 27 over LAMPREY RIVER
Structure number:021900830015100
Location:.6 MI E CANDIA TL
Purpose:Carries highway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:26.9 ft. [8.2 m]
Total length:65.0 ft. [19.8 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:46.3 ft. [14.1 m]
Owner:State Highway Agency [01]
Year built:1932
Year reconstructed:1974
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 13.5 / H 15 [2]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,148 [as of 2017]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Better than present minimum criteria [7]
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 is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:74.6
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
April 2018FairSatisfactorySatisfactoryGood314874.6
April 2016FairSatisfactorySatisfactoryGood270074.6
April 2014FairSatisfactorySatisfactoryGood270072.6
April 2012FairSatisfactorySatisfactoryGood280072.5
April 2010FairSatisfactorySatisfactoryGood280072.5
April 2008FairSatisfactorySatisfactoryGood750070.1
August 2006FairSatisfactorySatisfactoryGood750070.1
June 2004FairSatisfactorySatisfactoryGood250072.7
April 2002FairSatisfactorySatisfactoryGood250072.7
April 2000FairSatisfactorySatisfactoryGood250072.7
August 1998FairSatisfactoryGoodGood250072.7
July 1996FairSatisfactoryGoodGood250072.7
July 1994FairSatisfactoryGoodGood250088.8
May 1992GoodGoodGoodGood310088.5
May 1990GoodGoodGoodGood310091.5