+43.00435, -71.34886
43°00'16" N, 71°20'56" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NH121 over SUCKER BROOK
Structure number:001300970012400
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:30.2 ft. [9.2 m]
Total length:32.5 ft. [9.9 m]
Roadway width between curbs:25.3 ft. [7.7 m]
Deck width edge-to-edge:29.2 ft. [8.9 m]
Owner:State Highway Agency [01]
Year built:1930
Year reconstructed:1992
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 13.5 / H 15 [2]
Main span material:Concrete [1]
Main span design:Frame [07]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:4,200 [as of 2014]
Truck traffic:5% 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:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
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 the assessed or calculated scour condition. [8]
Sufficiency rating:66.4
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
March 2017GoodGoodGoodGood420066.4
March 2015GoodGoodGoodGood420068.0
April 2013GoodGoodGoodGood380068.2
April 2011GoodGoodGoodGood380068.2
April 2009GoodGoodGoodGood360068.2
June 2007GoodGoodGoodGood420068.0
June 2003GoodGoodGoodGood400066.1
June 2001GoodGoodGoodGood400066.1
June 2000GoodGoodGoodVery Good400066.1
June 1998GoodGoodGoodVery Good400066.1
July 1996GoodGoodGoodVery Good400066.1
July 1994GoodVery GoodVery GoodVery Good400065.8
May 1992GoodVery GoodVery GoodVery Good380065.9
April 1990GoodVery GoodVery GoodGood350064.0