+43.82487, -71.23522
43°49'30" N, 71°14'07" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NH 25 over STONY BROOK
Structure number:025201660013400
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:21.0 ft. [6.4 m]
Total length:21.0 ft. [6.4 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1986
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Concrete [1]
Main span design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,100 [as of 2013]
Truck traffic:7% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Superior to present desirable criteria [9]
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]
Pier/abutment protection:Navigation protection not required [1]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:97.4
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

DateConditionCulvert ConditionADTSuff. Rating
May 2017Fair6 out of 10410097.4
May 2015Fair6 out of 10410097.4
May 2013Fair6 out of 10460097.4
May 2011Good7 out of 10460097.4
August 2010Good7 out of 10550097.2
June 2009Good7 out of 10550097.2
July 2008Good7 out of 10550097.2
April 2006Good7 out of 10390097.5
April 2004Good7 out of 10390099.5
June 2002Good8 out of 10390097.5
April 2000Good8 out of 10390097.5
May 1996Good8 out of 10390097.5
June 1994Good8 out of 10360097.5
May 1992Good8 out of 10360097.5
June 1990Good8 out of 10360097.5

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Abutmentlinear ft.66511500
Reinforced Concrete Culvertlinear ft.62322910
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.59461300