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ANTRIM ROAD over CONTOOCOOK RIVER

Map

Coordinates:
+43.00831, -71.93195
43°00'30" N, 71°55'55" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ANTRIM ROAD over CONTOOCOOK RIVER
Structure number:002100880009500
Location:0.05 MI FR CONTOOCOOK VA
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:107.9 ft. [32.9 m]
Total length:144.0 ft. [43.9 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:27.6 ft. [8.4 m]
Owner:City or Municipal Highway Agency [04]
Year built:1929
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:M 13.5 / H 15 [2]
Main span material:Concrete [1]
Main span design:Arch - Deck [11]
Deck type:Not applicable [N]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,700 [as of 2014]
Truck traffic:4% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 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: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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:53.9
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
July 2017FairSatisfactorySatisfactorySatisfactory270053.9
July 2015FairSatisfactorySatisfactorySatisfactory270055.2
July 2013FairSatisfactorySatisfactorySatisfactory250055.2
July 2011FairSatisfactorySatisfactorySatisfactory340052.5
June 2009FairSatisfactorySatisfactorySatisfactory340052.5
January 2007FairSatisfactorySatisfactorySatisfactory280052.7
June 2003FairSatisfactorySatisfactorySatisfactory220055.3
December 1999FairFairFairSatisfactory220047.2
August 1996FairFairFairSatisfactory220047.2
August 1994FairFairFairSatisfactory220059.7
August 1992FairFairFairSatisfactory160061.7
July 1990FairFairFairSatisfactory160061.7