Share:

MOUNTAIN ROAD over BLACKWATER RIVER

Map

Coordinates:
+43.40160, -71.79042
43°24'06" N, 71°47'26" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MOUNTAIN ROAD over BLACKWATER RIVER
Structure number:022900950013500
Location:TOWN RD 0.94 MI ANDOVER
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:103.0 ft. [31.4 m]
Total length:108.9 ft. [33.2 m]
Roadway width between curbs:23.0 ft. [7.0 m]
Deck width edge-to-edge:26.9 ft. [8.2 m]
Owner:City or Municipal Highway Agency [04]
Year built:2010
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:92 [as of 2017]
Deck condition:Excellent [9 out of 9]
Superstructure condition:Excellent [9 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:91.3
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 2018GoodExcellentExcellentVery Good9291.3
May 2017GoodExcellentExcellentVery Good5091.6
October 2016GoodExcellentExcellentVery Good5091.6
October 2014GoodExcellentExcellentVery Good5091.6
October 2012GoodExcellentExcellentVery Good5091.6
December 2011GoodExcellentExcellentExcellent5091.6
December 2010GoodExcellentExcellentExcellent5091.6
October 2009FairGoodSatisfactoryGood5038.5
June 2008FairGoodSatisfactoryGood5038.5
December 2007FairGoodSatisfactoryGood5038.5
June 2006FairGoodSatisfactoryGood5038.5
April 2006PoorGoodSeriousGood5013.7
October 2003FairGoodSatisfactoryGood5032.4
November 2002GoodGoodGoodGood5032.4
April 2001GoodVery GoodGoodGood5032.4
December 2000GoodVery GoodGoodGood5032.4
October 1999GoodVery GoodGoodGood5032.4
December 1998GoodVery GoodGoodGood5032.4
September 1997FairGoodSatisfactoryGood5032.4
May 1996FairGoodSatisfactoryGood5035.6
November 1995GoodVery GoodGoodGood5042.2
February 1994GoodVery GoodGoodGood5042.2
October 1992GoodVery GoodGoodGood5042.2
December 1991GoodVery GoodGoodGood5042.2