MOUNTAIN ROAD over BLACKWATER RIVER

Map

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

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]`

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

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
October 2018	Good	Excellent	Excellent	Very Good	92	91.3
May 2017	Good	Excellent	Excellent	Very Good	50	91.6
October 2016	Good	Excellent	Excellent	Very Good	50	91.6
October 2014	Good	Excellent	Excellent	Very Good	50	91.6
October 2012	Good	Excellent	Excellent	Very Good	50	91.6
December 2011	Good	Excellent	Excellent	Excellent	50	91.6
December 2010	Good	Excellent	Excellent	Excellent	50	91.6
October 2009	Fair	Good	Satisfactory	Good	50	38.5
June 2008	Fair	Good	Satisfactory	Good	50	38.5
December 2007	Fair	Good	Satisfactory	Good	50	38.5
June 2006	Fair	Good	Satisfactory	Good	50	38.5
April 2006	Poor	Good	Serious	Good	50	13.7
October 2003	Fair	Good	Satisfactory	Good	50	32.4
November 2002	Good	Good	Good	Good	50	32.4
April 2001	Good	Very Good	Good	Good	50	32.4
December 2000	Good	Very Good	Good	Good	50	32.4
October 1999	Good	Very Good	Good	Good	50	32.4
December 1998	Good	Very Good	Good	Good	50	32.4
September 1997	Fair	Good	Satisfactory	Good	50	32.4
May 1996	Fair	Good	Satisfactory	Good	50	35.6
November 1995	Good	Very Good	Good	Good	50	42.2
February 1994	Good	Very Good	Good	Good	50	42.2
October 1992	Good	Very Good	Good	Good	50	42.2
December 1991	Good	Very Good	Good	Good	50	42.2