BYPASSED HISTORIC over MERRIMACK RIVER

This bridge is no longer in the current National Bridge Inventory database, and has likely been demolished or abandoned.

Map

Coordinates:
+43.09592, -71.46280
43°05'45" N, 71°27'46" W

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	BYPASSED HISTORIC over MERRIMACK RIVER
Structure number:	012800830015000
Location:	.28 MI.SE.NH.3-A
Route classification:	Local (Rural) `[09]`
Length of largest span:	170.0 ft. `[51.8 m]`
Total length:	490.2 ft. `[149.4 m]`
Roadway width between curbs:	18.7 ft. `[5.7 m]`
Deck width edge-to-edge:	22.0 ft. `[6.7 m]`
Vertical clearance above deck:	15.4 ft. `[4.7 m]`
Owner:	City or Municipal Highway Agency `[04]`
Year built:	1909
Historic significance:	Bridge is eligible for the National Register of Historic Places `[2]`
Design load:	M 9 / H 10 `[1]`
Number of main spans:	3
Main spans material:	Steel `[3]`
Main spans design:	Truss - Thru `[10]`
Deck type:	Wood or Timber `[8]`
Wearing surface:	Bituminous `[6]`

Status:	Bridge closed to all traffic `[K]`
Deck geometry appraisal:	Unknown `[*]`
Water adequacy appraisal:	Superior to present desirable criteria `[9]`
Roadway alignment appraisal:	Equal to present minimum criteria `[6]`
Channel protection:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. `[6]`
Scour condition:	Bridge with "unknown" foundation that has not been evaluated for scour. `[U]`
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$2,500,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
September 2009	-	-	-	-	-	0.0
January 1999	Fair	-	-	Fair	-	0.0