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, -71.4628043°05'45" N, 71°27'46" W
Facts
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] |
Latest Available Inspection: September 2009
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 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
September 2009 | - | - | - | - | - | 0.0 |
January 1999 | Fair | - | - | Fair | - | 0.0 |