NH111 over NASHUA RIVER
Map
Coordinates:
+42.71284, -71.5486742°42'46" N, 71°32'55" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | NH111 over NASHUA RIVER |
Structure number: | 012701440004200 |
Location: | .7 MI FROM NASHUA TL |
Purpose: | Carries highway and pedestrian walkway over waterway |
Route classification: | Minor Arterial (Urban) [16] |
Length of largest span: | 78.1 ft. [23.8 m] |
Total length: | 252.0 ft. [76.8 m] |
Roadway width between curbs: | 42.3 ft. [12.9 m] |
Deck width edge-to-edge: | 46.6 ft. [14.2 m] |
Owner: | State Highway Agency [01] |
Year built: | 1950 |
Year reconstructed: | 1982 |
Historic significance: | Bridge is possibly eligible for the National Register of Historic Places [3] |
Design load: | M 18 / H 20 [4] |
Number of main spans: | 2 |
Main spans material: | Concrete continuous [2] |
Main spans design: | Arch - Deck [11] |
Deck type: | Concrete Cast-in-Place [1] |
Wearing surface: | Bituminous [6] |
Latest Available Inspection: May 2018
Good/Fair/Poor Condition: | Fair |
Status: | Open, no restriction [A] |
Average daily traffic: | 12,959 [as of 2017] |
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: | 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: | Equal to present desirable criteria [8] |
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: | 69.1 |
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
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
May 2018 | Fair | Satisfactory | Satisfactory | Satisfactory | 12959 | 69.1 |
May 2016 | Fair | Satisfactory | Satisfactory | Satisfactory | 13000 | 69.1 |
May 2014 | Fair | Satisfactory | Satisfactory | Satisfactory | 12000 | 69.8 |
May 2012 | Fair | Satisfactory | Satisfactory | Satisfactory | 12000 | 69.8 |
May 2010 | Fair | Satisfactory | Satisfactory | Satisfactory | 11000 | 71.6 |
April 2008 | Good | Good | Good | Good | 13000 | 70.1 |
March 2006 | Good | Good | Good | Good | 11000 | 71.6 |
March 2004 | Good | Good | Good | Good | 11000 | 71.6 |
March 2002 | Good | Good | Good | Good | 11000 | 69.6 |
March 2000 | Good | Good | Good | Good | 11000 | 69.6 |
June 1998 | Good | Good | Good | Good | 11000 | 68.6 |
June 1996 | Good | Good | Good | Good | 11000 | 68.6 |
May 1994 | Good | Good | Good | Good | 10000 | 86.1 |
May 1992 | Good | Good | Good | Good | 4150 | 91.8 |
April 1990 | Good | Good | Good | Good | 4150 | 92.8 |