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Nearby Bridges in NBI 2021: 2


W HOPKINTON ROAD over CONTOOCOOK RIVER (Route: 0)
Num:12900550011200x
Posted for load [P]
Built: 1853, Reconstructed: 1996
Historic: Bridge is on the NRHP. [1]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Wood or timber [7] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 51.5 m = 169.0 ft
Main Spans: 1 at 47.5 m = 155.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.4 m = 14.4 ft (1 Lanes) and Out-To-Out: 6.3 m = 20.7 ft for a 5.8 m = 19.0 ft approaching roadway.
Vertical Clearance: 3.25 m = 10.7 ft and Navigational Clearance: 0 = N/A
Location
Hopkinton [37540]: Merrimack County [013], New Hampshire [33]
Owned by City or Municipal Highway Agency [04], DOT District: 5
206 FT FR CLEMENT HILL R
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design:
Operating: 9.8 metric ton = 10.8 tons (Load Factor(LF) [1])
Inventory: 6.5 metric ton = 7.2 tons (Load Factor(LF) [1])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 1999 [699] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 493 (2019) and Trucks: 4%
Future ADT: 729 (In 2041 )
NH127 over TAIL RACE (Route: 127)
Num:12900590011100x
Open: no restriction [A]
Built: 0, Reconstructed: N/A [0000]
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Culvert [19]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]
Bridge Dimensions
Length: 7 m = 23.0 ft
Main Spans: 1 at 7 m = 23.0 ft
Approach Spans: 0
Skew: 10
Width, Roadway: 0 m = 0.0 ft (2 Lanes) and Out-To-Out: 0 m = 0.0 ft for a 6.9 m = 22.6 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Hopkinton [37540]: Merrimack County [013], New Hampshire [33]
Owned by State Highway Agency [01], DOT District: 5
1.1 MILE N JCT US202:NH 9
Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design:
Operating: 52.3 metric ton = 57.5 tons ()
Inventory: 31.4 metric ton = 34.5 tons ()
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: N/A [N]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: May 2020 [0520] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 3474 (2019) and Trucks: 7%
Future ADT: 5141 (In 2041 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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