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Nearby Bridges in NBI 2021: 1


US202:NH 9 over CONTOOCOOK RIVER (Route: 202)
Num:12900490009600x
Open: no restriction [A]
Built: 1961, Reconstructed: 2020
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 95.7 m = 314.0 ft
Main Spans: 3 at 36.6 m = 120.1 ft
Approach Spans: 0
Skew: 10
Width, Roadway: 11 m = 36.1 ft (2 Lanes) and Out-To-Out: 12.2 m = 40.0 ft for a 11.6 m = 38.1 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
0.2 MI EAST HENNIKER T/L
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 53.9 metric ton = 59.3 tons (Load Factor(LF) [1])
Inventory: 32.3 metric ton = 35.5 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: August 2020 [0820] 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 km = 0.6 mi
Traffic
ADT: 16276 (2019) and Trucks: 7%
Future ADT: 24088 (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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