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Nearby Bridges in NBI 2021: 1


WILTON ROAD over SOUHEGAN RIVER (Route: 0)
Num:10400750011400x
Open: no restriction [A]
Built: 1938, Reconstructed: 1986
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 52.7 m = 172.9 ft
Main Spans: 1 at 51.2 m = 168.0 ft
Approach Spans: 0
Skew: 37
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 9.8 m = 32.2 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 4.25 m = 13.9 ft and Navigational Clearance: 0 = N/A
Location
Greenville [31940]: Hillsborough County [011], New Hampshire [33]
Owned by City or Municipal Highway Agency [04], DOT District: 4
260FT RTE 31
Condition
Deck: Good [7]
Superstructure: Fair [5]
Substructure: Poor [4]
Loading
Design: M 13.5 / H 15 [2]
Operating: 27.2 metric ton = 29.9 tons (Allowable Stress(AS) [2])
Inventory: 17.2 metric ton = 18.9 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: November 2020 [1120] and Frequency: 16
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 1769 (2018) and Trucks: 4%
Future ADT: 2618 (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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