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Nearby Bridges in NBI 2021: 2


CENTRAL STREET over PEMIGEWASSET RIVER (Route: 0)
Num:3201130006400x
Open: no restriction [A]
Built: 2009, Reconstructed: N/A [0000]
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] 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: 75.6 m = 248.0 ft
Main Spans: 1 at 73.2 m = 240.2 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.4 m = 27.6 ft (2 Lanes) and Out-To-Out: 11.3 m = 37.1 ft for a 6.7 m = 22.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Bristol [07700]: Grafton County [009], New Hampshire [33]
Owned by City or Municipal Highway Agency [04], DOT District: 2
AT NEW HAMPTON TL
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 68.2 metric ton = 75.0 tons (Load Factor(LF) [1])
Inventory: 45.4 metric ton = 49.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Better than present minimum criteria [7]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: August 1999 [899] 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: 1.4 km = 0.9 mi
Traffic
ADT: 780 (2019) and Trucks: 4%
Future ADT: 1154 (In 2041 )
NH 3A over NEWFOUND RIVER (Route: 3)
Num:3201090006100x
Open: no restriction [A]
Built: 1949, Reconstructed: N/A [0000]
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 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: 21.9 m = 71.9 ft
Main Spans: 2 at 10.4 m = 34.1 ft
Approach Spans: 0
Skew: 10
Width, Roadway: 11 m = 36.1 ft (2 Lanes) and Out-To-Out: 15.6 m = 51.2 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
Bristol [07700]: Grafton County [009], New Hampshire [33]
Owned by State Highway Agency [01], DOT District: 2
2.0 MI. FROM HILL T.L.
Condition
Deck: Poor [4]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design: M 18 / H 20 [4]
Operating: 33.6 metric ton = 37.0 tons (Load Factor(LF) [1])
Inventory: 24.5 metric ton = 27.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: November 2020 [1120] and Frequency: 8
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 2972 (2019) and Trucks: 4%
Future ADT: 4398 (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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