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Nearby Bridges in NBI 2021: 4


WEST STREET over ASHUELOT RIVER (Route: 0)
Num:13601230007500x
Open: no restriction [A]
Built: 1952, Reconstructed: 1966
Historic: Bridge is possibly eligible for the NRHP. [3]

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: 29.9 m = 98.1 ft
Main Spans: 2 at 13.7 m = 44.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 16.1 m = 52.8 ft (2 Lanes) and Out-To-Out: 19.6 m = 64.3 ft for a 15.8 m = 51.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Keene [39300]: Cheshire County [005], New Hampshire [33]
Owned by City or Municipal Highway Agency [04], DOT District: 4
0.6 MI FROM KEENE CENTER
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 31.8 metric ton = 35.0 tons (Allowable Stress(AS) [2])
Inventory: 21 metric ton = 23.1 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: July 1999 [799] 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: 0.3 km = 0.2 mi
Traffic
ADT: 19323 (2019) and Trucks: 5%
Future ADT: 28598 (In 2041 )
ISLAND STREET over ASHUELOT RIVER (Route: 0)
Num:13601250006900x
Posted for load [P]
Built: 1979, 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 [3] Other [00]
Approach Span(s): Other [00]
Deck: Concrete Precast Panels [2] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 27.4 m = 89.9 ft
Main Spans: 1 at 26.8 m = 87.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 8.8 m = 28.9 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Keene [39300]: Cheshire County [005], New Hampshire [33]
Owned by City or Municipal Highway Agency [04], DOT District: 4
DOWNTOWN KEENE
Condition
Deck: Very Good [8]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design:
Operating: 32 metric ton = 35.2 tons ()
Inventory: 19.2 metric ton = 21.1 tons ()
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 desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 1999 [799] 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: 0.2 km = 0.1 mi
Traffic
ADT: 7135 (2019) and Trucks: 3%
Future ADT: 10559 (In 2041 )
WINCHESTER STREET over ASHUELOT RIVER (Route: 0)
Num:13601270006800x
Open: no restriction [A]
Built: 1965, Reconstructed: N/A [0000]
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 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: 38.1 m = 125.0 ft
Main Spans: 2 at 18.3 m = 60.0 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 15.9 m = 52.2 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Keene [39300]: Cheshire County [005], New Hampshire [33]
Owned by City or Municipal Highway Agency [04], DOT District: 4
DOWNTOWN KEENE
Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 49.8 metric ton = 54.8 tons (Allowable Stress(AS) [2])
Inventory: 30.6 metric ton = 33.7 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Equal to present minimum criteria [6]
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: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 1999 [799] 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: 0.2 km = 0.1 mi
Traffic
ADT: 13087 (2019) and Trucks: 5%
Future ADT: 19368 (In 2041 )
NH 9:NH 10:NH 12 over WEST STREET (Route: 9)
Num:13601200007600x
Open: no restriction [A]
Built: 1967, Reconstructed: N/A [0000]
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.8 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: 27.1 m = 88.9 ft
Main Spans: 1 at 25.3 m = 83.0 ft
Approach Spans: 0
Skew: 7
Width, Roadway: 13.4 m = 44.0 ft (2 Lanes) and Out-To-Out: 15.1 m = 49.5 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Keene [39300]: Cheshire County [005], New Hampshire [33]
Owned by State Highway Agency [01], DOT District: 4
1.0 MI TO KEENE CENTER
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 52.6 metric ton = 57.9 tons (Load Factor(LF) [1])
Inventory: 31.8 metric ton = 35.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: March 1999 [399] 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: 0.2 km = 0.1 mi
Traffic
ADT: 18076 (2019) and Trucks: 5%
Future ADT: 26752 (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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