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Nearby Bridges in NBI 2021: 3


CENTENARY AVENUE over NHRR (Route: 0)
Num:13901260016300x
Posted for load [P]
Built: 1940, Reconstructed: N/A [0000]
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Wood or timber [7] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 36.9 m = 121.1 ft
Main Spans: 7 at 6.7 m = 22.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5 m = 16.4 ft (2 Lanes) and Out-To-Out: 6.9 m = 22.6 ft for a 6.1 m = 20.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Laconia [40180]: Belknap County [001], New Hampshire [33]
Owned by State Highway Agency [01], DOT District: 3
TOWN RD
Condition
Deck: Serious [3]
Superstructure: Serious [3]
Substructure: Poor [4]
Loading
Design:
Operating: 10.8 metric ton = 11.9 tons (Allowable Stress(AS) [2])
Inventory: 8 metric ton = 8.8 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Basically intolerable requiring high priority of replacement [2]
Waterway: N/A [N] and Bridge not over waterway. [N]
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: 0.2 km = 0.1 mi
Traffic
ADT: 91 (2019) and Trucks: 4%
Future ADT: 134 (In 2041 )
US 3 over NHRR (Route: 3)
Num:13901310015400x
Open: no restriction [A]
Built: 1933, Reconstructed: 2020
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): Prestressed concrete [5] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]
Bridge Dimensions
Length: 9.8 m = 32.2 ft
Main Spans: 1 at 8.8 m = 28.9 ft
Approach Spans: 0
Skew: 25
Width, Roadway: 8.2 m = 26.9 ft (2 Lanes) and Out-To-Out: 11.4 m = 37.4 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
Laconia [40180]: Belknap County [001], New Hampshire [33]
Owned by State Highway Agency [01], DOT District: 3
2.02 MI S. MEREDITH T/L
Condition
Deck: Excellent [9]
Superstructure: Excellent [9]
Substructure: Good [7]
Loading
Design: HL93 [A]
Operating: 50 metric ton = 55.0 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 38.6 metric ton = 42.5 tons (Load and Resistance Factor(LRFR) [3])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
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: 7.4 km = 4.6 mi
Traffic
ADT: 15495 (2019) and Trucks: 5%
Future ADT: 22932 (In 2041 )
US 3 over PAUGUS BAY (Route: 3)
Num:13901330015400x
Open: no restriction [A]
Built: 1933, Reconstructed: N/A [0000]
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 27.4 m = 89.9 ft
Main Spans: 1 at 24.4 m = 80.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.2 m = 26.9 ft (2 Lanes) and Out-To-Out: 11.7 m = 38.4 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
Laconia [40180]: Belknap County [001], New Hampshire [33]
Owned by State Highway Agency [01], DOT District: 3
7.4 MI FROM BELMONT TL
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 89.8 metric ton = 98.8 tons (Load Factor(LF) [1])
Inventory: 89.8 metric ton = 98.8 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: May 1999 [599] 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: 15495 (2019) and Trucks: 5%
Future ADT: 22932 (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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