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Nearby Bridges in NBI 2021: 2


HWY BRIDGE ST over WATER STONY BROOK (Route: 0)
Num:W2600626HMUNNBIx
Posted for load [P]
Built: 1870, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Masonry [8] Slab [01]
Approach Span(s): Other [00]
Deck: Other [9] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 8.5 m = 27.9 ft
Main Spans: 4 at 1.8 m = 5.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.1 m = 20.0 ft (2 Lanes) and Out-To-Out: 7 m = 23.0 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
Westford [76135]: Middlesex County [017], Massachusetts [25]
Owned by Town or Township Highway Agency [03], DOT District: 3
1 MI S OF ST-40
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design:
Operating: 90.5 metric ton = 99.6 tons (Allowable Stress(AS) [2])
Inventory: 48.1 metric ton = 52.9 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: February 2020 [0220] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 2700 (2014) and Trucks: 2%
Future ADT: 4264 (In 2033 )
HWY TOWN FARM RD over WATER STONY BROOK (Route: 0)
Num:W2600726FMUNNBIx
Open: no restriction [A]
Built: 1949, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.8 Kilometers)

Bridge Type
Main Span(s): Steel [3] Culvert [19]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]
Bridge Dimensions
Length: 7.9 m = 25.9 ft
Main Spans: 2 at 3 m = 9.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.3 m = 27.2 ft (2 Lanes) and Out-To-Out: 9.4 m = 30.8 ft for a 7 m = 23.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Westford [76135]: Middlesex County [017], Massachusetts [25]
Owned by Town or Township Highway Agency [03], DOT District: 3
.4 MI. N. OF RT. 225
Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design:
Operating: 84 metric ton = 92.4 tons (Load Factor(LF) [1])
Inventory: 50 metric ton = 55.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
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 conditions; field review indicates action is required. [4]
Inspections
Date: March 2020 [0320] and Frequency: 24
Future Work
Work Needed: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 2825 (2015) and Trucks: 5%
Future ADT: 3948 (In 2033 )

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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