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Nearby Bridges in NBI 2021: 1


HWY CONCORD RD over OTHER CENTRAL RAIL TRAIL (Route: 0)
Num:W290042NPDOT634x
Open: no restriction [A]
Built: 1911, Reconstructed: N/A [0000]
Historic: Bridge is possibly eligible for the NRHP. [3]

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Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 11.3 m = 37.1 ft
Main Spans: 1 at 9.1 m = 29.9 ft
Approach Spans: 0
Skew: 3
Width, Roadway: 7.7 m = 25.3 ft (2 Lanes) and Out-To-Out: 10.4 m = 34.1 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Weston [77255]: Middlesex County [017], Massachusetts [25]
Owned by State Highway Agency [01], DOT District: 6
0.6 KM NWLY BSTON POST RD
Condition
Deck: Not Applicable [N]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design:
Operating: 99.9 metric ton = 109.9 tons (Load Factor(LF) [1])
Inventory: 67.7 metric ton = 74.5 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: Equal to present minimum criteria [6]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: January 2021 [0121] and Frequency: 24
Future Work
Work Needed: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 8500 (2019) and Trucks: 11%
Future ADT: 15319 (In 2032 )

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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