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Nearby Bridges in NBI 2021: 2


ROUTE 15 over ROUTE 136 (Route: 15)
Num:731x
Posted for other load-capacity restriction [R]
Built: 1938, Reconstructed: 1994
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Frame [07]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 16.5 m = 54.1 ft
Main Spans: 1 at 14.6 m = 47.9 ft
Approach Spans: 0
Skew: 45
Width, Roadway: 21.3 m = 69.9 ft (5 Lanes) and Out-To-Out: 23.8 m = 78.1 ft for a 17.4 m = 57.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Westport [83500]: Fairfield County [001], Connecticut [09]
Owned by State Highway Agency [01], DOT District: 3
1.8 MI WEST TOWN LINE
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 61.4 metric ton = 67.5 tons (Load Factor(LF) [1])
Inventory: 36.6 metric ton = 40.3 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 70000 (2015) and Trucks: 0%
Future ADT: 104013 (In 2035 )
ROUTE 15 over ROUTE 57 (Route: 15)
Num:730x
Posted for other load-capacity restriction [R]
Built: 1938, Reconstructed: 1994
Historic: Bridge is on the NRHP. [1]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Frame [07]
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: 14.9 m = 48.9 ft
Main Spans: 1 at 14.9 m = 48.9 ft
Approach Spans: 0
Skew: 8
Width, Roadway: 27.4 m = 89.9 ft (6 Lanes) and Out-To-Out: 29.7 m = 97.4 ft for a 25.6 m = 84.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Westport [83500]: Fairfield County [001], Connecticut [09]
Owned by State Highway Agency [01], DOT District: 3
ROUTE 15 EXIT 42
Condition
Deck: Not Applicable [N]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design:
Operating: 52.6 metric ton = 57.9 tons ()
Inventory: 30.8 metric ton = 33.9 tons ()
Appraisal
Structural: Equal to present minimum criteria [6]
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: July 2020 [0720] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 67500 (2015) and Trucks: 1%
Future ADT: 100298 (In 2035 )

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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