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Nearby Bridges in NBI 2021: 2


US ROUTE 7 over HOUSATONIC RIVER (Route: 7)
Num:562x
Open: no restriction [A]
Built: 1931, Reconstructed: 2010
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: 76.5 m = 251.0 ft
Main Spans: 1 at 74.1 m = 243.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 16.5 m = 54.1 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
Salisbury [66420]: Litchfield County [005], Connecticut [09]
Owned by State Highway Agency [01], DOT District: 4
T.L. CANAAN & SALISBURY
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: HL93 [A]
Operating: 78.1 metric ton = 85.9 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 60.3 metric ton = 66.3 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: September 2020 [0920] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 2.4 km = 1.5 mi
Traffic
ADT: 3200 (2015) and Trucks: 5%
Future ADT: 4755 (In 2035 )
US ROUTE 7 over HOUSATONIC RAILROAD (Route: 7)
Num:563x
Open: no restriction [A]
Built: 1931, Reconstructed: 1988
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 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: 42.7 m = 140.1 ft
Main Spans: 3 at 13.7 m = 44.9 ft
Approach Spans: 0
Skew: 42
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 10.3 m = 33.8 ft for a 8.8 m = 28.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Canaan [10940]: Litchfield County [005], Connecticut [09]
Owned by State Highway Agency [01], DOT District: 4
500' N OF SALISBURY TL
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 78.8 metric ton = 86.7 tons (Load Factor(LF) [1])
Inventory: 47.3 metric ton = 52.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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: May 1999 [599] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.8 km = 1.1 mi
Traffic
ADT: 3200 (2015) and Trucks: 5%
Future ADT: 4755 (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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