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Nearby Bridges in NBI 2021: 2


SR 727 over NAUGATUCK RIVER & MNRR (Route: 727)
Num:1661x
Open: no restriction [A]
Built: 1960, Reconstructed: 1993
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 119.8 m = 393.1 ft
Main Spans: 4 at 33.5 m = 109.9 ft
Approach Spans: 0
Skew: 29
Width, Roadway: 14.6 m = 47.9 ft (3 Lanes) and Out-To-Out: 19.1 m = 62.7 ft for a 14.6 m = 47.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Ansonia [01220]: New Haven County [009], Connecticut [09]
Owned by State Highway Agency [01], DOT District: 4
0.2 MI W OF RT 115
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 92.5 metric ton = 101.8 tons (Load Factor(LF) [1])
Inventory: 55.3 metric ton = 60.8 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: February 1999 [299] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 8900 (2016) and Trucks: 6%
Future ADT: 13225 (In 2036 )
ROUTE 334 over NAUGATUCK RIVER & MN RR (Route: 334)
Num:1592x
Open: no restriction [A]
Built: 1958, Reconstructed: 2011
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 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: 134.4 m = 441.0 ft
Main Spans: 6 at 27.7 m = 90.9 ft
Approach Spans: 0
Skew: 33
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 13.6 m = 44.6 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Ansonia [01220]: New Haven County [009], Connecticut [09]
Owned by State Highway Agency [01], DOT District: 4
50 FT WEST OF ROUTE 115
Condition
Deck: Very Good [8]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: HL93 [A]
Operating: 43.1 metric ton = 47.4 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 33 metric ton = 36.3 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
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: Equal to present desirable criteria [8] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: February 1999 [299] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 8500 (2016) and Trucks: 5%
Future ADT: 12630 (In 2036 )

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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