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Nearby Bridges in NBI 2021: 2


SR 510 DEPOT HILL over INTERSTATE-91 (Route: 510)
Num:1275x
Open: no restriction [A]
Built: 1959, Reconstructed: 1990
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.7 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: 56.7 m = 186.0 ft
Main Spans: 4 at 17.7 m = 58.1 ft
Approach Spans: 0
Skew: 6
Width, Roadway: 11.3 m = 37.1 ft (2 Lanes) and Out-To-Out: 15.4 m = 50.5 ft for a 11.3 m = 37.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Enfield [25990]: Hartford County [003], Connecticut [09]
Owned by State Highway Agency [01], DOT District: 1
.8 MILE N OF E WINDSOR TL
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 61.9 metric ton = 68.1 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 47.3 metric ton = 52.0 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
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: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 4200 (2016) and Trucks: 5%
Future ADT: 6241 (In 2036 )
PLEASANT ROAD over BOWEYNS BROOK (Route: 0)
Num:6992x
Open: no restriction [A]
Built: 2007, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.8 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Frame [07]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 6.2 m = 20.3 ft
Main Spans: 1 at 6.2 m = 20.3 ft
Approach Spans: 0
Skew: 12
Width, Roadway: 8.9 m = 29.2 ft (2 Lanes) and Out-To-Out: 10.2 m = 33.5 ft for a 8.9 m = 29.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Enfield [25990]: Hartford County [003], Connecticut [09]
Owned by Town or Township Highway Agency [03], DOT District: 1
0.5 miles South of Sr 510
Condition
Deck: Not Applicable [N]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design:
Operating: 99.9 metric ton = 109.9 tons (No rating analysis or evaluation performed [5])
Inventory: 70.5 metric ton = 77.6 tons (No rating analysis or evaluation performed [5])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Better than present minimum criteria [7]
Waterway: Better than present minimum criteria [7] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: May 2020 [0520] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 357 (2020) and Trucks: 8%
Future ADT: 530 (In 2040 )

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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