SR 816 (GLEN RD) over HOUSATONIC RIVER (Route: 816)
Num:507x
Open: no restriction [A]
Built: 1936, Reconstructed: 1986
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] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Latex Concrete or similar additive [3]

Bridge Dimensions
Length: 93.9 m = 308.1 ft
Main Spans: 1 at 91.4 m = 299.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.8 m = 28.9 ft (2 Lanes) and Out-To-Out: 9.6 m = 31.5 ft for a 8.8 m = 28.9 ft approaching roadway.
Vertical Clearance: 4.45 m = 14.6 ft and Navigational Clearance: 0 = N/A

Location
Newtown [52980]: Fairfield County [001], Connecticut [09]
Owned by State Highway Agency [01], DOT District: 4
GLEN RD O/ LAKE ZOAR

Condition
Deck: Good [7]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 50.8 metric ton = 55.9 tons (Load Factor(LF) [1])
Inventory: 30.8 metric ton = 33.9 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: Basically intolerable requiring high priority of corrrective action [3]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: August 2020 [0820] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 2800 (2016) and Trucks: 5%
Future ADT: 4161 (In 2036 )

WALNUT TREE HILLRD over POOTATUCK RIVER (Route: 0)
Num:5028x
Open: no restriction [A]
Built: 1938, Reconstructed: 2017
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): Prestressed concrete [5] Box beam or girders - Multiple [05]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 18.9 m = 62.0 ft
Main Spans: 1 at 18.7 m = 61.4 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 8.8 m = 28.9 ft (2 Lanes) and Out-To-Out: 11.8 m = 38.7 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Newtown [52980]: Fairfield County [001], Connecticut [09]
Owned by Town or Township Highway Agency [03], DOT District: 4
300 FT NORTH OF SR 816

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: HL93 [A]
Operating: 57.3 metric ton = 63.0 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 44.1 metric ton = 48.5 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: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: July 2020 [0720] and Frequency: 24

Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 1812 (2020) and Trucks: 7%
Future ADT: 2692 (In 2040 )