Bridge Type
Main Span(s): Steel [3] Movable - Bascule [16]
Approach Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 151.8 m = 498.1 ft
Main Spans: 1 at 40.8 m = 133.9 ft
Approach Spans: 3
Skew: 0
Width, Roadway: 15.9 m = 52.2 ft (4 Lanes) and Out-To-Out: 20 m = 65.6 ft for a 15.9 m = 52.2 ft approaching roadway.
Vertical Clearance: 5.21 m = 17.1 ft and Navigational Clearance: 3 m = 9.8 ft
Location
Norwalk [56060]: Fairfield County [001], Connecticut [09]
Owned by State Highway Agency [01], DOT District: 3
I-95 EXIT 16 TO RT 136 WB
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 34.7 metric ton = 38.2 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 28.8 metric ton = 31.7 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 Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: May 2020 [0520] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 17900 (2017) and Trucks: 6%
Future ADT: 26598 (In 2037
)
