Bridge Type
Main Span(s): Steel continuous [4] Movable - Swing [17]
Approach Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Deck: Steel plate (includes orthotropic) [5] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 87.5 m = 287.1 ft
Main Spans: 2 at 21.3 m = 69.9 ft
Approach Spans: 2
Skew: 0
Width, Roadway: 5.9 m = 19.4 ft (2 Lanes) and Out-To-Out: 6.1 m = 20.0 ft for a 6.4 m = 21.0 ft approaching roadway.
Vertical Clearance: 3.91 m = 12.8 ft and Navigational Clearance: 2.1 m = 6.9 ft
Location
Westport [83500]: Fairfield County [001], Connecticut [09]
Owned by State Highway Agency [01], DOT District: 3
BETWEEN I-95 EXIT 17 & 18
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Poor [4]
Loading
Design: MS 18 / HS 20 [5]
Operating: 13 metric ton = 14.3 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 10 metric ton = 11.0 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: September 2020 [0920] 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: 0.2 km = 0.1 mi
Traffic
ADT: 14600 (2017) and Trucks: 5%
Future ADT: 21694 (In 2037
)