Bridge Type
Main Span(s): Steel [3] Movable - Swing [17]
Approach Span(s): Concrete [1] Mixed types [20]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 358.1 m = 1174.9 ft
Main Spans: 1 at 82.3 m = 270.0 ft
Approach Spans: 19
Skew: 0
Width, Roadway: 6.1 m = 20.0 ft (2 Lanes) and Out-To-Out: 6.5 m = 21.3 ft for a 17.4 m = 57.1 ft approaching roadway.
Vertical Clearance: 4.34 m = 14.2 ft and Navigational Clearance: 4 m = 13.1 ft
Location
New Orleans [55000]: Orleans Parish [071], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 2
3.7 MI EAST OF US 11
Condition
Deck: Poor [4]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design: M 13.5 / H 15 [2]
Operating: 28.1 metric ton = 30.9 tons (Load Factor(LF) [1])
Inventory: 17.2 metric ton = 18.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge is scour critical; field review indicates that extensive scour has occurred at bridge foundations. [2]
Inspections
Date: February 2020 [0220] 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: 2.4 km = 1.5 mi
Traffic
ADT: 1410 (2016) and Trucks: 20%
Future ADT: 2499 (In 2036
)
