Bridge Type
Main Span(s): Steel [3] Movable - Swing [17]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 283.8 m = 931.1 ft
Main Spans: 1 at 62.2 m = 204.1 ft
Approach Spans: 18
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 8.3 m = 27.2 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 5.2 m = 17.1 ft
Location
Port Vincent [62105]: Livingston Parish [063], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 62
1.6 M S OF LA 444
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 23.6 metric ton = 26.0 tons (Allowable Stress(AS) [2])
Inventory: 7.3 metric ton = 8.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Better than present minimum criteria [7]
Waterway: Better than present minimum criteria [7] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: December 2020 [1220] 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: 4.7 km = 2.9 mi
Traffic
ADT: 5600 (2016) and Trucks: 11%
Future ADT: 4730 (In 2036
)