Bridge Type
Main Span(s): Steel [3] Movable - Swing [17]
Approach Span(s): Concrete [1] Tee beam [04]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 292.9 m = 961.0 ft
Main Spans: 3 at 85.3 m = 279.9 ft
Approach Spans: 14
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 8.4 m = 27.6 ft for a 12.8 m = 42.0 ft approaching roadway.
Vertical Clearance: 4.57 m = 15.0 ft and Navigational Clearance: 3 m = 9.8 ft
Location
Unknown [00000]: St. Tammany Parish [103], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 62
US0090
Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Fair [5]
Loading
Design: M 13.5 / H 15 [2]
Operating: 28.1 metric ton = 30.9 tons (Allowable Stress(AS) [2])
Inventory: 10.9 metric ton = 12.0 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: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: April 2020 [0420] 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: 15.9 km = 9.9 mi
Traffic
ADT: 2300 (2016) and Trucks: 11%
Future ADT: 1748 (In 2036
)
