Bridge Type
Main Span(s): Steel [3] Movable - Swing [17]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 159.1 m = 522.0 ft
Main Spans: 20 at 41.1 m = 134.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 9.6 m = 31.5 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 5.46 m = 17.9 ft and Navigational Clearance: 3 m = 9.8 ft
Location
Unknown [00000]: Livingston Parish [063], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 62
3.7 M S OF LA 444
Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 49.9 metric ton = 54.9 tons (Allowable Stress(AS) [2])
Inventory: 29 metric ton = 31.9 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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: January 2020 [0120] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 1520 (2016) and Trucks: 12%
Future ADT: 1298 (In 2036
)