Bridge Type
Main Span(s): Steel [3] Movable - Lift [15]
Approach Span(s): Concrete [1] Slab [01]
Deck: Open Grating [3] with Wearing Surface:
Bridge Dimensions
Length: 125 m = 410.1 ft
Main Spans: 1 at 48.8 m = 160.1 ft
Approach Spans: 10
Skew: 0
Width, Roadway: 8.6 m = 28.2 ft (2 Lanes) and Out-To-Out: 11.8 m = 38.7 ft for a 14.6 m = 47.9 ft approaching roadway.
Vertical Clearance: 5.31 m = 17.4 ft and Navigational Clearance: 15.2 m = 49.9 ft
Location
Unknown [00000]: Lafourche Parish [057], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 2
.1 MI NORTH OF LA 655
Condition
Deck: Satisfactory [6]
Superstructure: Serious [3]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 26.6 metric ton = 29.3 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 20.4 metric ton = 22.4 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 corrrective action [3]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 1999 [699] 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: 1.9 km = 1.2 mi
Traffic
ADT: 11400 (2016) and Trucks: 11%
Future ADT: 18300 (In 2036
)