Bridge Type
Main Span(s): Steel [3] Movable - Lift [15]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Open Grating [3] with Wearing Surface:
Bridge Dimensions
Length: 85.6 m = 280.9 ft
Main Spans: 1 at 20.1 m = 65.9 ft
Approach Spans: 7
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 12.5 m = 41.0 ft for a 12.8 m = 42.0 ft approaching roadway.
Vertical Clearance: 4.57 m = 15.0 ft and Navigational Clearance: 15.2 m = 49.9 ft
Location
Breaux Bridge [09340]: St. Martin Parish [099], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 3
LA0336-01
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 35.4 metric ton = 38.9 tons (Load Factor(LF) [1])
Inventory: 18.1 metric ton = 19.9 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: 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: August 2020 [0820] 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: 0.2 km = 0.1 mi
Traffic
ADT: 9400 (2016) and Trucks: 9%
Future ADT: 4980 (In 2036
)
