Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 77.1 m = 253.0 ft
Main Spans: 4 at 19.5 m = 64.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.4 m = 21.0 ft (1 Lanes) and Out-To-Out: 7 m = 23.0 ft for a 14.9 m = 48.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: St. Martin Parish [099], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 3
4.8 MI EAST OF LA 347
Condition
Deck: Satisfactory [6]
Superstructure: Serious [3]
Substructure: Serious [3]
Loading
Design: MS 18 / HS 20 [5]
Operating: 28.8 metric ton = 31.7 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 14.6 metric ton = 16.1 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 replacement [2]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present minimum criteria [6]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: August 2020 [0820] and Frequency: 12
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: 6020 (2018) and Trucks: 22%
Future ADT: 3042 (In 2036
)