Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Concrete [1] Mixed types [20]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 383.7 m = 1258.9 ft
Main Spans: 3 at 45.7 m = 149.9 ft
Approach Spans: 48
Skew: 0
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 11.7 m = 38.4 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 5.18 m = 17.0 ft and Navigational Clearance: 0 = N/A
Location
Plaquemine [60880]: Iberville Parish [047], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 61
0.20 MI SE OF LA 77
Condition
Deck: Satisfactory [6]
Superstructure: Serious [3]
Substructure: Serious [3]
Loading
Design: MS 18 / HS 20 [5]
Operating: 61.7 metric ton = 67.9 tons (Load Factor(LF) [1])
Inventory: 37.2 metric ton = 40.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
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: 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: 2.1 km = 1.3 mi
Traffic
ADT: 16250 (2018) and Trucks: 9%
Future ADT: 12312 (In 2036
)
