Bridge Type
Main Span(s): Steel [3] Girder and floorbeam system [03]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 1114 m = 3655.0 ft
Main Spans: 3 at 61 m = 200.1 ft
Approach Spans: 63
Skew: 0
Width, Roadway: 8.7 m = 28.5 ft (2 Lanes) and Out-To-Out: 10.2 m = 33.5 ft for a 16.2 m = 53.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 24.4 m = 80.1 ft
Location
Unknown [00000]: Assumption Parish [007], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 61
US0090
Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design: MS 18 / HS 20 [5]
Operating: 51.2 metric ton = 56.3 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 30.8 metric ton = 33.9 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
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 Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: March 2020 [0320] 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: 0.8 km = 0.5 mi
Traffic
ADT: 4700 (2016) and Trucks: 7%
Future ADT: 7820 (In 2036
)