Bridge Type
Main Span(s): Steel [3] Girder and floorbeam system [03]
Approach Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 150.9 m = 495.1 ft
Main Spans: 1 at 22.9 m = 75.1 ft
Approach Spans: 7
Skew: 20
Width, Roadway: 12.2 m = 40.0 ft (3 Lanes) and Out-To-Out: 14.8 m = 48.6 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Shreveport [70000]: Caddo Parish [017], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 4
.1 MI NORTH OF LA 173
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Poor [4]
Loading
Design: MS 18 / HS 20 [5]
Operating: 64.5 metric ton = 71.0 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 38.6 metric ton = 42.5 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: June 2020 [0620] 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: 6050 (2018) and Trucks: 8%
Future ADT: 10266 (In 2036
)