Bridge Type
Main Span(s): Steel [3] Movable - Swing [17]
Approach Span(s): Other [00]
Deck: Steel plate (includes orthotropic) [5] with Wearing Surface: Other [9]
Bridge Dimensions
Length: 103 m = 337.9 ft
Main Spans: 10 at 49.4 m = 162.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.4 m = 24.3 ft (1 Lanes) and Out-To-Out: 8.2 m = 26.9 ft for a 10.4 m = 34.1 ft approaching roadway.
Vertical Clearance: 6.35 m = 20.8 ft and Navigational Clearance: 304.5 m = 999.1 ft
Location
Unknown [00000]: Acadia Parish [001], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 3
1.2 MI N of US 90
Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 45.4 metric ton = 49.9 tons (Allowable Stress(AS) [2])
Inventory: 33.6 metric ton = 37.0 tons (Allowable Stress(AS) [2])
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: Basically intolerable requiring high priority of corrrective action [3]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: May 1999 [599] 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: 1.4 km = 0.9 mi
Traffic
ADT: 3000 (2016) and Trucks: 13%
Future ADT: 3300 (In 2036
)
