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Nearby Bridges in NBI 2021: 1


LA0538 over CADDO LAKE (Route: 538)
Num:40900780300341x
Open: no restriction [A]
Built: 1994, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

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Rough Distance: 0 Miles (0.1 Kilometers)

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: 259.1 m = 850.1 ft
Main Spans: 16 at 30.5 m = 100.1 ft
Approach Spans: 15
Skew: 0
Width, Roadway: 12.3 m = 40.4 ft (2 Lanes) and Out-To-Out: 13.1 m = 43.0 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Mooringsport [51830]: Caddo Parish [017], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 4
.34 MI NORTH OF LA 767
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 55.3 metric ton = 60.8 tons (Load Factor(LF) [1])
Inventory: 33.6 metric ton = 37.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 2020 [0620] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 1360 (2016) and Trucks: 19%
Future ADT: 1604 (In 2036 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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