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Nearby Bridges in NBI 2021: 1


LA0433 over BAYOU LIBERTY (Route: 433)
Num:625200000620260x
Open: no restriction [A]
Built: 2010, 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] Movable - Swing [17]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 112.5 m = 369.1 ft
Main Spans: 14 at 39.3 m = 128.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.5 m = 31.2 ft (2 Lanes) and Out-To-Out: 10.5 m = 34.5 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 5.74 m = 18.8 ft and Navigational Clearance: 2.7 m = 8.9 ft
Location
Unknown [00000]: St. Tammany Parish [103], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 62
2.48 MILES SOUTH US 190
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 41.1 metric ton = 45.2 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 31.8 metric ton = 35.0 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: October 1999 [1099] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.6 km = 1.0 mi
Traffic
ADT: 3800 (2016) and Trucks: 8%
Future ADT: 2888 (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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