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Nearby Bridges in NBI 2021: 2


LA0433 over BAYOU BONFOUCA (Route: 433)
Num:625208522106161x
Open: no restriction [A]
Built: 1976, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Steel [3] Movable - Swing [17]
Approach Span(s): Concrete [1] Slab [01]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 99.1 m = 325.1 ft
Main Spans: 1 at 74.7 m = 245.1 ft
Approach Spans: 8
Skew: 0
Width, Roadway: 9.3 m = 30.5 ft (2 Lanes) and Out-To-Out: 9.3 m = 30.5 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 5.41 m = 17.8 ft and Navigational Clearance: 3 m = 9.8 ft
Location
Slidell [70805]: St. Tammany Parish [103], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 62
LA0433
Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 43.5 metric ton = 47.9 tons (Allowable Stress(AS) [2])
Inventory: 28.1 metric ton = 30.9 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Better than present minimum criteria [7]
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 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: 0 km = 0.0 mi
Traffic
ADT: 3800 (2016) and Trucks: 8%
Future ADT: 2888 (In 2036 )
US0011 over BAYOU POTASSAY (Route: 11)
Num:625200180304811x
Open: no restriction [A]
Built: 1951, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 18.3 m = 60.0 ft
Main Spans: 3 at 6.1 m = 20.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 16.8 m = 55.1 ft (4 Lanes) and Out-To-Out: 19.5 m = 64.0 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Slidell [70805]: St. Tammany Parish [103], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 62
0.2 M N OF LA 433
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 36.3 metric ton = 39.9 tons (Load Factor(LF) [1])
Inventory: 21.8 metric ton = 24.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: September 1999 [999] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 13900 (2016) and Trucks: 8%
Future ADT: 10868 (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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