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Nearby Bridges in NBI 2021: 2


LA0164 over DORCHEAT BAYOU (Route: 164)
Num:46001220304641x
Open: no restriction [A]
Built: 1981, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete continuous [6] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 214.6 m = 704.1 ft
Main Spans: 14 at 15.2 m = 49.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 13.1 m = 43.0 ft for a 13.1 m = 43.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Webster Parish [119], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 4
4.64 MI EAST OF LA 163
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 68 metric ton = 74.8 tons (Load Factor(LF) [1])
Inventory: 31.7 metric ton = 34.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Better than present minimum criteria [7]
Waterway: Better than present minimum criteria [7] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 3100 (2016) and Trucks: 19%
Future ADT: 1860 (In 2036 )
LA0164 over DORCHEAT BAYOU RELIEF (Route: 164)
Num:46001220305141x
Open: no restriction [A]
Built: 1982, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.8 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Precast Panels [2] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 29.6 m = 97.1 ft
Main Spans: 5 at 5.8 m = 19.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 12.3 m = 40.4 ft (2 Lanes) and Out-To-Out: 13.1 m = 43.0 ft for a 13.1 m = 43.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Webster Parish [119], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 4
1.54 MI E OF US 371
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 61.7 metric ton = 67.9 tons (Load Factor(LF) [1])
Inventory: 37.2 metric ton = 40.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Better than present minimum criteria [7]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: September 2020 [0920] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.6 km = 1.0 mi
Traffic
ADT: 3100 (2016) and Trucks: 19%
Future ADT: 1860 (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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