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Nearby Bridges in NBI 2021: 5


I0055 over PASS MANCHAC (Route: 55)
Num:625304529000001x
Open: no restriction [A]
Built: 1977, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 930.3 m = 3052.3 ft
Main Spans: 43 at 38.1 m = 125.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 12.1 m = 39.7 ft (2 Lanes) and Out-To-Out: 13 m = 42.7 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 15.2 m = 49.9 ft
Location
Unknown [00000]: Tangipahoa Parish [105], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 62
0.2 M W OF US 51
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 59.9 metric ton = 65.9 tons (Load Factor(LF) [1])
Inventory: 35.4 metric ton = 38.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
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: May 1999 [599] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 15.9 km = 9.9 mi
Traffic
ADT: 14300 (2016) and Trucks: 25%
Future ADT: 11214 (In 2036 )
I0055 over I-10 & US 51 & SWAMP (Route: 55)
Num:624804520100002x
Open: no restriction [A]
Built: 1975, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 23382.4 m = 76717.7 ft
Main Spans: 223 at 21.3 m = 69.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 11.9 m = 39.0 ft (2 Lanes) and Out-To-Out: 13 m = 42.7 ft for a 11.9 m = 39.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: St. John the Baptist Parish [095], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 62
I0055
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 59 metric ton = 64.9 tons (Load Factor(LF) [1])
Inventory: 35.4 metric ton = 38.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
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: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 1999 [699] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 24000 (2016) and Trucks: 25%
Future ADT: 8424 (In 2036 )
I0055-S over PASS MANCHAC (Route: 55)
Num:625304529000003x
Open: no restriction [A]
Built: 1957, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 918.1 m = 3012.3 ft
Main Spans: 1 at 86.9 m = 285.1 ft
Approach Spans: 48
Skew: 0
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 10.2 m = 33.5 ft for a 14.3 m = 46.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 16.2 m = 53.2 ft
Location
Unknown [00000]: Tangipahoa Parish [105], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 62
Pass Manchac
Condition
Deck: Satisfactory [6]
Superstructure: Poor [4]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 32.7 metric ton = 36.0 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 25.3 metric ton = 27.8 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
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 is scour critical; field review indicates that extensive scour has occurred at bridge foundations. [2]
Inspections
Date: December 2020 [1220] 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: 15.9 km = 9.9 mi
Traffic
ADT: 2400 (2016) and Trucks: 12%
Future ADT: 1638 (In 2036 )
I0055 over ELEVATED RDWY (Route: 55)
Num:625304529000581x
Open: no restriction [A]
Built: 1979, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 12839.7 m = 42127.1 ft
Main Spans: 607 at 21.3 m = 69.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 12.1 m = 39.7 ft (2 Lanes) and Out-To-Out: 13 m = 42.7 ft for a 11.9 m = 39.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Tangipahoa Parish [105], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 62
11.0 M S OF LA 22
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 75.3 metric ton = 82.8 tons (Load Factor(LF) [1])
Inventory: 30.8 metric ton = 33.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: May 1999 [599] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 15.9 km = 9.9 mi
Traffic
ADT: 14300 (2016) and Trucks: 25%
Future ADT: 11214 (In 2036 )
I0055 over PASS MANCHAC (Route: 55)
Num:625304529000002x
Open: no restriction [A]
Built: 1977, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 930.3 m = 3052.3 ft
Main Spans: 43 at 38.1 m = 125.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 12.1 m = 39.7 ft (2 Lanes) and Out-To-Out: 13 m = 42.7 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 15.2 m = 49.9 ft
Location
Unknown [00000]: Tangipahoa Parish [105], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 62
11.0 M S OF LA 22
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 59.9 metric ton = 65.9 tons (Load Factor(LF) [1])
Inventory: 35.4 metric ton = 38.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
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: May 1999 [599] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 15.9 km = 9.9 mi
Traffic
ADT: 14300 (2016) and Trucks: 25%
Future ADT: 11214 (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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