LA0082 over MERMENTAU R./G.CHENIER (Route: 82)
Num:71201940200001x
Posted for load [P]
Built: 1959, Reconstructed: N/A [0000]
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Steel [3] Movable - Swing [17]
Approach Span(s): Concrete [1] Mixed types [20]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:

Bridge Dimensions
Length: 319.7 m = 1048.9 ft
Main Spans: 1 at 62.2 m = 204.1 ft
Approach Spans: 34
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 9.2 m = 30.2 ft for a 10.1 m = 33.1 ft approaching roadway.
Vertical Clearance: 4.88 m = 16.0 ft and Navigational Clearance: 4.6 m = 15.1 ft

Location
Unknown [00000]: Cameron Parish [023], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 7
8.25 MI. S OF INT LA1143

Condition
Deck: Poor [4]
Superstructure: Poor [4]
Substructure: Fair [5]
Loading
Design: M 13.5 / H 15 [2]
Operating: 15.6 metric ton = 17.2 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 12 metric ton = 13.2 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])

Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
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 Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: April 2020 [0420] 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: 5.1 km = 3.2 mi
Traffic
ADT: 890 (2016) and Trucks: 17%
Future ADT: 690 (In 2036 )

KINGS BAYOU RD. over KINGS BAYOU (Route: 0)
Num:71200000500208x
Posted for load [P]
Built: 2015, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

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 Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]

Bridge Dimensions
Length: 30.5 m = 100.1 ft
Main Spans: 5 at 6.1 m = 20.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.4 m = 27.6 ft (2 Lanes) and Out-To-Out: 9.3 m = 30.5 ft for a 5.5 m = 18.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Cameron Parish [023], Louisiana [22]
Owned by County Highway Agency [02], DOT District: 7
0.60 MILES NORTH OF LA 82

Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 65.4 metric ton = 71.9 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 50.5 metric ton = 55.6 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: 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: March 2020 [0320] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 82 (2020) and Trucks: 0%
Future ADT: 90 (In 2040 )