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Nearby Bridges in NBI 2021: 1


LA0001 over ATCHAFALAYA RIVER (Route: 1)
Num:80500520500001x
Open: no restriction [A]
Built: 1971, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] Truss - Thru [10]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 1206.1 m = 3957.2 ft
Main Spans: 3 at 219.5 m = 720.2 ft
Approach Spans: 25
Skew: 0
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 10.8 m = 35.4 ft for a 14.6 m = 47.9 ft approaching roadway.
Vertical Clearance: 5.72 m = 18.8 ft and Navigational Clearance: 15.2 m = 49.9 ft
Location
Simmesport [70525]: Avoyelles Parish [009], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 8
0.18 MI. EAST OF LA 105
Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 58 metric ton = 63.8 tons (Load Factor(LF) [1])
Inventory: 34.5 metric ton = 38.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
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: May 1999 [599] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 11.7 km = 7.3 mi
Traffic
ADT: 4700 (2016) and Trucks: 15%
Future ADT: 6862 (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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