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Sh-131/Sec-1/L1.85 over S. Alligator Bayou

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Sh-131/Sec-1/L1.85 over S. Alligator Bayou
Structure number:000000000007303
Location:1.8 Mi South Of Jct Us 79
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:67.9 ft. [20.7 m]
Total length:411.1 ft. [125.3 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:2017
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:6
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:400 [as of 2015]
Truck traffic:15% of total traffic
Deck condition:Excellent [9 out of 9]
Superstructure condition:Excellent [9 out of 9]
Substructure condition:Excellent [9 out of 9]
Structural appraisal:Superior to present desirable criteria [9]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:There are no noticeable or noteworthy deficiencies which affect the condition of the channel. [9]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:94.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017GoodExcellentExcellentExcellent40094.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,6321,632000
Deck
Reinforced Concrete Decksq. ft.13,63013,630000
Substructure
Reinforced Concrete Abutmentlinear ft.140134600
Steel Pileeach25151000
Reinforced Concrete Pier Caplinear ft.215214100
Bearings
Elastomeric Bearingeach2828000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.822822000