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LA0001 over MORGANZA SPILLWAY

Map

Coordinates:
+30.77169, -91.61650
30°46'18" N, 91°36'59" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0001 over MORGANZA SPILLWAY
Structure number:613900520302671
Location:LA0001
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:30.8 ft. [9.4 m]
Total length:4125.2 ft. [1257.3 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:64.6 ft. [19.7 m]
Owner:State Highway Agency [01]
Year built:1954
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Number of main spans:133
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,300 [as of 2016]
Truck traffic:18% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:70.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$16,087,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairGoodSatisfactoryGood430070.7
September 2016FairGoodSatisfactoryGood430070.7
August 2014FairGoodSatisfactoryGood430076.6
August 2012FairGoodSatisfactoryGood380076.9
August 2011FairFairFairGood380064.4
April 2010FairFairFairVery Good370064.5
April 2009FairSatisfactoryFairVery Good370065.6
March 2007FairSatisfactoryGoodVery Good380073.9
March 2005FairSatisfactoryGoodVery Good460073.5
March 2003GoodGoodGoodVery Good460073.5
March 2001GoodGoodVery GoodVery Good333369.9
March 1999GoodGoodVery GoodVery Good510369.0
March 1997GoodGoodVery GoodVery Good462772.2
March 1995GoodGoodVery GoodVery Good435372.4
March 1993GoodGoodVery GoodVery Good292873.2
March 1991GoodGoodVery GoodVery Good292873.2

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.20,78815,2685,500200
Deck
Reinforced Concrete Decksq. ft.129,276125,1234,15210
Wearing Surfacessq. ft.129,276129,276000
Substructure
Reinforced Concrete Pier Walllinear ft.3,4060693,3370
Reinforced Concrete Abutmentlinear ft.120118200
Joints
Compression Jointlinear ft.3,30003,30000
Open Jointlinear ft.5252000
Bearings
Elastomeric Bearingeach358358000
Fixed Bearingeach1,3301,330000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.8,3125,542102,7600