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I0020 over BIG CREEK

Map

Coordinates:
+32.45489, -91.60750
32°27'18" N, 91°36'27" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I0020 over BIG CREEK
Structure number:054204510719361
Location:1.1 MI EAST OF LA 183
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:60.0 ft. [18.3 m]
Total length:302.2 ft. [92.1 m]
Roadway width between curbs:39.0 ft. [11.9 m]
Deck width edge-to-edge:42.7 ft. [13.0 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1971
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:5
Main spans material:Prestressed concrete [5]
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: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:13,400 [as of 2016]
Truck traffic:25% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:96.7

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairSatisfactoryGoodSatisfactory1340096.7
October 2015FairSatisfactoryGoodGood1464096.6
December 2013GoodGoodGoodGood1452096.6
December 2011GoodGoodGoodGood1242096.8
November 2009GoodGoodGoodGood1500096.6
September 2007GoodGoodGoodGood1446096.6
September 2005GoodGoodGoodGood1488096.6
March 2003GoodGoodGoodGood1326096.8
August 2000GoodGoodGoodGood1223696.9
July 1998GoodGoodGoodGood1223696.9
July 1996GoodGoodGoodGood1021897.0
June 1994GoodGoodGoodGood1104997.2
May 1992GoodGoodGoodGood787097.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.1,8001,800000
Deck
Reinforced Concrete Decksq. ft.12,960012,7602000
Substructure
Reinforced Concrete Abutmentlinear ft.127012430
Prestressed Concrete Pileeach2626000
Reinforced Concrete Pier Caplinear ft.192192000
Joints
Compression Jointlinear ft.9200920
Open Jointlinear ft.184184000
Bearings
Elastomeric Bearingeach6060000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.600596040