+30.41744, -91.09040
30°25'03" N, 91°05'25" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Structure number:611704540101731
Location:I-12 E.B. @ JEFFERSON HWY
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:180.1 ft. [54.9 m]
Total length:865.2 ft. [263.7 m]
Roadway width between curbs:73.2 ft. [22.3 m]
Deck width edge-to-edge:76.1 ft. [23.2 m]
Vertical clearance below bridge:16.7 ft. [5.1 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1999
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:8
Main spans material:Steel [3]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: February 2017 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:77,940 [as of 2015]
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Superior to present desirable criteria [9]
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 (including piles) on dry land well above flood water elevations. [9]
Operating rating:61.8 tons [56.2 metric tons]
Inventory rating:37.0 tons [33.6 metric tons]
Sufficiency rating:80.0

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201780.0GoodGoodVery GoodGood-77940
February 201580.0GoodGoodVery GoodGood-77940
February 201380.0GoodGoodVery GoodGood-68160
February 201180.0GoodGoodVery GoodGood-73620
December 200880.0GoodVery GoodVery GoodVery Good-70440
November 200679.0GoodVery GoodVery GoodVery Good-63060
November 200479.0GoodVery GoodVery GoodVery Good-62820
November 200279.0GoodVery GoodVery GoodVery Good-61380
November 200079.0GoodVery GoodVery GoodVery Good-71012
November 19982.0----SD52330
November 199667.8FairSatisfactoryVery GoodGoodFO55957
November 199469.4FairSatisfactoryVery GoodGoodFO54274
November 199270.1FairSatisfactoryVery GoodGoodFO47919
December 199070.1FairSatisfactoryVery GoodGoodFO47919