State Bridge Profile Louisiana 2016

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State Bridge Profile Louisiana 2016 2016-02-29T10:10:10+00:00
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Louisiana Highlights from FHWA’s
2015 National Bridge Inventory Data:

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  • Of the 13,012 bridges in the state, 1,838, or 14%, are classified as structurally deficient. This means one or more of the key bridge elements, such as the deck, superstructure or substructure, is considered to be in “poor” or worse condition.1
  • 1,959 bridges, or 15%, are classified as functionally obsolete. This means the bridge does not meet design standards in line with current practice.
  • Federal investment in Louisiana has supported $1.9 billion for capital improvements on 906 bridge projects between 2005 and 2014.2
  • Since 2004, 1,224 new bridges have been constructed in the state; 66 have undergone major reconstruction.
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Ranking

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Top Most Traveled Structurally Deficient Bridges in the State

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CountyYear BuiltDaily CrossingsType of Bridge3Location
Caddo1965140,400Urban InterstateI20 over St. Louis & SW RR at .2 mi east of LA 1
Orleans196086,940Urban InterstateI10 over city streets /RR at 3.12 mi east of I-610
Jefferson196784,600Urban InterstateI10 over Vet Mem Hwy at 1.9 mi east of LA 49
Jefferson196784,600Urban InterstateI10 over Vet Mem Hwy at 1.8 mi east of LA 49
Calcasieu195272,100Urban InterstateCalcasieu River Bridge
Orleans196763,060Urban InterstateI10 over I-10 over US 90(Chef Hwy at I-10 over US 90
Bossier196654,660Urban InterstateI20 over STL&SW-KCS RR/Westerfiel at 1.04 mi East LA 1
Bossier196654,660Urban InterstateI20 over US 71/KCSRR/Ramp SW at I-20 over US 71
Bossier196654,660Urban InterstateI20 over STL&SW-KCS RR/Westerfiel at 1.04 mi East LA 1
Jefferson198754,420Urban freeway/expresswayUS90B over Harvey Canal/Sts/RR at 1.4 mi west of LA 23
Jefferson198754,420Urban freeway/expresswayUS90B over Harvey Canal/Sts/RR at 1.4 mi west of LA 23
Jefferson195752,100Urban other principal arterialLa3046 over R/R,City Sts,La 611 at .4 MI north of US 90
Orleans196349,350Urban local roadCityst over Pont.Expwy over I-610&I1 at .5 MI east of I-10
Ouachita196548,360Urban InterstateI20 over City St/Icg RR/Ouachita at 05374510616842
Ouachita196548,360Urban InterstateI20 over City St/Icg RR/Ouachita at 05374510616841
Calcasieu195447,300Rural InterstateI10 over Sabine Relief at 2.1 MI west of LA 109
Orleans197337,553Urban minor arterialLocal Road over I-610 & Southern RR. at 0.6 mi N of City Park Ave
Jefferson197137,380Urban InterstateI10 over Loyola Ave. at 1.2 mi east of I-310
Caddo196535,940Urban InterstateI20 over M.P. RR at .6 MI east of US 80
Caddo196535,940Urban InterstateI20 over M.P. RR at .6 MI east of US80
Rapides193635,400Urban other principal arterialUS71 over Red River Fort Buhlow at 1.0 Mi. N of I-49
Orleans196734,080Rural InterstateI10 over Drain Canal at 3.5 MI east of I-510
Orleans196734,080Rural InterstateI10 over Drain Canal at 3.5 MI east of I-510
Orleans196734,080Rural InterstateI10 over Drain Canal at 5.2 mi east of I-510
Orleans196734,080Rural InterstateI10 over Drain Canal at 5.2 mi east of I-510
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Bridge Inventory

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Type of Bridge3Number of BridgesArea of All Bridges (sq. meters)Daily Crossings on All BridgesNumber of Structurally Deficient BridgesArea of Structurally Deficient Bridges (sq. meters)Daily Crossings on Structurally Deficient Bridges
Rural Interstate6042,966,17310,773,4641384,781323,980
Rural arterial6021,331,5354,203,754138,71970,340
Rural minor arterial1,430956,5653,426,888118184,947230,519
Rural major collector1,7921,040,8534,239,262206117,706352,156
Rural minor collector1,034377,3261,194,45718051,711170,977
Rural local road4,191926,7102,347,7431,013174,717365,377
Urban Interstate8693,948,30729,790,75818197,825983,740
Urban freeway/expressway1561,039,2083,401,16026391,137292,460
Urban other principal arterial6652,239,29611,135,15558190,280911,090
Urban minor arterial444623,4924,199,5454846,224438,803
Urban collector314273,6581,834,5885851,942256,210
Urban local road911767,8834,527,2008755,575301,664
Total13,01216,491,00681,073,9761,8381,555,5644,697,316
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Proposed Bridge Work

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Type of WorkNumber of BridgesCost to Repair (in millions)Daily CrossingsArea of Bridges (sq. meters)
Bridge replacement3,321$4,422.321,885,7113,920,929
Widening & rehabilitation0$000
Rehabilitation9$88.81,83717,956
Deck rehabilitation/replacement0$000
Other structural work59$4.627,1027,109
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1 According to the Federal Highway Administration (FHWA), a bridge is classified as structurally deficient if the condition rating for the deck, superstructure, substructure or culvert and retaining walls is rated 4 or below or if the bridge receives an appraisal rating of 2 or less for structural condition or waterway adequacy. During inspections, the condition of a variety of bridge elements are rated on a scale of 0 (failed condition) to 9 (excellent condition). A rating of 4 is considered “poor” condition and the individual element displays signs of advanced section loss, deterioration, spalling or scour.
2 This data is provided by bridge owners as part of the FHWA data and is required for any bridge eligible for the Highway Bridge Replacement

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Sources: All data is from the 2014 National Bridge Inventory, released by the Federal Highway Administration in January 2015. Note that specific conditions on bridge may have changed as a result of recent work. Cost estimates of bridge work provided as part of the data and have been adjusted to 2014$ for inflation and estimated project costs. Contract awards data is for state and local government awards and comes from McGraw Hill. Note that additional bridge investment may be a part of other contract awards if a smaller bridge project is included with a highway project, and that would not be accounted for in the total in this profile.

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