Share:

LA0037 over TWELVE MILE CREEK

Map

Coordinates:
+30.78947, -90.69906
30°47'22" N, 90°41'57" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0037 over TWELVE MILE CREEK
Structure number:624602540510981
Location:LA0037
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:19.0 ft. [5.8 m]
Total length:153.9 ft. [46.9 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:28.5 ft. [8.7 m]
Owner:State Highway Agency [01]
Year built:1958
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:8
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2016

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:1,720 [as of 2015]
Truck traffic:10% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:23.2 tons [21.1 metric tons]
Inventory rating:17.8 tons [16.2 metric tons]
Sufficiency rating:48.8

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201648.8FairFairSatisfactoryFair-1720
April 201448.8FairFairSatisfactoryFair-1850
April 201248.8FairFairSatisfactoryFair-1850
May 201148.8FairFairSatisfactoryFair-2000
May 201048.8FairFairSatisfactoryFair-2000
April 201048.8FairFairSatisfactoryFair-1850
October 200948.8FairFairSatisfactoryFair-2000
May 200856.8FairFairSatisfactorySatisfactory-2000
March 200848.8FairFairSatisfactoryFair-2000
December 200648.8FairFairSatisfactoryFair-2000
December 200548.8FairFairSatisfactoryFair-2000
December 200448.8FairFairSatisfactoryFair-2000
December 200348.8FairFairSatisfactoryFair-1980
December 200246.8FairFairSatisfactoryFairFO2100
December 200137.4FairFairSatisfactoryFairFO1887
December 200048.4FairSatisfactorySatisfactorySatisfactoryFO1887
January 200046.4FairSatisfactorySatisfactorySatisfactoryFO2013
December 199846.4FairSatisfactorySatisfactorySatisfactoryFO2013
December 199746.4FairSatisfactorySatisfactorySatisfactoryFO2013
December 199648.4FairSatisfactorySatisfactorySatisfactoryFO1800
December 199548.4FairSatisfactorySatisfactorySatisfactoryFO1748
December 199448.4FairSatisfactorySatisfactorySatisfactoryFO1722
December 199348.4FairSatisfactorySatisfactorySatisfactoryFO1542
December 199248.4FairSatisfactorySatisfactorySatisfactoryFO1472
December 199148.4FairSatisfactorySatisfactorySatisfactoryFO1472

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Substructure
Timber Abutmentlinear ft.76661000
Timber Pileeach45172800
Timber Pier Caplinear ft.196194200
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.308308000
Deck
Reinforced Concrete Slabsq. ft.4,184004,1840