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US 11 over ALLIGATOR CREEK

Map

Coordinates:
+30.48607, -89.69067
30°29'10" N, 89°41'26" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 11 over ALLIGATOR CREEK
Structure number:210001105500140
Location:4.4 MI S SR 43 NORTH
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:16.1 ft. [4.9 m]
Total length:36.1 ft. [11.0 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:26.9 ft. [8.2 m]
Owner:State Highway Agency [01]
Year built:1924
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:2
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:8,000 [as of 2017]
Truck traffic:11% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
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 foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:46.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$448,000,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2018FairFairFairFair800046.4
November 2016FairFairFairFair840046.4
November 2014FairFairFairFair720046.4
November 2012FairFairFairFair1200046.4
October 2010FairFairFairFair1200046.4
December 2008FairFairFairFair630046.0
January 2007PoorFairFairPoor630029.8
January 2005PoorFairFairPoor630029.8
February 2003FairFairFairFair630046.0
February 2001FairSatisfactorySatisfactoryFair650046.8
February 1999PoorSatisfactoryFairPoor650030.8
March 1997PoorSatisfactoryFairPoor650030.8
March 1995FairSatisfactorySatisfactoryFair650047.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Reinforced Concrete Columneach20200
Reinforced Concrete Abutmentlinear ft.100406000
Reinforced Concrete Pier Caplinear ft.1916300
Joints
Open Jointlinear ft.2424000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.7676000
Steel Protective Coatingsq. ft.228228000
Reinforced Concrete Bridge Raillinear ft.76621121
Deck
Reinforced Concrete Slabsq. ft.9128625000
Wearing Surfacessq. ft.912912000