Share:

GALLATIN STREET over LYNCH CREEK

Map

Coordinates:
+32.27651, -90.19314
32°16'35" N, 90°11'35" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:GALLATIN STREET over LYNCH CREEK
Structure number:10000200250460A
Location:UNDER I 20 W BRIDGE 45.8
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:50.9 ft. [15.5 m]
Total length:206.0 ft. [62.8 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:34.5 ft. [10.5 m]
Vertical clearance above deck:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1964
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:4
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: August 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:3,500 [as of 2014]
Truck traffic:5% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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 determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:78.6
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$270,000,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2016GoodGoodVery GoodVery Good350078.6
August 2014GoodGoodVery GoodVery Good350078.8
August 2012GoodVery GoodVery GoodVery Good350078.8
October 2011GoodVery GoodVery GoodVery Good350078.8
July 2010GoodVery GoodVery GoodVery Good350078.8
June 2008GoodVery GoodVery GoodVery Good350076.8
June 2006GoodVery GoodVery GoodVery Good350076.8
October 2004GoodVery GoodVery GoodVery Good320076.8
August 2002GoodVery GoodVery GoodVery Good240076.9
September 2000GoodVery GoodVery GoodVery Good500076.7
September 1998GoodVery GoodVery GoodVery Good500076.7
November 1996GoodVery GoodVery GoodVery Good500076.4
February 1995GoodVery GoodVery GoodVery Good646074.4
April 1991GoodVery GoodVery GoodVery Good587074.4

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.1,0201,020000
Deck
Reinforced Concrete Decksq. ft.7,09807,09800
Substructure
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.9494000
Reinforced Concrete Pier Caplinear ft.9696000
Joints
Open Jointlinear ft.131131000
Bearings
Elastomeric Bearingeach4040000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.207202005
Steel Protective Coatingsq. ft.207202005
Reinforced Concrete Bridge Raillinear ft.207207000