CITYST over I-110


+30.45717, -91.17670
30°27'26" N, 91°10'36" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CITYST over I-110
Structure number:611704509201421
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:60.0 ft. [18.3 m]
Total length:200.1 ft. [61.0 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:41.0 ft. [12.5 m]
Vertical clearance below bridge:13.1 ft. [4.0 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:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:44,150 [as of 2015]
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:78.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$897,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2016FairFairSatisfactorySatisfactory4415078.0
October 2014FairFairSatisfactorySatisfactory4195078.0
December 2012FairFairSatisfactorySatisfactory3980078.0
December 2011FairFairSatisfactorySatisfactory4085078.0
December 2010FairFairSatisfactorySatisfactory5465078.0
November 2008FairSatisfactorySatisfactorySatisfactory4875079.0
October 2006GoodGoodGoodGood3925076.0
October 2004GoodGoodVery GoodVery Good3525076.0
October 2002GoodGoodVery GoodVery Good3500072.9
October 2000GoodGoodVery GoodVery Good3109772.9
October 1998GoodGoodVery GoodVery Good3015272.9
October 1996GoodGoodVery GoodVery Good2737772.9
October 1994GoodGoodVery GoodVery Good3424370.9
October 1992GoodGoodVery GoodVery Good3672870.9
October 1990GoodGoodVery GoodVery Good3672870.9

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.990981900
Steel Protective Coatingsq. ft.7,37507,37500
Reinforced Concrete Girder/Beamlinear ft.38628601000
Reinforced Concrete Decksq. ft.5,74205,5002420
Reinforced Concrete Columneach124440
Reinforced Concrete Abutmentlinear ft.1381130250
Reinforced Concrete Pier Caplinear ft.1291141500
Pourable Jointlinear ft.5805800
Assembly without Seal Jointlinear ft.87670200
Elastomeric Bearingeach1616000
Movable Bearingeach40300100
Steel Protective Coatingsq. ft.3,17403,17400
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.396396000