CITYST over I-110


+30.45758, -91.17239
30°27'27" N, 91°10'21" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:CITYST over I-110
Structure number:611704509201841
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:49.9 ft. [15.2 m]
Total length:265.1 ft. [80.8 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:40.4 ft. [12.3 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Owner:State Highway Agency [01]
Year built:1969
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:5
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 2014 

Status:Posted for load [P]
Average daily traffic:41,950 [as of 2014]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 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]
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]
Operating rating:23.5 tons [21.4 metric tons]
Inventory rating:18.2 tons [16.5 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:35.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,150,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201435.7Functionally obsoleteSatisfactoryFairGood41950
December 201262.0Functionally obsoleteSatisfactoryFairGood39800
December 201161.9Functionally obsoleteSatisfactoryFairGood40850
December 201059.8Functionally obsoleteSatisfactoryFairGood54650
November 200872.9Functionally obsoleteGoodSatisfactoryVery Good48750
October 200671.1Functionally obsoleteGoodGoodGood39250
October 200471.6Functionally obsoleteGoodGoodVery Good35250
October 200268.3Functionally obsoleteGoodGoodVery Good35000
October 200068.8Functionally obsoleteGoodGoodVery Good31097
October 199871.7Functionally obsoleteGoodGoodVery Good8841
October 199673.7Functionally obsoleteGoodGoodVery Good8841
October 199474.0Functionally obsoleteGoodVery GoodVery Good8841
October 199274.0Functionally obsoleteGoodVery GoodVery Good8841
October 199074.0Functionally obsoleteGoodVery GoodVery Good8841