CITYST over I 610


+29.99535, -90.11599
29°59'43" N, 90°06'58" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:CITYST over I 610
Structure number:023604503400491
Location:.5 MI EAST OF I-10
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:69.9 ft. [21.3 m]
Total length:1035.2 ft. [315.5 m]
Roadway width between curbs:28.2 ft. [8.6 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Owner:State Highway Agency [01]
Year built:1963
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:16
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: February 2016 

Status:Open, no restriction [A]
Average daily traffic:47,100 [as of 2015]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:55.4 tons [50.4 metric tons]
Inventory rating:36.6 tons [33.3 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:80.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$4,047,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201680.0Functionally obsoleteSatisfactoryGoodGood47100
February 201480.0Functionally obsoleteSatisfactoryGoodGood29610
February 201280.0Functionally obsoleteSatisfactoryGoodGood21270
February 201080.0Functionally obsoleteSatisfactorySatisfactoryGood13890
February 200880.0Functionally obsoleteSatisfactorySatisfactorySatisfactory22530
February 200680.0Functionally obsoleteSatisfactorySatisfactorySatisfactory27180
December 200380.0Functionally obsoleteSatisfactorySatisfactorySatisfactory26460
September 200080.0Functionally obsoleteSatisfactorySatisfactorySatisfactory22532
May 199880.0Functionally obsoleteGoodGoodGood22532
July 199573.9Functionally obsoleteGoodGoodGood24372
June 199276.9Functionally obsoleteSatisfactorySatisfactoryVery Good25604
March 199076.9Functionally obsoleteSatisfactorySatisfactoryVery Good25604