CITYST over I-110


+30.45484, -91.18082
30°27'17" N, 91°10'51" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:CITYST over I-110
Structure number:611704509201031
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:68.9 ft. [21.0 m]
Total length:173.9 ft. [53.0 m]
Roadway width between curbs:28.2 ft. [8.6 m]
Deck width edge-to-edge:40.4 ft. [12.3 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Owner:State Highway Agency [01]
Year built:1961
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:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: December 2014 

Status:Open, no restriction [A]
Average daily traffic:41,950 [as of 2014]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
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:63.4 tons [57.6 metric tons]
Inventory rating:37.6 tons [34.2 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:57.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$795,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201457.0Functionally obsoleteSatisfactoryGoodSatisfactory41950
December 201257.0Functionally obsoleteSatisfactoryGoodSatisfactory39800
December 201057.0Functionally obsoleteGoodGoodGood54650
December 200857.0Functionally obsoleteGoodGoodGood48750
December 200679.0Not deficientGoodGoodSatisfactory39250
December 200479.0Not deficientGoodGoodSatisfactory35250
December 200279.0Not deficientGoodGoodSatisfactory35000
December 200077.0Not deficientGoodGoodSatisfactory31097
December 199877.0Not deficientGoodGoodSatisfactory30152
December 199679.0Not deficientVery GoodGoodSatisfactory27377
December 199479.0Not deficientVery GoodGoodSatisfactory34243
December 199279.0Not deficientVery GoodGoodSatisfactory36728
December 199079.0Not deficientVery GoodGoodSatisfactory36728