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I0110 over CITY STREETS

Map 

Coordinates:
+30.46989, -91.16689
30°28'12" N, 91°10'01" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I0110 over CITY STREETS
Structure number:611704509203041
Location:61174509203041
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:116.1 ft. [35.4 m]
Total length:11549.4 ft. [3520.1 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:45.9 ft. [14.0 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Owner:State Highway Agency [01]
Year built:1970
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:171
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: April 2017 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:48,780 [as of 2015]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:56.3 tons [51.2 metric tons]
Inventory rating:24.6 tons [22.4 metric tons]
Sufficiency rating:46.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$45,040,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201746.7FairSatisfactorySatisfactorySatisfactoryFO48780
April 201542.7FairSatisfactoryFairFairFO48780
April 201347.0FairSatisfactoryFairFairFO48780
January 201147.0FairSatisfactorySatisfactoryFairFO60840
January 200956.0FairSatisfactoryGoodSatisfactoryFO54420
December 200656.0GoodGoodVery GoodGoodFO43860
December 200456.0GoodGoodVery GoodVery GoodFO43860
December 200256.0GoodGoodVery GoodVery GoodFO40920
December 200056.0GoodGoodVery GoodVery GoodFO36721
December 199856.0GoodGoodVery GoodVery GoodFO37769
December 199659.0GoodGoodVery GoodVery GoodFO34725
December 199459.0GoodGoodVery GoodVery GoodFO49297
December 199259.0GoodGoodVery GoodVery GoodFO42630
December 199059.0GoodGoodVery GoodVery GoodFO42630