_I0010 over I-12 RAMP TO I-10


+30.41818, -91.11580
30°25'05" N, 91°06'57" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:_I0010 over I-12 RAMP TO I-10
Structure number:611704501005181
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:154.9 ft. [47.2 m]
Total length:1381.0 ft. [420.9 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:30.5 ft. [9.3 m]
Vertical clearance below bridge:21.3 ft. [6.5 m]
Owner:State Highway Agency [01]
Year built:1974
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:12
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: September 2015 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:123,000 [as of 2015]
Truck traffic:21% of total traffic
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 replacement [2]
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:62.4 tons [56.7 metric tons]
Inventory rating:37.6 tons [34.2 metric tons]
Sufficiency rating:59.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$5,385,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201559.0FairSatisfactoryGoodGoodFO123000
September 201360.0FairSatisfactoryGoodGoodFO120100
October 201171.0FairSatisfactoryGoodVery GoodFO112500
December 200970.0FairSatisfactoryGoodVery GoodFO111300
December 200770.0FairSatisfactoryVery GoodVery GoodFO90100
December 200570.0FairSatisfactoryVery GoodVery GoodFO79500
December 200370.0FairSatisfactoryVery GoodVery GoodFO78900
December 200170.0FairSatisfactoryVery GoodVery GoodFO72232
December 199970.0FairSatisfactoryVery GoodVery GoodFO70572
December 199771.0FairSatisfactoryVery GoodVery GoodFO70572
December 199571.0FairSatisfactoryVery GoodVery GoodFO80558
December 199371.0FairSatisfactoryVery GoodVery GoodFO77560
January 199271.0FairSatisfactoryVery GoodVery GoodFO79201