+30.42493, -91.15834
30°25'30" N, 91°09'30" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0010 over PERKINS RD. ON RAMP
Structure number:611704501002456
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Total length:458.0 ft. [139.6 m]
Roadway width between curbs:20.0 ft. [6.1 m]
Deck width edge-to-edge:25.6 ft. [7.8 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Skew angle:51°
Owner:State Highway Agency [01]
Year built:1964
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span 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 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:16,990 [as of 2015]
Truck traffic:21% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:71.8 tons [65.3 metric tons]
Inventory rating:42.9 tons [39.0 metric tons]
Sufficiency rating:93.4

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201693.4FairGoodSatisfactoryGood-16990
October 201493.4FairGoodSatisfactoryGood-16880
October 201293.4FairGoodSatisfactoryGood-16400
October 201090.1GoodGoodGoodGood-19090
September 200890.2GoodGoodGoodGood-18390
September 200690.5FairSatisfactoryGoodGood-15710
September 200490.6FairSatisfactoryVery GoodVery Good-14780
September 200290.6FairSatisfactoryVery GoodVery Good-14420
August 200091.5FairSatisfactoryVery GoodVery Good-11002
August 199893.5FairSatisfactoryVery GoodVery Good-11002
August 199693.3FairSatisfactoryVery GoodVery Good-12262
August 199493.8FairSatisfactoryVery GoodVery Good-10129
August 199293.6FairSatisfactoryVery GoodVery Good-11987
August 199093.6FairSatisfactoryVery GoodVery Good-11987