+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 2014 

Status:Open, no restriction [A]
Average daily traffic:16,880 [as of 2014]
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:71.3 tons [64.8 metric tons]
Inventory rating:42.6 tons [38.7 metric tons]
Sufficiency rating:93.4

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201493.4Not deficientGoodSatisfactoryGood16880
October 201293.4Not deficientGoodSatisfactoryGood16400
October 201090.1Not deficientGoodGoodGood19090
September 200890.2Not deficientGoodGoodGood18390
September 200690.5Not deficientSatisfactoryGoodGood15710
September 200490.6Not deficientSatisfactoryVery GoodVery Good14780
September 200290.6Not deficientSatisfactoryVery GoodVery Good14420
August 200091.5Not deficientSatisfactoryVery GoodVery Good11002
August 199893.5Not deficientSatisfactoryVery GoodVery Good11002
August 199693.3Not deficientSatisfactoryVery GoodVery Good12262
August 199493.8Not deficientSatisfactoryVery GoodVery Good10129
August 199293.6Not deficientSatisfactoryVery GoodVery Good11987
August 199093.6Not deficientSatisfactoryVery GoodVery Good11987