+30.43433, -91.17660
30°26'04" N, 91°10'36" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0010 over LOUISE ST ON RAMP
Structure number:611704501001345
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:96.1 ft. [29.3 m]
Total length:493.1 ft. [150.3 m]
Roadway width between curbs:17.1 ft. [5.2 m]
Deck width edge-to-edge:22.6 ft. [6.9 m]
Vertical clearance below bridge:17.4 ft. [5.3 m]
Skew angle:38°
Owner:State Highway Agency [01]
Year built:1963
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:10
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: October 2014 

Status:Open, no restriction [A]
Average daily traffic:16,320 [as of 2014]
Truck traffic:21% 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:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
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:59.4 tons [54.0 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:79.3
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,038,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201479.3Functionally obsoleteSatisfactorySatisfactorySatisfactory16320
October 201279.5Functionally obsoleteSatisfactoryGoodSatisfactory15370
December 201079.2Functionally obsoleteGoodGoodSatisfactory17410
December 200879.3Functionally obsoleteGoodVery GoodVery Good16520
December 200676.5Functionally obsoleteGoodVery GoodGood15300
December 200476.6Functionally obsoleteGoodVery GoodVery Good14290
December 200276.6Functionally obsoleteGoodVery GoodVery Good13970
December 200078.8Functionally obsoleteGoodVery GoodVery Good12073
December 199878.8Functionally obsoleteGoodVery GoodVery Good12073
December 199670.6Functionally obsoleteGoodVery GoodVery Good13319
December 199471.2Functionally obsoleteGoodVery GoodVery Good11990
December 199271.2Functionally obsoleteGoodVery GoodVery Good11423
December 199071.2Functionally obsoleteGoodVery GoodVery Good11423