_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 

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]
Evaluation:Functionally obsolete [2]
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. ratingEvaluationDeckSuper.Sub.ADT
September 201559.0Functionally obsoleteSatisfactoryGoodGood123000
September 201360.0Functionally obsoleteSatisfactoryGoodGood120100
October 201171.0Functionally obsoleteSatisfactoryGoodVery Good112500
December 200970.0Functionally obsoleteSatisfactoryGoodVery Good111300
December 200770.0Functionally obsoleteSatisfactoryVery GoodVery Good90100
December 200570.0Functionally obsoleteSatisfactoryVery GoodVery Good79500
December 200370.0Functionally obsoleteSatisfactoryVery GoodVery Good78900
December 200170.0Functionally obsoleteSatisfactoryVery GoodVery Good72232
December 199970.0Functionally obsoleteSatisfactoryVery GoodVery Good70572
December 199771.0Functionally obsoleteSatisfactoryVery GoodVery Good70572
December 199571.0Functionally obsoleteSatisfactoryVery GoodVery Good80558
December 199371.0Functionally obsoleteSatisfactoryVery GoodVery Good77560
January 199271.0Functionally obsoleteSatisfactoryVery GoodVery Good79201