I0010 over I-12 RAMP TO I-10


+30.41912, -91.11210
30°25'09" N, 91°06'44" 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:19.7 ft. [6.0 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 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:12,580 [as of 2016]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
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

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairSatisfactoryGoodGood1258059.0
September 2015FairSatisfactoryGoodGood12300059.0
September 2013FairSatisfactoryGoodGood12010060.0
October 2011FairSatisfactoryGoodVery Good11250071.0
December 2009FairSatisfactoryGoodVery Good11130070.0
December 2007FairSatisfactoryVery GoodVery Good9010070.0
December 2005FairSatisfactoryVery GoodVery Good7950070.0
December 2003FairSatisfactoryVery GoodVery Good7890070.0
December 2001FairSatisfactoryVery GoodVery Good7223270.0
December 1999FairSatisfactoryVery GoodVery Good7057270.0
December 1997FairSatisfactoryVery GoodVery Good7057271.0
December 1995FairSatisfactoryVery GoodVery Good8055871.0
December 1993FairSatisfactoryVery GoodVery Good7756071.0
January 1992FairSatisfactoryVery GoodVery Good7920171.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.5,6725,6470250
Steel Protective Coatingsq. ft.83,379083,37900
Reinforced Concrete Decksq. ft.35,450035,421290
Reinforced Concrete Columneach1110010
Reinforced Concrete Abutmentlinear ft.6256060
Reinforced Concrete Pier Caplinear ft.242237410
Assembly with Sealeach5050000
Assembly without Seal Jointlinear ft.5050000
Movable Bearingeach4804080
Steel Protective Coatingsq. ft.384038400
Fixed Bearingeach1212000
Steel Protective Coatingsq. ft.9609600
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2,8362,55302830