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I-5 NBCD over DEARBORN ST

Map

Coordinates:
+47.59582, -122.31994
47°35'45" N, 122°19'12" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-5 NBCD over DEARBORN ST
Structure number:0007565I0000000
Location:0.1 N JCT I-90
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:96.1 ft. [29.3 m]
Total length:215.9 ft. [65.8 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:40.7 ft. [12.4 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Owner:State Highway Agency [01]
Year built:1965
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
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:20,967 [as of 2012]
Truck traffic:5% 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:Better than present minimum criteria [7]
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:73.8 tons [67.1 metric tons]
Inventory rating:43.9 tons [39.9 metric tons]
Sufficiency rating:89.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,974,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201689.8FairSatisfactoryGoodGood-20967
October 201489.8FairSatisfactoryGoodGood-20967
October 201290.1FairSatisfactoryGoodGood-18979
December 201090.0FairSatisfactoryGoodGood-19413
December 200889.0FairSatisfactoryGoodGood-19413
November 200688.9FairSatisfactoryGoodGood-20459
December 200488.9FairSatisfactoryGoodGood-20459
October 200288.9FairSatisfactoryGoodGood-20459
December 200084.5FairSatisfactoryGoodGoodFO35000
May 199882.4FairSatisfactoryGoodGoodFO35000
August 199682.4FairSatisfactoryGoodGoodFO35000
December 199481.8FairSatisfactorySatisfactoryGoodFO35000
March 199287.0GoodGoodGoodGood-18290

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Reinforced Concrete Closed Web/Box Girderlinear ft.216216000
Deck
Reinforced Concrete Decksq. ft.7,7987,798000
Substructure
Reinforced Concrete Columneach44000
Reinforced Concrete Abutmentlinear ft.9292000
Joints
Open Jointlinear ft.144072720
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.432432000
Reinforced Concrete Bridge Raillinear ft.432431010