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I-5 NBCD over DEARBORN ST

Map 

Coordinates:
+47.59582, -122.31994
47°35'45" N, 122°19'12" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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 2014 

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:73.3 tons [66.6 metric tons]
Inventory rating:43.6 tons [39.6 metric tons]
Sufficiency rating:89.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$9,363,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201489.8Not deficientSatisfactoryGoodGood20967
October 201290.1Not deficientSatisfactoryGoodGood18979
December 201090.0Not deficientSatisfactoryGoodGood19413
December 200889.0Not deficientSatisfactoryGoodGood19413
November 200688.9Not deficientSatisfactoryGoodGood20459
December 200488.9Not deficientSatisfactoryGoodGood20459
October 200288.9Not deficientSatisfactoryGoodGood20459
December 200084.5Functionally obsoleteSatisfactoryGoodGood35000
May 199882.4Functionally obsoleteSatisfactoryGoodGood35000
August 199682.4Functionally obsoleteSatisfactoryGoodGood35000
December 199481.8Functionally obsoleteSatisfactorySatisfactoryGood35000
March 199287.0Not deficientGoodGoodGood18290