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MICHIGAN AVENUE over CSX & 9th St., NE

Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:MICHIGAN AVENUE over CSX & 9th St., NE
Structure number:0596
Location:CSX RR & MICHIGAN AVE
Purpose:Carries highway and pedestrian walkway over highway and railroad
Route classification:Minor Arterial (Urban) [16]
Length of largest span:131.9 ft. [40.2 m]
Total length:617.2 ft. [188.1 m]
Roadway width between curbs:49.9 ft. [15.2 m]
Deck width edge-to-edge:59.1 ft. [18.0 m]
Vertical clearance below bridge:18.7 ft. [5.7 m]
Skew angle:33°
Owner:State Highway Agency [01]
Year built:1937
Year reconstructed:1982
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:6
Main spans material:Steel continuous [4]
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: July 2014 

Status:Open, no restriction [A]
Average daily traffic:18,200 [as of 2007]
Truck traffic:4% of total traffic
Deck condition:Good [7 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 corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:60.8 tons [55.3 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:74.7
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$750,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201474.7Functionally obsoleteGoodGoodGood18200
August 201274.7Functionally obsoleteSatisfactorySatisfactorySatisfactory18200
May 201074.7Functionally obsoleteSatisfactorySatisfactorySatisfactory18200
December 200774.7Functionally obsoleteSatisfactorySatisfactorySatisfactory18200
November 200575.1Functionally obsoleteGoodGoodSatisfactory15200
January 200475.1Functionally obsoleteGoodGoodSatisfactory15200
February 200175.0Functionally obsoleteGoodGoodSatisfactory15200
October 199875.0Functionally obsoleteGoodGoodSatisfactory15200
August 199675.0Functionally obsoleteGoodGoodSatisfactory15200
May 199376.5Functionally obsoleteGoodGoodGood15200
December 199076.5Functionally obsoleteGoodGoodGood15200