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ON RAMP 29TH STREE over I-83 NB

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

Facts

Name:ON RAMP 29TH STREE over I-83 NB
Structure number:200000BC3104010
Location:29TH ST AT I-83
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:65.9 ft. [20.1 m]
Total length:340.9 ft. [103.9 m]
Roadway width between curbs:23.0 ft. [7.0 m]
Deck width edge-to-edge:29.9 ft. [9.1 m]
Vertical clearance above deck:19.0 ft. [5.8 m]
Owner:City or Municipal Highway Agency [04]
Year built:1959
Year reconstructed:1988
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 [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:19,035 [as of 2016]
Truck traffic:8% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Basically intolerable requiring high priority of corrrective action [3]
Scour condition:Bridge not over waterway. [N]
Operating rating:98.2 tons [89.3 metric tons]
Inventory rating:58.9 tons [53.5 metric tons]
Sufficiency rating:77.7
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$31,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201677.7FairGoodSatisfactoryFairFO19035
October 201477.9FairSatisfactorySatisfactoryFairFO17100
October 201289.2FairGoodSatisfactorySatisfactoryFO17100
October 201091.3FairGoodSatisfactorySatisfactory-17100
February 200891.3FairGoodSatisfactorySatisfactory-17100
December 200591.3FairGoodGoodSatisfactory-17100
September 200391.3FairGoodGoodSatisfactory-17100
November 200191.5FairGoodGoodSatisfactory-14800
November 199991.5FairGoodGoodSatisfactory-14800
February 199891.5FairGoodGoodSatisfactory-14800
June 199591.8FairGoodGoodSatisfactory-14800
November 199291.3GoodGoodGoodGood-20499
October 199069.4GoodVery GoodGoodGoodFO20499