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


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 2014 

Status:Open, no restriction [A]
Average daily traffic:17,100 [as of 2007]
Truck traffic:8% of total traffic
Deck condition:Satisfactory [6 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:68.9 tons [62.6 metric tons]
Inventory rating:39.9 tons [36.3 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:77.9
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$31,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201477.9Functionally obsoleteSatisfactorySatisfactoryFair17100
October 201289.2Functionally obsoleteGoodSatisfactorySatisfactory17100
October 201091.3Not deficientGoodSatisfactorySatisfactory17100
February 200891.3Not deficientGoodSatisfactorySatisfactory17100
December 200591.3Not deficientGoodGoodSatisfactory17100
September 200391.3Not deficientGoodGoodSatisfactory17100
November 200191.5Not deficientGoodGoodSatisfactory14800
November 199991.5Not deficientGoodGoodSatisfactory14800
February 199891.5Not deficientGoodGoodSatisfactory14800
June 199591.8Not deficientGoodGoodSatisfactory14800
November 199291.3Not deficientGoodGoodGood20499
October 199069.4Functionally obsoleteVery GoodGoodGood20499