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 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

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.1,4441,20424000
Steel Protective Coatingsq. ft.14,6607,5002,4003,1601,600
Reinforced Concrete Decksq. ft.7,8437,843000
Reinforced Concrete Columneach129210
Reinforced Concrete Abutmentlinear ft.3003000
Reinforced Concrete Pier Caplinear ft.2109066504
Strip Seal Jointlinear ft.2020181210
Movable Bearingeach2602510
Steel Protective Coatingsq. ft.190019000
Fixed Bearingeach2602501
Steel Protective Coatingsq. ft.190019000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.6826721000