ON RAMP 29TH STREE over I-83 NB
Facts
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
Date | Suff. Rating | Condition | Deck | Superstructure | Substructure | SD/FO | ADT |
---|
October 2016 | 77.7 | Fair | Good | Satisfactory | Fair | FO | 19035 |
October 2014 | 77.9 | Fair | Satisfactory | Satisfactory | Fair | FO | 17100 |
October 2012 | 89.2 | Fair | Good | Satisfactory | Satisfactory | FO | 17100 |
October 2010 | 91.3 | Fair | Good | Satisfactory | Satisfactory | - | 17100 |
February 2008 | 91.3 | Fair | Good | Satisfactory | Satisfactory | - | 17100 |
December 2005 | 91.3 | Fair | Good | Good | Satisfactory | - | 17100 |
September 2003 | 91.3 | Fair | Good | Good | Satisfactory | - | 17100 |
November 2001 | 91.5 | Fair | Good | Good | Satisfactory | - | 14800 |
November 1999 | 91.5 | Fair | Good | Good | Satisfactory | - | 14800 |
February 1998 | 91.5 | Fair | Good | Good | Satisfactory | - | 14800 |
June 1995 | 91.8 | Fair | Good | Good | Satisfactory | - | 14800 |
November 1992 | 91.3 | Good | Good | Good | Good | - | 20499 |
October 1990 | 69.4 | Good | Very Good | Good | Good | FO | 20499 |
Element Data
Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
Element | Units | Quantity | 1. Good | 2. Fair | 3. Poor | 4. Serious |
---|
Superstructure |
Steel Girder/Beam | linear ft. | 1,444 | 1,204 | 240 | 0 | 0 |
Steel Protective Coating | sq. ft. | 14,660 | 7,500 | 2,400 | 3,160 | 1,600 |
Deck |
Reinforced Concrete Deck | sq. ft. | 7,843 | 7,843 | 0 | 0 | 0 |
Substructure |
Reinforced Concrete Column | each | 12 | 9 | 2 | 1 | 0 |
Reinforced Concrete Abutment | linear ft. | 30 | 0 | 30 | 0 | 0 |
Reinforced Concrete Pier Cap | linear ft. | 210 | 90 | 66 | 50 | 4 |
Joints |
Strip Seal Joint | linear ft. | 202 | 0 | 181 | 21 | 0 |
Bearings |
Movable Bearing | each | 26 | 0 | 25 | 1 | 0 |
Steel Protective Coating | sq. ft. | 190 | 0 | 190 | 0 | 0 |
Fixed Bearing | each | 26 | 0 | 25 | 0 | 1 |
Steel Protective Coating | sq. ft. | 190 | 0 | 190 | 0 | 0 |
Bridge Rail |
Reinforced Concrete Bridge Rail | linear ft. | 682 | 672 | 10 | 0 | 0 |