I 59/20 over 50 TH ST
Map
Coordinates:
+33.54556, -86.7616733°32'44" N, 86°45'42" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | I 59/20 over 50 TH ST |
Structure number: | 011083 |
Location: | I 59 * 50 TH ST |
Purpose: | Carries highway overpass over highway |
Route classification: | Principal Arterial - Interstate (Urban) [11] |
Length of largest span: | 82.0 ft. [25.0 m] |
Total length: | 152.9 ft. [46.6 m] |
Roadway width between curbs: | 67.9 ft. [20.7 m] |
Deck width edge-to-edge: | 70.5 ft. [21.5 m] |
Vertical clearance below bridge: | 13.1 ft. [4.0 m] |
Skew angle: | 32° |
Owner: | State Highway Agency [01] |
Year built: | 1974 |
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: | 3 |
Main spans material: | Steel [3] |
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: November 2017
Good/Fair/Poor Condition: | Fair |
Status: | Open, no restriction [A] |
Average daily traffic: | 70,200 [as of 2015] |
Truck traffic: | 11% of total traffic |
Deck condition: | Good [7 out of 9] |
Superstructure condition: | Fair [5 out of 9] |
Substructure condition: | Satisfactory [6 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] |
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] |
Sufficiency rating: | 69.4 |
Recommended work: | Bridge rehabilitation because of general structure deterioration or inadequate strength. [35] |
Estimated cost of work: | $2,989,000 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
November 2017 | Fair | Good | Fair | Satisfactory | 70200 | 69.4 |
November 2015 | Fair | Good | Fair | Satisfactory | 70200 | 69.4 |
November 2013 | Fair | Satisfactory | Fair | Satisfactory | 70200 | 69.4 |
November 2011 | Fair | Satisfactory | Fair | Satisfactory | 70545 | 69.4 |
November 2009 | Fair | Satisfactory | Fair | Good | 71710 | 69.2 |
November 2007 | Fair | Satisfactory | Fair | Good | 71565 | 69.2 |
November 2005 | Fair | Satisfactory | Fair | Good | 69460 | 69.5 |
January 2004 | Fair | Satisfactory | Fair | Good | 68040 | 69.7 |
February 2002 | Fair | Satisfactory | Fair | Good | 68040 | 69.7 |
March 2000 | Fair | Good | Fair | Good | 67530 | 69.7 |
March 1998 | Fair | Good | Fair | Very Good | 63620 | 70.2 |
January 1996 | Fair | Good | Fair | Very Good | 60820 | 72.0 |
March 1994 | Fair | Good | Fair | Very Good | 57275 | 75.6 |
November 1991 | Good | Good | Good | Good | 30785 | 89.5 |
Element Data
Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Element | Units | Quantity | 1-Good | 2-Fair | 3-Poor | 4-Serious |
---|
Superstructure |
Steel Girder/Beam | linear ft. | 1,376 | 0 | 1,176 | 0 | 200 |
Steel Protective Coating | sq. ft. | 13,993 | 0 | 0 | 13,993 | 0 |
Deck |
Reinforced Concrete Deck | sq. ft. | 10,779 | 10,779 | 0 | 0 | 0 |
Substructure |
Reinforced Concrete Column | each | 10 | 10 | 0 | 0 | 0 |
Reinforced Concrete Abutment | linear ft. | 177 | 0 | 177 | 0 | 0 |
Reinforced Concrete Pier Cap | linear ft. | 136 | 0 | 134 | 2 | 0 |
Joints |
Compression Joint | linear ft. | 282 | 0 | 178 | 0 | 104 |
Bearings |
Movable Bearing | each | 27 | 0 | 11 | 12 | 4 |
Fixed Bearing | each | 27 | 0 | 27 | 0 | 0 |
Bridge Rail |
Reinforced Concrete Bridge Rail | linear ft. | 306 | 306 | 0 | 0 | 0 |