IL 43 NB (HARLEM) over RR - CN
Map
Coordinates:
+41.79826, -87.8017041°47'54" N, 87°48'06" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | IL 43 NB (HARLEM) over RR - CN |
Structure number: | 016031800000000 |
Old structure number: | 000016031804060 (from 1992 edition) |
Location: | 0.1 M S I-55 |
Purpose: | Carries highway over railroad |
Route classification: | Other Principal Arterial (Urban) [14] |
Length of largest span: | 74.2 ft. [22.6 m] |
Total length: | 217.9 ft. [66.4 m] |
Roadway width between curbs: | 48.6 ft. [14.8 m] |
Deck width edge-to-edge: | 55.4 ft. [16.9 m] |
Vertical clearance below bridge: | 19.7 ft. [6.0 m] |
Owner: | State Highway Agency [01] |
Year built: | 1931 |
Year reconstructed: | 1990 |
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: | 4 |
Main spans material: | Steel continuous [4] |
Main spans design: | Stringer/Multi-beam or girder [02] |
Deck type: | Concrete Cast-in-Place [1] |
Latest Available Inspection: September 2017
Good/Fair/Poor Condition: | Fair |
Status: | Open, no restriction [A] |
Average daily traffic: | 38,900 [as of 2017] |
Truck traffic: | 16% of total traffic |
Deck condition: | Satisfactory [6 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: | Basically intolerable requiring high priority of replacement [2] |
Underclearances appraisal: | Somewhat better than minimum adequacy to tolerate being left in place as is [5] |
Roadway alignment appraisal: | Equal to present desirable criteria [8] |
Scour condition: | Bridge not over waterway. [N] |
Sufficiency rating: | 54.0 |
Recommended work: | Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31] |
Estimated cost of work: | $2,786,000 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
September 2017 | Fair | Satisfactory | Fair | Satisfactory | 38900 | 54.0 |
October 2015 | Good | Good | Good | Good | 44700 | 65.0 |
November 2013 | Good | Good | Good | Good | 45600 | 65.0 |
November 2011 | Fair | Good | Satisfactory | Good | 21900 | 68.1 |
January 2010 | Fair | Good | Satisfactory | Good | 21900 | 68.1 |
January 2008 | Fair | Good | Satisfactory | Good | 23750 | 67.2 |
January 2006 | Fair | Good | Satisfactory | Good | 23200 | 67.4 |
April 2004 | Good | Good | Good | Good | 21500 | 68.3 |
November 2001 | Good | Good | Good | Good | 18500 | 69.8 |
March 2000 | Good | Good | Good | Good | 22950 | 67.6 |
July 1997 | Good | Good | Very Good | Good | 22950 | 67.6 |
July 1994 | Good | Good | Very Good | Good | 18150 | 68.0 |
October 1993 | Good | Good | Very Good | Good | 19850 | 67.1 |
May 1992 | Good | Very Good | Very Good | Very Good | 21500 | 66.3 |
April 1991 | Poor | Poor | Very Good | Very Good | 21500 | 64.8 |
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. | 1,308 | 1,286 | 18 | 4 | 0 |
Deck |
Reinforced Concrete Deck | sq. ft. | 12,399 | 11,899 | 500 | 0 | 0 |
Substructure |
Reinforced Concrete Column | each | 17 | 17 | 0 | 0 | 0 |
Reinforced Concrete Pier Wall | linear ft. | 189 | 185 | 3 | 1 | 0 |
Reinforced Concrete Abutment | linear ft. | 111 | 107 | 2 | 2 | 0 |
Reinforced Concrete Pier Cap | linear ft. | 300 | 294 | 6 | 0 | 0 |
Joints |
Strip Seal Joint | linear ft. | 128 | 128 | 0 | 0 | 0 |
Bearings |
Elastomeric Bearing | each | 36 | 21 | 15 | 0 | 0 |
Fixed Bearing | each | 9 | 9 | 0 | 0 | 0 |
Bridge Rail |
Reinforced Concrete Bridge Rail | linear ft. | 436 | 386 | 50 | 0 | 0 |