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LASALLE STREET over TROLLEY CAR TUNNEL
Map
Coordinates:
+41.88959, -87.63254
41°53'23" N, 87°37'57" W
+41.88959, -87.63254
41°53'23" N, 87°37'57" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
| Name: | LASALLE STREET over TROLLEY CAR TUNNEL |
| Structure number: | 016617600000000 |
| Old structure number: | 000016617634097 (from 1992 edition) |
| Location: | N. OF CHICAGO RIVER |
| Route classification: | Other Principal Arterial (Urban) [14] |
| Length of largest span: | 54.5 ft. [16.6 m] |
| Total length: | 56.4 ft. [17.2 m] |
| Roadway width between curbs: | 34.5 ft. [10.5 m] |
| Deck width edge-to-edge: | 34.5 ft. [10.5 m] |
| Owner: | City or Municipal Highway Agency [04] |
| Year built: | 1911 |
| Year reconstructed: | 2007 |
| Historic significance: | Bridge is not eligible for the National Register of Historic Places [5] |
| Design load: | MS 18 / HS 20 [5] |
| Main span material: | Steel [3] |
| Main span design: | Stringer/Multi-beam or girder [02] |
| Deck type: | Concrete Cast-in-Place [1] |
| Wearing surface: | Bituminous [6] |
Latest Available Inspection: November 2018
| Good/Fair/Poor Condition: | Fair |
| Status: | Open, no restriction [A] |
| Average daily traffic: | 24,500 [as of 2018] |
| Truck traffic: | 8% of total traffic |
| Deck condition: | Good [7 out of 9] |
| Superstructure condition: | Very Good [8 out of 9] |
| Substructure condition: | Satisfactory [6 out of 9] |
| Structural appraisal: | Equal to present minimum criteria [6] |
| Deck geometry appraisal: | Basically intolerable requiring high priority of replacement [2] |
| Roadway alignment appraisal: | Equal to present desirable criteria [8] |
| Scour condition: | Bridge not over waterway. [N] |
| Sufficiency rating: | 78.0 |
Previous Inspections
| Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
|---|---|---|---|---|---|---|
| November 2018 | Fair | Good | Very Good | Satisfactory | 24500 | 78.0 |
| January 2017 | Fair | Very Good | Very Good | Satisfactory | 19500 | 81.0 |
| January 2015 | Fair | Very Good | Very Good | Satisfactory | 19500 | 81.0 |
| January 2013 | Fair | Very Good | Very Good | Satisfactory | 24900 | 81.0 |
| January 2011 | Fair | Very Good | Very Good | Satisfactory | 12450 | 81.0 |
| June 2008 | Fair | Excellent | Excellent | Satisfactory | 12050 | 81.0 |
| June 2006 | Poor | Poor | Poor | Satisfactory | 12050 | 51.0 |
Element Data
Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
| Element | Units | Quantity | 1-Good | 2-Fair | 3-Poor | 4-Serious |
|---|---|---|---|---|---|---|
| Deck | ||||||
| Reinforced Concrete Deck | sq. ft. | 1,914 | 1,914 | 0 | 0 | 0 |
| Superstructure | ||||||
| Steel Floor Beam | linear ft. | 97 | 97 | 0 | 0 | 0 |
| Substructure | ||||||
| Reinforced Concrete Abutment | linear ft. | 69 | 69 | 0 | 0 | 0 |
| Reinforced Concrete Pier Cap | linear ft. | 162 | 161 | 0 | 1 | 0 |
© Copyright 2012-20, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
This page's URL is http://bridgereports.com/1139988
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
This page's URL is http://bridgereports.com/1139988