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LASALLE STREET over TROLLEY CAR TUNNEL
Map
Coordinates:
+41.88888, -87.63253
41°53'20" N, 87°37'57" W
+41.88888, -87.63253
41°53'20" 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: | 55.4 ft. [16.9 m] |
| Total length: | 55.4 ft. [16.9 m] |
| Roadway width between curbs: | 25.6 ft. [7.8 m] |
| Deck width edge-to-edge: | 25.6 ft. [7.8 m] |
| Owner: | City or Municipal Highway Agency [04] |
| Year built: | 1911 |
| Year reconstructed: | 1942 |
| 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: January 2017
| Good/Fair/Poor Condition: | Fair |
| Status: | Open, no restriction [A] |
| Average daily traffic: | 19,500 [as of 2014] |
| Truck traffic: | 9% of total traffic |
| Deck condition: | Very Good [8 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] |
| Operating rating: | 48.5 tons [44.1 metric tons] |
| Inventory rating: | 35.6 tons [32.4 metric tons] |
| Sufficiency rating: | 81.0 |
Previous Inspections
| Date | Suff. Rating | Condition | Deck | Superstructure | Substructure | SD/FO | ADT |
|---|---|---|---|---|---|---|---|
| January 2017 | 81.0 | Fair | Very Good | Very Good | Satisfactory | FO | 19500 |
| January 2015 | 81.0 | Fair | Very Good | Very Good | Satisfactory | FO | 19500 |
| January 2013 | 81.0 | Fair | Very Good | Very Good | Satisfactory | FO | 24900 |
| January 2011 | 81.0 | Fair | Very Good | Very Good | Satisfactory | FO | 12450 |
| June 2008 | 81.0 | Fair | Excellent | Excellent | Satisfactory | FO | 12050 |
| June 2006 | 51.0 | Poor | Poor | Poor | Satisfactory | SD | 12050 |
© Copyright 2012-18, 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