M-3 (GRATIOT) over I-94
Map
Coordinates:
+42.39154, -83.0062742°23'30" N, 83°00'23" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | M-3 (GRATIOT) over I-94 |
Structure number: | 000000000011245 |
Old structure number: | 82182025000S010 (from 1992 edition) |
Location: | IN DETROIT |
Purpose: | Carries highway and pedestrian walkway over highway |
Route classification: | Other Principal Arterial (Urban) [14] |
Length of largest span: | 116.1 ft. [35.4 m] |
Total length: | 236.2 ft. [72.0 m] |
Roadway width between curbs: | 89.9 ft. [27.4 m] |
Deck width edge-to-edge: | 128.9 ft. [39.3 m] |
Vertical clearance below bridge: | 13.1 ft. [4.0 m] |
Skew angle: | 45° |
Owner: | State Highway Agency [01] |
Year built: | 2018 |
Historic significance: | Bridge is not eligible for the National Register of Historic Places [5] |
Number of main spans: | 2 |
Main spans material: | Prestressed concrete [5] |
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: October 2017
Good/Fair/Poor Condition: | Poor |
Status: | Open, no restriction [A] |
Average daily traffic: | 31,939 [as of 2007] |
Truck traffic: | 3% of total traffic |
Deck condition: | Poor [4 out of 9] |
Superstructure condition: | Poor [4 out of 9] |
Substructure condition: | Satisfactory [6 out of 9] |
Structural appraisal: | Meets minimum tolerable limits to be left in place as is [4] |
Deck geometry appraisal: | Basically intolerable requiring high priority of replacement [2] |
Underclearances appraisal: | Basically intolerable requiring high priority of corrrective action [3] |
Roadway alignment appraisal: | Better than present minimum criteria [7] |
Scour condition: | Bridge not over waterway. [N] |
Sufficiency rating: | 47.0 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
October 2017 | Poor | Poor | Poor | Satisfactory | 31939 | 47.0 |
October 2016 | Poor | Poor | Poor | Satisfactory | 31939 | 47.0 |
October 2015 | Poor | Serious | Poor | Satisfactory | 31939 | 47.0 |
October 2014 | Poor | Serious | Fair | Satisfactory | 31939 | 62.0 |
November 2013 | Poor | Serious | Fair | Satisfactory | 31939 | 62.0 |
November 2012 | Poor | Serious | Satisfactory | Satisfactory | 31939 | 72.0 |
December 2011 | Poor | Serious | Satisfactory | Good | 31939 | 72.0 |
December 2010 | Poor | Serious | Satisfactory | Good | 31939 | 72.0 |
December 2009 | Poor | Serious | Satisfactory | Good | 31939 | 17.0 |
September 2008 | Poor | Serious | Fair | Fair | 31939 | 17.0 |
June 2007 | Poor | Serious | Fair | Fair | 33540 | 17.0 |
March 2006 | Poor | Serious | Fair | Fair | 33540 | 17.0 |
January 2005 | Poor | Serious | Fair | Fair | 27100 | 17.0 |
November 2003 | Poor | Serious | Fair | Fair | 27100 | 17.0 |
October 2002 | Poor | Serious | Fair | Fair | 27100 | 17.0 |
August 2001 | Poor | Serious | Fair | Fair | 27100 | 17.0 |
June 2000 | Poor | Serious | Fair | Fair | 27100 | 17.0 |
August 1999 | Poor | Serious | Fair | Fair | 27100 | 62.0 |
July 1998 | Poor | Serious | Poor | Fair | 27100 | 47.0 |
June 1997 | Poor | Poor | Poor | Fair | 27100 | 47.0 |
June 1994 | Poor | Fair | Poor | Satisfactory | 27100 | 49.0 |
June 1992 | Poor | Fair | Poor | Satisfactory | 27100 | 49.0 |
May 1990 | Fair | Satisfactory | Satisfactory | Satisfactory | 27100 | 77.0 |
Element Data
Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Element | Units | Quantity | 1-Good | 2-Fair | 3-Poor | 4-Serious |
---|
Superstructure |
Prestressed Concrete Girder/Beam | linear ft. | 4,726 | 4,726 | 0 | 0 | 0 |
Concrete Protective Coating | sq. ft. | 14,160 | 14,160 | 0 | 0 | 0 |
Substructure |
Reinforced Concrete Column | each | 9 | 9 | 0 | 0 | 0 |
Reinforced Concrete Abutment | linear ft. | 364 | 364 | 0 | 0 | 0 |
Reinforced Concrete Pier Cap | linear ft. | 185 | 185 | 0 | 0 | 0 |
Joints |
Strip Seal Joint | linear ft. | 667 | 667 | 0 | 0 | 0 |
Pourable Joint | linear ft. | 364 | 364 | 0 | 0 | 0 |
Other Joint | linear ft. | 364 | 364 | 0 | 0 | 0 |
Bearings |
Movable Bearing | each | 40 | 40 | 0 | 0 | 0 |
Fixed Bearing | each | 40 | 40 | 0 | 0 | 0 |
Bridge Rail |
Reinforced Concrete Bridge Rail | linear ft. | 472 | 472 | 0 | 0 | 0 |
Deck |
Reinforced Concrete Slab | sq. ft. | 30,435 | 30,435 | 0 | 0 | 0 |