I-475 over LEITH STREET
Map
Coordinates:
+43.04289, -83.6763243°02'34" N, 83°40'35" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | I-475 over LEITH STREET |
Structure number: | 000000000002674 |
Old structure number: | 25125132000S240 (from 1992 edition) |
Location: | IN CITY OF FLINT |
Purpose: | Carries highway over highway |
Route classification: | Principal Arterial - Interstate (Urban) [11] |
Length of largest span: | 79.7 ft. [24.3 m] |
Total length: | 157.8 ft. [48.1 m] |
Roadway width between curbs: | 122.1 ft. [37.2 m] |
Deck width edge-to-edge: | 123.7 ft. [37.7 m] |
Vertical clearance below bridge: | 13.1 ft. [4.0 m] |
Skew angle: | 12° |
Owner: | State Highway Agency [01] |
Year built: | 1977 |
Historic significance: | Bridge is not eligible for the National Register of Historic Places [5] |
Design load: | MS 22.5 / HS 25 [9] |
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: | Latex Concrete or similar additive [3] |
Latest Available Inspection: April 2016
Good/Fair/Poor Condition: | Fair |
Status: | Open, no restriction [A] |
Average daily traffic: | 56,000 [as of 2007] |
Truck traffic: | 3% of total traffic |
Deck condition: | Satisfactory [6 out of 9] |
Superstructure condition: | Good [7 out of 9] |
Substructure condition: | Satisfactory [6 out of 9] |
Structural appraisal: | Equal to present minimum criteria [6] |
Deck geometry appraisal: | Superior to present desirable criteria [9] |
Underclearances appraisal: | Equal to present minimum criteria [6] |
Roadway alignment appraisal: | Equal to present desirable criteria [8] |
Scour condition: | Bridge not over waterway. [N] |
Sufficiency rating: | 92.8 |
Recommended work: | Bridge deck replacement with only incidental widening. [37] |
Estimated cost of work: | $151,000 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
April 2016 | Fair | Satisfactory | Good | Satisfactory | 56000 | 92.8 |
April 2014 | Fair | Satisfactory | Good | Satisfactory | 56000 | 92.8 |
April 2012 | Good | Good | Good | Good | 56000 | 92.8 |
April 2010 | Good | Good | Good | Good | 56000 | 92.8 |
April 2008 | Good | Good | Good | Good | 56000 | 92.8 |
April 2006 | Good | Good | Good | Good | 61098 | 92.3 |
April 2004 | Good | Good | Good | Good | 57000 | 92.7 |
April 2002 | Good | Good | Good | Good | 57000 | 92.7 |
October 2001 | Good | Good | Good | Good | 57000 | 92.7 |
September 2000 | Fair | Satisfactory | Good | Good | 57000 | 92.7 |
September 1998 | Fair | Satisfactory | Satisfactory | Good | 57000 | 92.7 |
July 1996 | Fair | Good | Satisfactory | Good | 57000 | 92.7 |
August 1994 | Fair | Good | Satisfactory | Good | 22700 | 96.3 |
June 1992 | Fair | Good | Satisfactory | Very Good | 22700 | 96.3 |
August 1990 | Good | Good | Very Good | Very Good | 22700 | 96.3 |
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. | 8,285 | 8,068 | 0 | 217 | 0 |
Steel Protective Coating | sq. ft. | 212,253 | 210,133 | 2,120 | 0 | 0 |
Deck |
Reinforced Concrete Deck | sq. ft. | 210,112 | 206,678 | 3,369 | 65 | 0 |
Superstructure |
Steel Pin or Pin & Hangar Assembly | each | 32 | 32 | 0 | 0 | 0 |
Substructure |
Reinforced Concrete Column | each | 20 | 20 | 0 | 0 | 0 |
Reinforced Concrete Abutment | linear ft. | 817 | 686 | 115 | 16 | 0 |
Reinforced Concrete Pier Cap | linear ft. | 817 | 817 | 0 | 0 | 0 |
Joints |
Strip Seal Joint | linear ft. | 833 | 0 | 833 | 0 | 0 |
Pourable Joint | linear ft. | 1,667 | 0 | 1,667 | 0 | 0 |
Bearings |
Movable Bearing | each | 32 | 28 | 4 | 0 | 0 |
Fixed Bearing | each | 32 | 28 | 0 | 4 | 0 |
Bridge Rail |
Reinforced Concrete Bridge Rail | linear ft. | 1,551 | 928 | 548 | 62 | 13 |