NB I-75 BL over I-75 SB
Map
Coordinates:
+44.64470, -84.7078644°38'41" N, 84°42'28" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | NB I-75 BL over I-75 SB |
Structure number: | 000000000002035 |
Old structure number: | 20120014000S030 (from 1992 edition) |
Location: | @ S JCT I-75 BL |
Purpose: | Carries highway over highway |
Route classification: | Principal Arterial - Interstate (Rural) [01] |
Length of largest span: | 88.9 ft. [27.1 m] |
Total length: | 204.7 ft. [62.4 m] |
Roadway width between curbs: | 21.7 ft. [6.6 m] |
Deck width edge-to-edge: | 25.9 ft. [7.9 m] |
Vertical clearance below bridge: | 13.1 ft. [4.0 m] |
Skew angle: | 50° |
Owner: | State Highway Agency [01] |
Year built: | 1961 |
Year reconstructed: | 2008 |
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: | 3 |
Main spans material: | Steel [3] |
Main spans design: | Stringer/Multi-beam or girder [02] |
Deck type: | Concrete Cast-in-Place [1] |
Wearing surface: | Epoxy Overlay [5] |
Latest Available Inspection: March 2018
Good/Fair/Poor Condition: | Good |
Status: | Open, no restriction [A] |
Average daily traffic: | 4,810 [as of 2007] |
Truck traffic: | 10% of total traffic |
Deck condition: | Good [7 out of 9] |
Superstructure condition: | Good [7 out of 9] |
Substructure condition: | Good [7 out of 9] |
Structural appraisal: | Better than present minimum criteria [7] |
Deck geometry appraisal: | Somewhat better than minimum adequacy to tolerate being left in place as is [5] |
Underclearances appraisal: | Somewhat better than minimum adequacy to tolerate being left in place as is [5] |
Roadway alignment appraisal: | Equal to present minimum criteria [6] |
Scour condition: | Bridge not over waterway. [N] |
Sufficiency rating: | 96.2 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
March 2018 | Good | Good | Good | Good | 4810 | 96.2 |
March 2016 | Good | Good | Good | Good | 4810 | 96.2 |
April 2014 | Good | Good | Good | Good | 4810 | 96.2 |
April 2012 | Good | Good | Good | Good | 4810 | 96.2 |
February 2011 | Good | Good | Good | Good | 4810 | 96.2 |
February 2009 | Good | Good | Good | Good | 4810 | 97.2 |
February 2007 | Fair | Satisfactory | Good | Good | 4039 | 92.4 |
February 2005 | Fair | Satisfactory | Good | Satisfactory | 8000 | 90.8 |
February 2003 | Fair | Satisfactory | Good | Satisfactory | 8000 | 89.7 |
February 2001 | Fair | Satisfactory | Good | Satisfactory | 8000 | 89.7 |
August 1999 | Fair | Satisfactory | Good | Satisfactory | 8000 | 89.7 |
August 1997 | Fair | Satisfactory | Good | Good | 8000 | 89.7 |
July 1995 | Fair | Satisfactory | Good | Good | 6200 | 91.5 |
June 1993 | Fair | Satisfactory | Good | Good | 6200 | 91.5 |
April 1991 | Fair | Satisfactory | Good | Good | 6200 | 91.5 |
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 |
Steel Girder/Beam | linear ft. | 1,015 | 891 | 124 | 0 | 0 |
Steel Protective Coating | sq. ft. | 10,949 | 10,840 | 109 | 0 | 0 |
Deck |
Reinforced Concrete Deck | sq. ft. | 5,278 | 5,278 | 0 | 0 | 0 |
Wearing Surfaces | sq. ft. | 4,263 | 4,263 | 0 | 0 | 0 |
Substructure |
Reinforced Concrete Column | each | 6 | 2 | 2 | 2 | 0 |
Concrete Protective Coating | sq. ft. | 958 | 958 | 0 | 0 | 0 |
Reinforced Concrete Abutment | linear ft. | 151 | 131 | 20 | 0 | 0 |
Concrete Protective Coating | sq. ft. | 1,272 | 1,272 | 0 | 0 | 0 |
Reinforced Concrete Pier Cap | linear ft. | 78 | 35 | 43 | 0 | 0 |
Concrete Protective Coating | sq. ft. | 1,188 | 1,188 | 0 | 0 | 0 |
Joints |
Strip Seal Joint | linear ft. | 70 | 70 | 0 | 0 | 0 |
Pourable Joint | linear ft. | 70 | 0 | 0 | 51 | 19 |
Bearings |
Movable Bearing | each | 15 | 0 | 15 | 0 | 0 |
Fixed Bearing | each | 15 | 6 | 9 | 0 | 0 |
Bridge Rail |
Reinforced Concrete Bridge Rail | linear ft. | 410 | 360 | 30 | 20 | 0 |
Concrete Protective Coating | sq. ft. | 3,280 | 3,280 | 0 | 0 | 0 |