MILLIGAN HWY over BLACK RIVER
Map
Coordinates:
+45.27794, -84.2435145°16'41" N, 84°14'37" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | MILLIGAN HWY over BLACK RIVER |
Structure number: | 000000000008984 |
Old structure number: | 71301B00009B010 (from 1992 edition) |
Location: | 0.9 MI WEST OF M-33 |
Purpose: | Carries highway over waterway |
Route classification: | Local (Rural) [09] |
Length of largest span: | 62.7 ft. [19.1 m] |
Total length: | 64.0 ft. [19.5 m] |
Roadway width between curbs: | 30.8 ft. [9.4 m] |
Deck width edge-to-edge: | 31.2 ft. [9.5 m] |
Owner: | County Highway Agency [02] |
Year built: | 1986 |
Historic significance: | Bridge is not eligible for the National Register of Historic Places [5] |
Design load: | MS 18 / HS 20 [5] |
Main span material: | Prestressed concrete [5] |
Main span design: | Box beam or girders - Multiple [05] |
Deck type: | Concrete Cast-in-Place [1] |
Wearing surface: | Bituminous [6] |
Latest Available Inspection: September 2017
Good/Fair/Poor Condition: | Good |
Status: | Open, no restriction [A] |
Average daily traffic: | 180 [as of 2007] |
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: | Equal to present minimum criteria [6] |
Water adequacy appraisal: | Better than present minimum criteria [7] |
Roadway alignment appraisal: | Somewhat better than minimum adequacy to tolerate being left in place as is [5] |
Channel protection: | Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7] |
Scour condition: | Bridge foundations determined to be stable for assessed or calculated scour condition. [5] |
Sufficiency rating: | 98.9 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
September 2017 | Good | Good | Good | Good | 180 | 98.9 |
September 2015 | Good | Good | Good | Good | 180 | 98.9 |
September 2013 | Good | Good | Good | Good | 180 | 98.9 |
September 2011 | Good | Good | Good | Good | 180 | 98.9 |
September 2009 | Good | Good | Good | Good | 180 | 98.9 |
July 2007 | Good | Good | Good | Good | 180 | 98.9 |
June 2005 | Good | Very Good | Very Good | Very Good | 180 | 98.9 |
April 2003 | Good | Very Good | Very Good | Very Good | 180 | 98.9 |
April 2001 | Good | Very Good | Very Good | Very Good | 180 | 98.9 |
January 1999 | Good | Very Good | Very Good | Very Good | 180 | 98.9 |
October 1996 | Good | Very Good | Very Good | Very Good | 180 | 98.9 |
July 1994 | Good | Very Good | Very Good | Very Good | 180 | 98.9 |
May 1992 | Good | Very Good | Very Good | Very Good | 180 | 98.9 |
November 1989 | Good | Excellent | Very Good | Very Good | 180 | 99.9 |