+42.43666, -84.95382
42°26'12" N, 84°57'14" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:BUTTERFIELD HY M78 over I-69
Structure number:000000000002252
Old structure number:23123061000S030 (from 1992 edition)
Location:1.4 MI SW OF OLIVET
Purpose:Carries highway over highway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:91.9 ft. [28.0 m]
Total length:476.1 ft. [145.1 m]
Roadway width between curbs:46.6 ft. [14.2 m]
Deck width edge-to-edge:50.2 ft. [15.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:13°
Owner:State Highway Agency [01]
Year built:1972
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:7
Main spans material:Steel [3]
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: May 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,875 [as of 2007]
Truck traffic:11% of total traffic
Deck condition:Fair [5 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:81.6 tons [74.2 metric tons]
Inventory rating:48.8 tons [44.4 metric tons]
Sufficiency rating:98.0
Recommended work:Bridge deck replacement with only incidental widening. [37]

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201598.0FairFairGoodSatisfactory-3875
May 201398.0FairFairGoodSatisfactory-3875
May 201199.0FairSatisfactoryGoodSatisfactory-3875
May 200999.0FairSatisfactoryGoodSatisfactory-3875
May 200799.0FairSatisfactoryGoodSatisfactory-7564
May 200599.0FairSatisfactoryGoodSatisfactory-17000
May 200399.0FairSatisfactoryGoodGood-17000
May 200199.0FairSatisfactorySatisfactoryGood-17000
April 199970.0PoorSatisfactoryFairPoorSD17000
July 199769.0PoorFairFairPoorSD17000
July 199587.0FairFairGoodFair-1800
September 199371.0PoorFairGoodPoorSD2500
September 199188.0FairSatisfactoryGoodFair-2500
March 198988.0FairSatisfactoryGoodFair-2500