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GRANGE ROAD over LOOKING GLASS RIVER

Map

Coordinates:
+42.82496, -84.78881
42°49'30" N, 84°47'20" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:GRANGE ROAD over LOOKING GLASS RIVER
Structure number:000000000001916
Old structure number:19200023000B010 (from 1992 edition)
Location:1/2 S OF HERBISON
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:70.2 ft. [21.4 m]
Total length:140.4 ft. [42.8 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:34.5 ft. [10.5 m]
Skew angle:20°
Owner:County Highway Agency [02]
Year built: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:2
Main spans material:Prestressed concrete [5]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,311 [as of 2011]
Truck traffic:5% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:94.9 tons [86.3 metric tons]
Inventory rating:57.0 tons [51.8 metric tons]
Sufficiency rating:94.9

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201694.9GoodVery GoodVery GoodVery Good-2311
October 201494.9GoodVery GoodVery GoodVery Good-2311
November 201294.9GoodVery GoodVery GoodVery Good-2311
March 201194.9GoodVery GoodVery GoodVery Good-2311
May 200993.5GoodExcellentExcellentExcellent-3800
April 200741.5PoorPoorPoorSatisfactorySD3800
June 200516.0PoorFairPoorGoodSD2191
June 200316.6PoorFairPoorGoodSD2191
January 200216.6PoorFairPoorGoodSD2191
September 199916.6PoorFairPoorGoodSD2191
April 199843.7FairFairFairSatisfactoryFO2191
April 199649.7FairFairFairSatisfactoryFO2191
April 199460.6FairFairFairSatisfactoryFO2191
November 199160.6FairFairFairSatisfactoryFO2191