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N DOWN RIVER RD over N BR AU SABLE RIVER

Crawford County, Michigan

Map

Coordinates:
+44.71662, -84.41987
44°42'60" N, 84°25'12" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	N DOWN RIVER RD over N BR AU SABLE RIVER
Structure number:	000000000002061
Old structure number:	20200006000B010 `(from 1992 edition)`
Location:	9.0 MI SE OF LOVELLS
Purpose:	Carries highway over waterway
Route classification:	Major Collector (Rural) `[07]`
Length of largest span:	46.9 ft. `[14.3 m]`
Total length:	49.9 ft. `[15.2 m]`
Roadway width between curbs:	29.9 ft. `[9.1 m]`
Deck width edge-to-edge:	30.5 ft. `[9.3 m]`
Owner:	County Highway Agency `[02]`
Year built:	1964
Historic significance:	Historical significance is not determinable at this time `[4]`
Design load:	MS 18+Mod / HS 20+Mod `[6]`
Main span material:	Prestressed concrete `[5]`
Main span design:	Box beam or girders - Multiple `[05]`
Deck type:	Concrete Precast Panels `[2]`
Wearing surface:	Bituminous `[6]`

Latest Available Inspection: November 2018

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	287 `[as of 1985]`
Truck traffic:	5% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Fair `[5 out of 9]`
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Deck geometry appraisal:	Equal to present minimum criteria `[6]`
Water adequacy appraisal:	Superior to present desirable criteria `[9]`
Roadway alignment appraisal:	Equal to present minimum criteria `[6]`
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 the assessed or calculated scour condition. `[8]`
Sufficiency rating:	83.8

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
November 2018	Fair	Good	Good	Fair	287	83.8
November 2016	Fair	Good	Good	Fair	287	83.8
November 2014	Fair	Good	Good	Fair	287	83.8
November 2012	Fair	Good	Good	Fair	287	83.8
November 2010	Fair	Good	Good	Fair	287	83.8
November 2008	Fair	Good	Good	Fair	287	83.8
August 2006	Fair	Good	Good	Satisfactory	287	94.8
January 2004	Fair	Very Good	Very Good	Satisfactory	287	94.8
January 2002	Good	Very Good	Very Good	Good	287	94.8
January 2000	Good	Very Good	Very Good	Good	287	94.8
October 1997	Good	Good	Good	Good	287	99.9
April 1995	Good	Good	Good	Good	287	94.8
May 1993	Fair	Good	Satisfactory	Good	287	94.8
January 1990	Fair	Good	Satisfactory	Good	287	94.8

© Copyright 2012-20, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
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