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HWY 489 over RAINY RIVER

Presque Isle County, Michigan

Map

Coordinates:
+45.44624, -84.21653
45°26'46" N, 84°12'60" W

Facts

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

Name:	HWY 489 over RAINY RIVER
Structure number:	000000000008976
Old structure number:	71200014000B010 `(from 1992 edition)`
Location:	5.5 MI N OF ONAWAY
Purpose:	Carries highway over waterway
Route classification:	Major Collector (Rural) `[07]`
Length of largest span:	64.6 ft. `[19.7 m]`
Total length:	107.0 ft. `[32.6 m]`
Roadway width between curbs:	34.1 ft. `[10.4 m]`
Deck width edge-to-edge:	37.4 ft. `[11.4 m]`
Skew angle:	20°
Owner:	County Highway Agency `[02]`
Year built:	2015
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[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:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	1,375 `[as of 2014]`
Truck traffic:	1% of total traffic
Deck condition:	Excellent `[9 out of 9]`
Superstructure condition:	Excellent `[9 out of 9]`
Substructure condition:	Excellent `[9 out of 9]`
Structural appraisal:	Superior to present desirable criteria `[9]`
Deck geometry appraisal:	Equal to present minimum criteria `[6]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Better than present minimum criteria `[7]`
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 assessed or calculated scour condition. `[5]`
Sufficiency rating:	97.7

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
September 2017	Good	Excellent	Excellent	Excellent	1375	97.7
December 2015	Good	Excellent	Excellent	Excellent	1375	97.7
June 2013	Poor	Fair	Serious	Poor	1375	8.0
May 2011	Poor	Fair	Serious	Poor	1375	8.0
May 2009	Poor	Fair	Poor	Poor	1375	15.9
March 2007	Poor	Fair	Poor	Poor	1375	12.3
June 2005	Fair	Fair	Satisfactory	Fair	1375	45.9
April 2003	Fair	Fair	Satisfactory	Satisfactory	1375	54.1
April 2001	Fair	Fair	Satisfactory	Satisfactory	1375	56.6
January 1999	Fair	Fair	Fair	Good	1375	48.6
October 1996	Fair	Fair	Fair	Good	1375	48.6
July 1994	Fair	Fair	Fair	Good	1375	57.9
May 1992	Fair	Fair	Fair	Good	1375	57.9
November 1989	Fair	Fair	Fair	Good	1375	57.9

© Copyright 2012-20, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
This page's URL is http://bridgereports.com/1255465