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US-23 over SWAN RIVER

Presque Isle County, Michigan

Map

Coordinates:
+45.34805, -83.73892
45°20'53" N, 83°44'20" W

Facts

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

Name:	US-23 over SWAN RIVER
Structure number:	000000000008963
Old structure number:	71171072000B010 `(from 1992 edition)`
Location:	1.8 MI NW OF M-65
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Other (Rural) `[02]`
Length of largest span:	44.9 ft. `[13.7 m]`
Total length:	44.9 ft. `[13.7 m]`
Roadway width between curbs:	44.0 ft. `[13.4 m]`
Deck width edge-to-edge:	46.9 ft. `[14.3 m]`
Owner:	State Highway Agency `[01]`
Year built:	1939
Year reconstructed:	1993
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:	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 2017

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	2,564 `[as of 2007]`
Truck traffic:	14% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Very Good `[8 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Better than present minimum criteria `[7]`
Deck geometry appraisal:	Better than present minimum criteria `[7]`
Water adequacy appraisal:	Better than present minimum criteria `[7]`
Roadway alignment appraisal:	Equal to present minimum criteria `[6]`
Channel protection:	Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. `[5]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	96.3

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
May 2017	Good	Good	Very Good	Good	2564	96.3
August 2015	Good	Good	Very Good	Good	2564	96.3
August 2013	Good	Good	Very Good	Good	2564	96.3
June 2011	Good	Very Good	Very Good	Good	2564	96.3
June 2009	Good	Very Good	Very Good	Good	2564	96.3
June 2007	Good	Very Good	Very Good	Good	2470	96.4
June 2005	Good	Very Good	Very Good	Good	3000	95.6
June 2003	Good	Very Good	Very Good	Very Good	3000	95.5
August 2001	Good	Very Good	Very Good	Very Good	3000	95.5
September 1999	Good	Very Good	Very Good	Very Good	3000	95.5
September 1997	Good	Very Good	Very Good	Very Good	3000	93.5
September 1995	Good	Very Good	Excellent	Very Good	3100	93.3
June 1993	Good	Excellent	Excellent	Excellent	3100	93.3
October 1992	Fair	Very Good	Very Good	Satisfactory	3100	93.3
April 1991	Poor	Poor	Poor	Satisfactory	3100	53.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Prestressed Concrete Girder/Beam	linear ft.	308	308	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	2,068	1,783	197	88	0
Substructure
Reinforced Concrete Abutment	linear ft.	242	241	1	0	0
Joints
Pourable Joint	linear ft.	88	88	0	0	0
Bearings
Elastomeric Bearing	each	14	14	0	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	88	0	44	44	0

© 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/1255455