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HEIGHTS RD over LAKE FRANCIS CANAL 071

Pondera County, Montana

Map

Coordinates:
+48.27173, -112.34793
48°16'18" N, 112°20'53" W

Facts

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

Name:	HEIGHTS RD over LAKE FRANCIS CANAL 071
Structure number:	L37034002+03001
Location:	6M SW VALIER
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	23.0 ft. `[7.0 m]`
Total length:	47.9 ft. `[14.6 m]`
Roadway width between curbs:	23.6 ft. `[7.2 m]`
Deck width edge-to-edge:	24.3 ft. `[7.4 m]`
Owner:	County Highway Agency `[02]`
Year built:	1960
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Number of main spans:	2
Main spans material:	Wood or timber `[7]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Wood or Timber `[8]`
Wearing surface:	Gravel `[8]`

Latest Available Inspection: November 2018

Good/Fair/Poor Condition:	Fair
Status:	Posted for load `[P]`
Average daily traffic:	100 `[as of 2002]`
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Fair `[5 out of 9]`
Structural appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Deck geometry appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Better than present minimum criteria `[7]`
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 assessed or calculated scour condition. `[5]`
Sufficiency rating:	60.3

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
November 2018	Fair	Good	Satisfactory	Fair	100	60.3
November 2016	Fair	Good	Satisfactory	Fair	100	60.3
December 2014	Fair	Good	Satisfactory	Fair	100	61.3
December 2012	Fair	Good	Satisfactory	Fair	100	61.3
December 2010	Fair	Good	Satisfactory	Fair	100	61.3
December 2008	Fair	Good	Satisfactory	Fair	100	61.3
November 2006	Fair	Good	Satisfactory	Fair	100	61.3
November 2004	Fair	Good	Satisfactory	Fair	100	61.3
November 2002	Poor	Good	Satisfactory	Poor	100	47.2
April 2001	Fair	Good	Satisfactory	Good	100	71.3
May 1999	Fair	Good	Fair	Good	100	59.3
February 1997	Fair	Good	Fair	Good	100	59.3
August 1995	Fair	Good	Fair	Good	31	59.1
November 1992	Fair	Good	Fair	Good	31	60.5
February 1991	Fair	Good	Satisfactory	Good	31	70.5

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
Timber Girder/Beam	linear ft.	623	470	130	23	0
Substructure
Timber Abutment	linear ft.	82	52	20	10	0
Timber Pile	each	15	5	9	0	1
Timber Pier Cap	linear ft.	82	40	36	6	0
Deck
Timber Deck	sq. ft.	1,163	1,069	94	0	0
Wearing Surfaces	sq. ft.	1,163	1,065	98	0	0
Bridge Rail
Timber Bridge Rail	linear ft.	95	0	95	0	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/1316767