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OLD US 91 over NOVAK CREEK 005

Cascade County, Montana

Map

Coordinates:
+47.15340, -111.83361
47°09'12" N, 111°50'01" W

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Facts

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

Name:	OLD US 91 over NOVAK CREEK 005
Structure number:	L07604005+00001
Location:	12M S CASCADE
Purpose:	Carries highway over waterway
Route classification:	Major Collector (Rural) `[07]`
Length of largest span:	21.7 ft. `[6.6 m]`
Total length:	44.0 ft. `[13.4 m]`
Roadway width between curbs:	22.0 ft. `[6.7 m]`
Deck width edge-to-edge:	25.3 ft. `[7.7 m]`
Owner:	State Highway Agency `[01]`
Year built:	1931
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	M 13.5 / H 15 `[2]`
Number of main spans:	2
Main spans material:	Concrete `[1]`
Main spans design:	Tee beam `[04]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	330 `[as of 2015]`
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Satisfactory `[6 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:	Meets minimum tolerable limits to be left in place as is `[4]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
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:	63.8
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$73,000

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
January 2017	Fair	Satisfactory	Satisfactory	Fair	330	63.8
January 2015	Fair	Satisfactory	Satisfactory	Fair	100	78.6
January 2013	Fair	Satisfactory	Satisfactory	Fair	100	78.6
January 2011	Fair	Satisfactory	Satisfactory	Fair	100	78.6
January 2009	Fair	Satisfactory	Satisfactory	Fair	100	78.6
December 2006	Fair	Satisfactory	Satisfactory	Fair	100	79.6
December 2004	Poor	Satisfactory	Satisfactory	Poor	100	63.5
January 2003	Poor	Satisfactory	Satisfactory	Poor	100	63.5
January 2001	Poor	Satisfactory	Satisfactory	Poor	100	63.5
July 1999	Poor	Satisfactory	Satisfactory	Poor	100	61.5
November 1996	Poor	Satisfactory	Satisfactory	Poor	100	61.5
February 1995	Poor	Satisfactory	Satisfactory	Poor	252	48.1
September 1992	Poor	Satisfactory	Satisfactory	Poor	252	48.1
January 1991	Poor	Satisfactory	Satisfactory	Poor	31	57.5

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
Reinforced Concrete Girder/Beam	linear ft.	177	151	26	0	0
Deck
Reinforced Concrete Top Flange	sq. ft.	1,109	1,062	0	47	0
Wearing Surfaces	sq. ft.	1,109	1,109	0	0	0
Substructure
Reinforced Concrete Column	each	2	2	0	0	0
Reinforced Concrete Abutment	linear ft.	59	44	15	0	0
Reinforced Concrete Pier Cap	linear ft.	26	17	5	4	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	89	80	9	0	0

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