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CHANCE RD over CLARKS FK YELLOWSTNE 004

Carbon County, Montana

Map

Coordinates:
+45.02857, -109.06054
45°01'43" N, 109°03'38" W

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Facts

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

Name:	CHANCE RD over CLARKS FK YELLOWSTNE 004
Structure number:	L05129000+02001
Location:	8M S BELFRY
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	96.8 ft. `[29.5 m]`
Total length:	288.7 ft. `[88.0 m]`
Roadway width between curbs:	27.6 ft. `[8.4 m]`
Deck width edge-to-edge:	29.9 ft. `[9.1 m]`
Skew angle:	25°
Owner:	County Highway Agency `[02]`
Year built:	2004
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18+Mod / HS 20+Mod `[6]`
Number of main spans:	3
Main spans material:	Prestressed concrete `[5]`
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: October 2018

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	100 `[as of 2003]`
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:	Equal to present minimum criteria `[6]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. `[8]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	83.9

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
October 2018	Fair	Satisfactory	Satisfactory	Fair	100	83.9
October 2016	Fair	Satisfactory	Satisfactory	Satisfactory	100	94.9
October 2014	Fair	Good	Good	Satisfactory	100	94.9
October 2012	Fair	Good	Good	Satisfactory	100	94.9
October 2010	Fair	Very Good	Very Good	Satisfactory	100	94.9
October 2008	Good	Very Good	Very Good	Good	100	94.9
October 2006	Good	Very Good	Very Good	Very Good	100	94.9
November 2004	Good	Very Good	Excellent	Excellent	100	94.9
March 2003	Poor	Serious	Fair	Satisfactory	100	24.3
May 2001	Poor	Serious	Fair	Satisfactory	100	24.3
January 1999	Fair	Fair	Satisfactory	Good	100	38.6
March 1997	Fair	Satisfactory	Satisfactory	Good	100	39.6
May 1995	Fair	Good	Satisfactory	Good	31	39.8
October 1992	Fair	Satisfactory	Satisfactory	Good	31	44.2
February 1991	Fair	Good	Satisfactory	Very Good	31	42.2

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.	1,142	1,120	11	11	0
Deck
Reinforced Concrete Deck	sq. ft.	8,622	8,450	172	0	0
Substructure
Reinforced Concrete Abutment	linear ft.	62	44	6	12	0
Steel Pile	each	2	2	0	0	0
Steel Protective Coating	sq. ft.	628	628	0	0	0
Reinforced Concrete Pier Cap	linear ft.	66	66	0	0	0
Bearings
Fixed Bearing	each	24	24	0	0	0
Steel Protective Coating	sq. ft.	24	24	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	577	577	0	0	0
Steel Protective Coating	sq. ft.	1,154	1,154	0	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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