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CARBON AVE over ROCK CREEK 026

Carbon County, Montana

Map

Coordinates:
+45.36045, -109.15815
45°21'38" N, 109°09'29" W

Facts

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

Name:	CARBON AVE over ROCK CREEK 026
Structure number:	L05117000+02001
Location:	1M E ROBERTS
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	89.9 ft. `[27.4 m]`
Total length:	91.9 ft. `[28.0 m]`
Roadway width between curbs:	15.7 ft. `[4.8 m]`
Deck width edge-to-edge:	18.0 ft. `[5.5 m]`
Skew angle:	20°
Owner:	County Highway Agency `[02]`
Year built:	1982
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:	Tee beam `[04]`
Deck type:	Not applicable `[N]`

Latest Available Inspection: November 2017

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	100 `[as of 2003]`
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Equal to present minimum criteria `[6]`
Deck geometry appraisal:	Equal to present desirable criteria `[8]`
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:	85.2

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
November 2017	Fair	Good	Satisfactory	Satisfactory	100	85.2
November 2015	Fair	Good	Satisfactory	Satisfactory	100	85.2
November 2013	Fair	Good	Satisfactory	Satisfactory	100	86.2
November 2011	Fair	Good	Satisfactory	Satisfactory	100	86.2
November 2009	Fair	Good	Satisfactory	Satisfactory	100	85.2
November 2007	Fair	Satisfactory	Satisfactory	Good	100	85.2
December 2005	Good	Good	Good	Good	100	85.2
November 2003	Good	Good	Good	Good	100	85.2
February 2002	Good	Good	Good	Good	100	86.2
May 2000	Good	Good	Good	Good	100	86.2
May 1998	Good	Good	Good	Good	100	86.2
December 1996	Good	Good	Good	Very Good	100	84.2
January 1996	Good	Good	Good	Very Good	31	84.4
February 1994	Good	Good	Good	Very Good	31	84.4
December 1991	Fair	Very Good	Satisfactory	Very Good	31	84.4

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.	276	273	0	3	0
Deck
Prestressed Concrete Top Flange	sq. ft.	1,647	0	1,482	165	0
Substructure
Reinforced Concrete Abutment	linear ft.	59	56	0	3	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	184	0	92	92	0
Steel Protective Coating	sq. ft.	460	0	230	0	230

© 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/1315724