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COALMINE RD over DRAINAGE 032

Pondera County, Montana

Map

Coordinates:
+48.16024, -112.24094
48°09'37" N, 112°14'27" W

Facts

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

Name:	COALMINE RD over DRAINAGE 032
Structure number:	L37327014+05001
Location:	15M W CONRAD
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	23.0 ft. `[7.0 m]`
Total length:	24.0 ft. `[7.3 m]`
Roadway width between curbs:	25.6 ft. `[7.8 m]`
Deck width edge-to-edge:	26.2 ft. `[8.0 m]`
Owner:	County Highway Agency `[02]`
Year built:	1986
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Main span material:	Prestressed concrete `[5]`
Main span design:	Channel beam `[22]`
Deck type:	Not applicable `[N]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Latest Available Inspection: November 2017

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	100 `[as of 2004]`
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Equal to present minimum criteria `[6]`
Deck geometry appraisal:	Equal to present minimum criteria `[6]`
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:	97.9

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
November 2017	Fair	Good	Good	Satisfactory	100	97.9
November 2015	Fair	Good	Good	Satisfactory	100	99.9
December 2013	Fair	Good	Good	Satisfactory	100	99.9
December 2011	Fair	Good	Good	Satisfactory	100	88.9
December 2009	Fair	Good	Good	Satisfactory	100	88.9
December 2007	Good	Good	Good	Good	100	87.9
January 2006	Good	Good	Good	Good	100	86.9
February 2004	Good	Very Good	Good	Good	100	87.9
December 2001	Good	Very Good	Very Good	Good	100	88.9
April 2000	Good	Very Good	Very Good	Very Good	100	88.9
May 1999	Good	Very Good	Very Good	Very Good	100	86.9
May 1996	Good	Very Good	Very Good	Very Good	100	86.9
February 1994	Good	Very Good	Very Good	Very Good	31	86.8
February 1991	Good	Very Good	Very Good	Very Good	31	88.4

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
Steel Girder/Beam	linear ft.	23	0	23	0	0
Prestressed Concrete Girder/Beam	linear ft.	194	189	5	0	0
Deck
Reinforced Concrete Top Flange	sq. ft.	624	599	25	0	0
Substructure
Steel Column	each	12	0	12	0	0
Steel Protective Coating	sq. ft.	780	156	312	156	156
Steel Abutment	linear ft.	118	83	35	0	0
Steel Protective Coating	sq. ft.	1,400	1,230	0	85	85
Steel Pier Cap	linear ft.	52	0	52	0	0
Steel Protective Coating	sq. ft.	260	52	104	52	52
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	49	41	8	0	0
Steel Protective Coating	sq. ft.	112	104	0	0	8

© 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/1316795