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BURMA RD over BIG HOLE RIVER OVER 062

Madison County, Montana

Map

Coordinates:
+45.46847, -112.66361
45°28'07" N, 112°39'49" W

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Facts

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

Name:	BURMA RD over BIG HOLE RIVER OVER 062
Structure number:	L29141015+07001
Location:	1M SE GLEN
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	107.3 ft. `[32.7 m]`
Total length:	107.3 ft. `[32.7 m]`
Roadway width between curbs:	26.2 ft. `[8.0 m]`
Deck width edge-to-edge:	26.2 ft. `[8.0 m]`
Owner:	County Highway Agency `[02]`
Year built:	2000
Historic significance:	Bridge is eligible for the National Register of Historic Places `[2]`
Design load:	MS 18 / HS 20 `[5]`
Main span material:	Prestressed concrete `[5]`
Main span 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: March 2018

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	100 `[as of 2001]`
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Better than present minimum criteria `[7]`
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:	97.6

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
March 2018	Good	Good	Good	Good	100	97.6
March 2016	Good	Good	Good	Good	100	99.6
March 2014	Good	Good	Good	Good	100	99.6
March 2012	Good	Good	Good	Good	100	99.6
April 2010	Good	Good	Good	Good	100	99.6
March 2008	Good	Good	Very Good	Good	100	99.6
March 2006	Good	Good	Very Good	Very Good	100	85.8
April 2004	Good	Very Good	Very Good	Very Good	100	85.8
August 2001	Good	Very Good	Very Good	Very Good	100	14.9
May 1999	Poor	Satisfactory	Poor	Fair	100	14.9
March 1997	Poor	Satisfactory	Poor	Fair	100	14.9
April 1995	Poor	Satisfactory	Poor	Fair	31	18.4
May 1993	Fair	Satisfactory	Fair	Fair	31	18.4
April 1991	Poor	Poor	Fair	Fair	31	13.0

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.	430	430	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	2,820	2,520	300	0	0
Substructure
Reinforced Concrete Abutment	linear ft.	116	114	2	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	213	213	0	0	0
Steel Protective Coating	sq. ft.	894	894	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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