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US 212 over THOMPSON CREEK

Carter County, Montana

Map

Coordinates:
+45.04870, -104.45167
45°02'55" N, 104°27'06" W

Facts

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

Name:	US 212 over THOMPSON CREEK
Structure number:	P00023134+04021
Location:	3M NW ALZADA
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Other (Rural) `[02]`
Length of largest span:	50.9 ft. `[15.5 m]`
Total length:	102.7 ft. `[31.3 m]`
Roadway width between curbs:	38.4 ft. `[11.7 m]`
Deck width edge-to-edge:	40.4 ft. `[12.3 m]`
Owner:	State Highway Agency `[01]`
Year built:	1965
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	2
Main spans material:	Prestressed concrete `[5]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	1,637 `[as of 2016]`
Truck traffic:	44% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Very Good `[8 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 desirable criteria `[8]`
Channel protection:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. `[6]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. `[5]`
Sufficiency rating:	80.0

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
September 2017	Good	Good	Very Good	Good	1637	80.0
September 2015	Good	Good	Very Good	Good	1310	82.7
September 2013	Good	Good	Very Good	Good	1310	82.8
September 2011	Good	Good	Very Good	Good	1310	82.8
September 2009	Good	Good	Very Good	Good	1520	80.8
January 2008	Good	Good	Very Good	Good	2550	79.0
October 2005	Good	Very Good	Very Good	Good	2550	79.0
November 2001	Good	Very Good	Very Good	Good	1060	83.1
February 1998	Good	Very Good	Very Good	Good	1130	82.5
June 1994	Good	Very Good	Very Good	Very Good	863	86.6
January 1992	Good	Very Good	Very Good	Very Good	803	87.0

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.	499	499	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	4,155	4,155	0	0	0
Wearing Surfaces	sq. ft.	4,155	4,113	0	0	42
Substructure
Reinforced Concrete Column	each	2	0	2	0	0
Reinforced Concrete Abutment	linear ft.	98	98	0	0	0
Reinforced Concrete Pier Cap	linear ft.	39	19	20	0	0
Bearings
Fixed Bearing	each	10	6	4	0	0
Steel Protective Coating	sq. ft.	10	6	4	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	207	41	166	0	0
Steel Protective Coating	sq. ft.	518	104	414	0	0

© 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/1318082