Share:

TWO MILE BRIDGE RD over ROCK CREEK 024

Carbon County, Montana

Map

Coordinates:
+45.21400, -109.24096
45°12'50" N, 109°14'27" W

Facts

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

Name:	TWO MILE BRIDGE RD over ROCK CREEK 024
Structure number:	L05103000+02001
Location:	2M N RED LODGE
Purpose:	Carries highway over waterway
Route classification:	Minor Collector (Rural) `[08]`
Length of largest span:	87.9 ft. `[26.8 m]`
Total length:	90.9 ft. `[27.7 m]`
Roadway width between curbs:	17.7 ft. `[5.4 m]`
Deck width edge-to-edge:	19.4 ft. `[5.9 m]`
Owner:	County Highway Agency `[02]`
Year built:	1982
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Main span material:	Prestressed concrete `[5]`
Main span design:	Tee beam `[04]`
Deck type:	Not applicable `[N]`

Latest Available Inspection: May 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:	Good `[7 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Better than present minimum criteria `[7]`
Deck geometry appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
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:	88.9
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$158,000

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
May 2018	Fair	Satisfactory	Good	Good	100	88.9
May 2016	Fair	Satisfactory	Good	Good	100	88.9
May 2014	Fair	Satisfactory	Good	Good	100	89.9
May 2012	Fair	Satisfactory	Good	Good	100	90.9
May 2010	Fair	Satisfactory	Good	Good	100	73.0
January 2010	Fair	Satisfactory	Good	Good	100	73.0
January 2008	Fair	Fair	Good	Good	100	69.9
December 2005	Fair	Satisfactory	Satisfactory	Good	100	71.0
November 2003	Fair	Good	Satisfactory	Good	100	71.0
February 2002	Fair	Good	Satisfactory	Good	100	71.9
June 1998	Fair	Good	Satisfactory	Good	100	71.9
January 1996	Good	Good	Good	Very Good	96	64.3
February 1994	Good	Good	Good	Very Good	96	68.0
January 1992	Good	Good	Good	Very Good	96	68.0
December 1989	Good	Good	Good	Very Good	96	68.0

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.	272	269	3	0	0
Deck
Prestressed Concrete Top Flange	sq. ft.	1,765	1,183	441	141	0
Substructure
Reinforced Concrete Abutment	linear ft.	59	58	1	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	180	150	25	5	0
Steel Protective Coating	sq. ft.	360	0	342	18	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/1315721