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1-LANE ROAD over MAIN FORK ROCK CREEK

Carbon County, Montana

Map

Coordinates:
+45.08584, -109.35058
45°05'09" N, 109°21'02" W

Facts

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

Name:	1-LANE ROAD over MAIN FORK ROCK CREEK
Structure number:	010802000000192
Location:	NO DATA ENTERED
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	31.2 ft. `[9.5 m]`
Total length:	32.8 ft. `[10.0 m]`
Roadway width between curbs:	14.1 ft. `[4.3 m]`
Deck width edge-to-edge:	15.4 ft. `[4.7 m]`
Owner:	U.S. Forest Service `[64]`
Year built:	1952
Historic significance:	Historical significance is not determinable at this time `[4]`
Design load:	MS 18 / HS 20 `[5]`
Main span material:	Wood or timber `[7]`
Main span design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Wood or Timber `[8]`
Wearing surface:	Other `[9]`

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:	Poor
Status:	Open, no restriction `[A]`
Average daily traffic:	50
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Poor `[4 out of 9]`
Structural appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Deck geometry appraisal:	Equal to present minimum criteria `[6]`
Water adequacy appraisal:	Better than present minimum criteria `[7]`
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 conditions; field review indicates action is required. `[4]`
Sufficiency rating:	47.1

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2018	Poor	Good	Good	Poor	50	47.1
September 2016	Poor	Good	Good	Poor	50	47.1
August 2014	Fair	Good	Good	Fair	50	62.8
August 2012	Fair	Good	Good	Satisfactory	50	73.5
August 2010	Fair	Good	Good	Fair	50	63.5
August 2008	Fair	Good	Good	Fair	50	63.5
October 2004	Fair	Very Good	Very Good	Fair	50	74.0
October 2002	Fair	Very Good	Very Good	Fair	50	75.0
June 2000	Poor	Very Good	Very Good	Poor	50	60.0

© 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/1314204