WEST FORK ROAD over WEST FORK CREEK

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

Facts

Name:	WEST FORK ROAD over WEST FORK CREEK
Structure number:	3137090
Location:	AT INT OF W FORK&MONTANA
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Minor Arterial (Urban) `[16]`
Length of largest span:	38.1 ft. `[11.6 m]`
Total length:	79.1 ft. `[24.1 m]`
Roadway width between curbs:	29.9 ft. `[9.1 m]`
Deck width edge-to-edge:	44.0 ft. `[13.4 m]`
Skew angle:	24°
Owner:	County Highway Agency `[02]`
Year built:	1928
Year reconstructed:	1991
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18+Mod / HS 20+Mod `[6]`
Number of main spans:	2
Main spans material:	Prestressed concrete `[5]`
Main spans design:	Box beam or girders - Multiple `[05]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Integral Concrete (separate non-modified layer of concrete added to structural deck) `[2]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	7,651 `[as of 2015]`
Truck traffic:	3% of total traffic
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:	Basically intolerable requiring high priority of corrrective action `[3]`
Water adequacy appraisal:	Superior to present desirable criteria `[9]`
Roadway alignment appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
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 the assessed or calculated scour condition. `[8]`
Operating rating:	96.6 tons `[87.8 metric tons]`
Inventory rating:	57.8 tons `[52.5 metric tons]`
Sufficiency rating:	78.6
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$27,000

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
May 2016	78.6	Fair	Good	Good	Satisfactory	FO	7651
April 2015	78.8	Fair	Good	Good	Satisfactory	FO	6800
March 2014	78.8	Good	Good	Good	Good	FO	6800
March 2012	71.1	Good	Good	Very Good	Good	FO	6800
May 2010	71.1	Good	Good	Very Good	Good	FO	6800
April 2009	71.1	Good	Good	Very Good	Good	FO	6800
April 2008	71.1	Good	Good	Very Good	Good	FO	6800
June 2007	71.1	Good	Good	Very Good	Good	FO	6800
May 2006	71.1	Good	Good	Very Good	Good	FO	6800
February 2005	71.1	Good	Good	Very Good	Good	FO	6800
October 2002	71.1	Good	Good	Very Good	Good	FO	6800
October 2001	71.1	Good	Good	Very Good	Good	FO	6800
February 2000	70.1	Good	Good	Very Good	Good	-	6800
November 1998	70.1	Good	Good	Very Good	Very Good	-	6800
November 1995	70.1	Good	Good	Very Good	Very Good	-	6800
October 1993	70.0	Good	Good	Very Good	Very Good	-	6800
December 1992	70.0	Good	Good	Very Good	Very Good	-	6800
November 1991	70.0	Good	Very Good	Very Good	Very Good	-	6800
October 1990	41.9	Fair	Fair	Fair	Satisfactory	FO	6800