Share:

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]

Latest Available Inspection: April 2015 

Status:Open, no restriction [A]
Average daily traffic:6,800 [as of 1990]
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:106.9 tons [97.2 metric tons]
Inventory rating:106.9 tons [97.2 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:78.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$27,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201578.8Functionally obsoleteGoodGoodSatisfactory6800
March 201478.8Functionally obsoleteGoodGoodGood6800
March 201271.1Functionally obsoleteGoodVery GoodGood6800
May 201071.1Functionally obsoleteGoodVery GoodGood6800
April 200971.1Functionally obsoleteGoodVery GoodGood6800
April 200871.1Functionally obsoleteGoodVery GoodGood6800
June 200771.1Functionally obsoleteGoodVery GoodGood6800
May 200671.1Functionally obsoleteGoodVery GoodGood6800
February 200571.1Functionally obsoleteGoodVery GoodGood6800
October 200271.1Functionally obsoleteGoodVery GoodGood6800
October 200171.1Functionally obsoleteGoodVery GoodGood6800
February 200070.1Not deficientGoodVery GoodGood6800
November 199870.1Not deficientGoodVery GoodVery Good6800
November 199570.1Not deficientGoodVery GoodVery Good6800
October 199370.0Not deficientGoodVery GoodVery Good6800
December 199270.0Not deficientGoodVery GoodVery Good6800
November 199170.0Not deficientVery GoodVery GoodVery Good6800
October 199041.9Functionally obsoleteFairFairSatisfactory6800