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WEST FORK ROAD over WEST FORK CHANNEL

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

Facts 

Name:WEST FORK ROAD over WEST FORK CHANNEL
Structure number:3137147
Location:2ND W OF MONTANA
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Local (Urban) [19]
Length of largest span:80.1 ft. [24.4 m]
Total length:81.0 ft. [24.7 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:38.7 ft. [11.8 m]
Owner:County Highway Agency [02]
Year built:1999
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Prestressed concrete [5]
Main span 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: May 2016 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,500 [as of 1998]
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:71.9 tons [65.4 metric tons]
Sufficiency rating:88.4

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201688.4GoodVery GoodVery GoodVery Good-2500
April 201588.4GoodVery GoodVery GoodVery Good-2500
March 201488.4GoodVery GoodVery GoodVery Good-2500
March 201288.4GoodVery GoodVery GoodVery Good-2500
May 201088.4FairSatisfactoryVery GoodExcellent-2500
April 200988.4FairSatisfactoryVery GoodExcellent-2500
April 200888.4FairSatisfactoryExcellentExcellent-2500
May 200788.4FairSatisfactoryExcellentExcellent-2500
May 200688.4FairSatisfactoryExcellentExcellent-2500
February 200588.4FairSatisfactoryExcellentExcellent-2500
October 200288.4GoodExcellentExcellentExcellent-2500
October 200188.4GoodExcellentExcellentExcellent-2500
February 200086.4GoodExcellentExcellentExcellent-2500