Share:

FOUR MILE ROAD over FLAT CK

Map

Coordinates:
+45.88682, -102.30097
45°53'13" N, 102°18'04" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:FOUR MILE ROAD over FLAT CK
Structure number:000000053320043
Location:3E 3.5S WHITE BUTTE
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:28.9 ft. [8.8 m]
Total length:29.9 ft. [9.1 m]
Roadway width between curbs:23.0 ft. [7.0 m]
Deck width edge-to-edge:23.0 ft. [7.0 m]
Owner:County Highway Agency [02]
Year built:1977
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Prestressed concrete [5]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Precast Panels [2]
Wearing surface:Gravel [8]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:60 [as of 2015]
Truck traffic:2% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Better than present minimum criteria [7]
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 with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:76.7

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairSatisfactoryGoodFair6076.7
May 2015PoorSatisfactoryPoorFair6060.7
June 2013PoorSatisfactoryPoorFair6060.7
May 2011PoorSatisfactoryPoorFair6060.7
July 2009PoorSatisfactoryPoorFair6060.7
October 2007FairSatisfactoryFairFair6076.7
October 2005FairSatisfactoryFairFair6076.7
August 2003PoorSatisfactoryFairCritical6038.9
November 2001PoorSatisfactoryFairCritical6038.9
August 1999PoorSatisfactoryFairCritical6038.9
August 1997FairGoodSatisfactoryFair6076.7
May 1995FairGoodSatisfactoryGood6087.5
June 1993FairGoodSatisfactoryGood6087.5
May 1991FairGoodSatisfactoryGood6087.5