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IRRSR COUNTY HIWAY over PORCUPINE CREEK

Map

Coordinates:
+46.20333, -101.02167
46°12'12" N, 101°01'18" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IRRSR COUNTY HIWAY over PORCUPINE CREEK
Structure number:000000043147150
Location:4.2 MI W JCT ND 6
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:30.8 ft. [9.4 m]
Total length:94.2 ft. [28.7 m]
Roadway width between curbs:30.5 ft. [9.3 m]
Deck width edge-to-edge:32.2 ft. [9.8 m]
Owner:Bureau of Indian Affairs [62]
Year built:1969
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:3
Main spans material:Concrete [1]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: November 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:150 [as of 2017]
Truck traffic:8% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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:Scour calculation/evaluation has not been made. [6]
Operating rating:49.5 tons [45.0 metric tons]
Inventory rating:37.6 tons [34.2 metric tons]
Sufficiency rating:94.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201694.0FairGoodSatisfactoryVery Good-150
April 201494.0FairGoodSatisfactoryVery Good-150
March 199594.0FairGoodSatisfactoryVery Good-150