+45.82864, -102.17682
45°49'43" N, 102°10'37" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SD073 over EAST FLAT CK
Structure number:000000053380083
Location:7.3 S JCT US 12
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:11.2 ft. [3.4 m]
Total length:34.1 ft. [10.4 m]
Owner:State Highway Agency [01]
Year built:2018
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:688 [as of 2017]
Truck traffic:14% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Superior to present desirable criteria [9]
Channel protection:There are no noticeable or noteworthy deficiencies which affect the condition of the channel. [9]
Pier/abutment protection:Navigation protection not required [1]
Culvert condition:No noticeable or noteworthy deficiencies which affect the condition of the culvert. Insignificant scrape marks caused by drift. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:89.5

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
October 2018Good8 out of 1068889.5
July 2017Good7 out of 1068890.8
July 2013Good7 out of 1078590.2
July 2009Good7 out of 1053591.9
July 2005Good7 out of 1061591.3
October 2001Good7 out of 1062191.3
November 1997Good7 out of 1068188.9
July 1994Good7 out of 1084587.9
July 1992Good7 out of 1055089.9
November 1990Good7 out of 1097087.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.252248400