N9/N35 over STREAM


+42.29319, -96.85215
42°17'35" N, 96°51'08" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:N9/N35 over STREAM
Structure number:S009 03691
Location:7NW EMERSON
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:9.8 ft. [3.0 m]
Total length:30.8 ft. [9.4 m]
Owner:State Highway Agency [01]
Year built:1957
Year reconstructed:1993
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: September 2016 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,630 [as of 2012]
Truck traffic:9% of total traffic
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
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]
Operating rating:36.0 tons [32.7 metric tons]
Inventory rating:24.0 tons [21.8 metric tons]
Sufficiency rating:80.8

Previous Inspections 

DateSuff. RatingConditionCulvert ConditionSD/FOADT
September 201680.8Good8 out of 10-2630
September 201480.8Good8 out of 10-2630
September 201286.7Good8 out of 10-2585
September 201086.7Good8 out of 10-2700
September 200886.7Good8 out of 10-2700
September 200699.4Good8 out of 10-2520
March 200499.4Good8 out of 10-2525
August 200299.3Good8 out of 10-2845
March 200099.5Good8 out of 10-2230
April 199899.5Good8 out of 10-2230
April 199697.5Good8 out of 10-2130
March 199497.6Good8 out of 10-1890
May 199397.6Good9 out of 10-1890
March 199291.6Good7 out of 10-2010
February 199091.6Good7 out of 10-2010