N61 over STREAM


+40.59396, -101.62980
40°35'38" N, 101°37'47" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:N61 over STREAM
Structure number:S061 04623
Location:6N IMPERIAL
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:9.8 ft. [3.0 m]
Total length:33.1 ft. [10.1 m]
Owner:State Highway Agency [01]
Year built:1950
Year reconstructed:2001
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: April 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:1,575 [as of 2016]
Truck traffic:15% 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:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:77.1

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
April 2018Good7 out of 10157577.1
April 2016Good7 out of 10124078.8
April 2014Good7 out of 10124078.8
April 2012Good7 out of 10161586.5
April 2010Good7 out of 10175586.4
April 2008Good7 out of 10175586.4
April 2006Good7 out of 10165099.2
October 2004Good7 out of 10158599.2
April 2002Good7 out of 10153099.2
October 2000Good7 out of 10145599.2
October 1998Good7 out of 10145599.2
November 1996Good7 out of 10137097.3
November 1994Good7 out of 10128097.3
September 1992Good7 out of 10117082.8
December 1990Good7 out of 10117082.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.108931500