N4 over STREAM


+40.29162, -98.76774
40°17'30" N, 98°46'04" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:N4 over STREAM
Structure number:S004 04660
Location:2W CAMPBELL
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:9.8 ft. [3.0 m]
Total length:24.0 ft. [7.3 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1964
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:715 [as of 2016]
Truck traffic:10% 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: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]
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:82.3

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
April 2017Good7 out of 1071582.3
April 2015Good7 out of 1058082.6
April 2013Good7 out of 1058082.6
April 2011Good7 out of 1054587.3
April 2009Good7 out of 1061087.3
May 2007Good7 out of 1056599.8
May 2005Good7 out of 1060099.8
October 2003Good7 out of 1070096.8
April 2001Good7 out of 1076596.8
November 1999Good7 out of 1062096.8
November 1997Good7 out of 1058596.8
December 1995Good7 out of 1056094.8
November 1993Good8 out of 1047084.7
December 1991Good8 out of 1045091.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.1521401200