N23 over STREAM


+40.45472, -99.44563
40°27'17" N, 99°26'44" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:N23 over STREAM
Structure number:S023 15669
Location:4E LOOMIS
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:9.8 ft. [3.0 m]
Total length:22.0 ft. [6.7 m]
Owner:State Highway Agency [01]
Year built:1948
Year reconstructed:1981
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: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:2,585 [as of 2016]
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:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
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:80.5

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
April 2017Good7 out of 10258580.5
April 2015Good7 out of 10216581.0
May 2013Good7 out of 10216581.0
April 2013Good7 out of 10216584.4
May 2011Good7 out of 10279087.0
May 2009Good7 out of 10267587.0
May 2007Good7 out of 10247599.7
December 2004Good7 out of 10198099.7
December 2003Good7 out of 10216599.7
May 2001Good7 out of 10211099.7
December 1999Good7 out of 10204599.7
December 1997Good7 out of 10234099.7
November 1995Good7 out of 10218597.7
November 1993Good7 out of 10199097.7
December 1991Good7 out of 10172597.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.100100000