N91 over STREAM


+41.70952, -97.44615
41°42'34" N, 97°26'46" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:N91 over STREAM
Structure number:S091 15478
Location:2E HUMPHREY
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:12.1 ft. [3.7 m]
Total length:49.9 ft. [15.2 m]
Skew angle:40°
Owner:State Highway Agency [01]
Year built:1955
Year reconstructed:2016
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:4
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:1,545 [as of 2012]
Truck traffic:18% of total traffic
Structural appraisal:Superior to present desirable criteria [9]
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 deficiencies [9]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:45.9 tons [41.7 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:97.7
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
October 201697.7Good9 out of 10-1545
June 201542.3PoorN out of 10SD1545
June 201342.3PoorN out of 10SD1545
June 201147.5PoorN out of 10SD1195
March 201061.6PoorN out of 10SD1305
July 200759.4FairN out of 10-1190
July 200559.4FairN out of 10-1170
April 200360.5FairN out of 10-1055
June 200159.5FairN out of 10-1055
March 199960.4FairN out of 10-1265
March 199759.4FairN out of 10-1255
April 199558.8FairN out of 10-1190
April 199358.8FairN out of 10-1200
February 199158.8FairN out of 10-1150

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Timber Abutmentlinear ft.2424000
Timber Pileeach52321640
Reinforced Concrete Pier Caplinear ft.4747000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.4536090
Reinforced Concrete Slabsq. ft.2061327040