IS 29 S over BLAIR CR


+40.09127, -95.21286
40°05'29" N, 95°12'46" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 29 S over BLAIR CR
Structure number:1467
Old structure number:A1769 4 (from 1992 edition)
Location:S 17 T 61 N R 38 W
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:9.8 ft. [3.0 m]
Total length:21.0 ft. [6.4 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1972
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 continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: January 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:15,008 [as of 2016]
Truck traffic:34% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:82.2

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
January 2018Fair6 out of 101500882.2
January 2016Fair6 out of 101445882.2
January 2014Fair6 out of 101362782.2
February 2012Fair6 out of 101070482.4
February 2010Fair6 out of 101316482.3
January 2009Fair6 out of 101292782.3
January 2007Fair6 out of 101300682.3
October 2004Good7 out of 101280982.3
October 2002Good7 out of 101200882.3
January 2001Good7 out of 101166181.7
November 1998Good7 out of 101137681.7
December 1996Good7 out of 101091081.8
October 1994Good7 out of 101073982.0
October 1992Good7 out of 101045782.0
January 1991Good8 out of 101003582.1

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.4263864000