SD251 over PONCA CK


+43.18872, -99.43516
43°11'19" N, 99°26'07" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SD251 over PONCA CK
Structure number:000000027050216
Location:2.6 S JST US 18
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:20.3 ft. [6.2 m]
Total length:60.4 ft. [18.4 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:34.8 ft. [10.6 m]
Owner:State Highway Agency [01]
Year built:1984
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: November 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:469 [as of 2017]
Truck traffic:7% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry 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: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]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:100.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2017GoodGoodGoodGood469100.0
August 2014GoodGoodGoodGood436100.0
August 2010GoodGoodGoodGood405100.0
November 2008GoodGoodGoodGood430100.0
June 2006GoodGoodGoodGood495100.0
April 2002GoodGoodGoodGood178100.0
September 1998GoodGoodGoodGood187100.0
August 1994GoodGoodGoodGood118100.0
August 1992GoodGoodGoodGood465100.0
September 1990GoodGoodGoodVery Good350100.0