+42.82575, -98.47321
42°49'33" N, 98°28'24" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:N12 over PONCA CREEK
Structure number:S012 13604
Location:WCL LYNCH
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:89.9 ft. [27.4 m]
Total length:191.9 ft. [58.5 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:38.4 ft. [11.7 m]
Skew angle:20°
Owner:State Highway Agency [01]
Year built:1955
Year reconstructed:1992
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:3
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:735 [as of 2016]
Truck traffic:10% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Better than present minimum criteria [7]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:93.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017GoodVery GoodVery GoodVery Good73593.3
March 2015GoodVery GoodVery GoodVery Good59594.2
March 2013GoodVery GoodVery GoodVery Good59599.6
March 2011GoodVery GoodExcellentVery Good66099.6
March 2009GoodVery GoodExcellentVery Good66099.6
March 2007GoodVery GoodExcellentVery Good57599.7
March 2005GoodExcellentExcellentVery Good59099.6
July 2003GoodExcellentExcellentVery Good62099.6
February 2001GoodExcellentExcellentVery Good65599.6
June 1999GoodExcellentExcellentVery Good74599.5
June 1997GoodExcellentExcellentVery Good69099.6
July 1995GoodExcellentExcellentExcellent67595.6
June 1993GoodExcellentExcellentExcellent67595.6
July 1991FairSatisfactoryGoodFair55064.4

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,1461,146000
Steel Protective Coatingsq. ft.10,31410,314000
Reinforced Concrete Decksq. ft.7,3387,3083000
Reinforced Concrete Columneach44000
Reinforced Concrete Pier Walllinear ft.2626000
Steel Abutmentlinear ft.6664200
Steel Protective Coatingsq. ft.9997002
Steel Pileeach2419230
Reinforced Concrete Pier Caplinear ft.220219100
Elastomeric Bearingeach2424000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3833226100