T47 (Q AVE) over US 20


+42.46306, -92.71049
42°27'47" N, 92°42'38" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:T47 (Q AVE) over US 20
Structure number:000000000607325
Location:3.0 MILES E OF JCT IA 14
Purpose:Carries highway over highway
Route classification:Minor Collector (Rural) [08]
Length of largest span:116.1 ft. [35.4 m]
Total length:234.9 ft. [71.6 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1999
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:Prestressed concrete [5]
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: July 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:80 [as of 2013]
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]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:98.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2016GoodVery GoodVery GoodVery Good8098.0
July 2014GoodVery GoodVery GoodVery Good8098.0
July 2012GoodVery GoodVery GoodVery Good9098.0
July 2010GoodVery GoodVery GoodVery Good9098.0
July 2008GoodVery GoodVery GoodVery Good9098.0
July 2006GoodVery GoodVery GoodVery Good9096.0
July 2004GoodExcellentExcellentExcellent9096.0
January 2002GoodExcellentExcellentExcellent90100.0
July 2001GoodExcellentExcellentExcellent10097.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.1,1341,134000
Reinforced Concrete Decksq. ft.7,4977,4732400
Reinforced Concrete Columneach22000
Reinforced Concrete Abutmentlinear ft.6868000
Reinforced Concrete Pier Caplinear ft.6161000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4594491000