+42.00833, -93.56944
42°00'30" N, 93°34'10" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:PARKER AVE over US 30
Structure number:000000000601900
Location:1.4 MI. W OF JCT. IA. #14
Purpose:Carries highway over highway
Route classification:Local (Urban) [19]
Length of largest span:96.1 ft. [29.3 m]
Total length:268.1 ft. [81.7 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:35.1 ft. [10.7 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1996
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:4
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: September 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:140 [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:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:84.3 tons [76.6 metric tons]
Inventory rating:39.7 tons [36.1 metric tons]
Sufficiency rating:99.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201599.0GoodVery GoodVery GoodVery Good-140
September 201398.9GoodVery GoodExcellentExcellent-140
September 201199.0GoodVery GoodExcellentExcellent-40
October 200999.9GoodExcellentExcellentExcellent-40
October 2007100.0GoodExcellentExcellentExcellent-40
July 2005100.0GoodExcellentExcellentExcellent-40
November 2003100.0GoodExcellentExcellentExcellent-40
November 2001100.0GoodExcellentExcellentExcellent-40
December 1999100.0GoodExcellentExcellentExcellent-40
November 1997100.0GoodExcellentExcellentExcellent-40
July 199696.0GoodExcellentExcellentExcellent-40

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Girder/Beamlinear ft.1,3201,320000
Reinforced Concrete Decksq. ft.9,4079,407000
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.7171000
Reinforced Concrete Pier Caplinear ft.102102000
Elastomeric Bearingeach2020000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.536536000