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U.S. 30 WB over IA 146

Map

Coordinates:
+42.02222, -93.31389
42°01'20" N, 93°18'50" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:U.S. 30 WB over IA 146
Structure number:000000000608250
Location:AT JUNCTION WITH IA 146
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:107.0 ft. [32.6 m]
Total length:203.1 ft. [61.9 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.3 ft. [13.2 m]
Vertical clearance below bridge:18.4 ft. [5.6 m]
Owner:State Highway Agency [01]
Year built:2002
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: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: February 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:3,800 [as of 2015]
Truck traffic:13% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Excellent [9 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:91.2 tons [82.9 metric tons]
Inventory rating:42.7 tons [38.8 metric tons]
Sufficiency rating:95.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201795.0GoodVery GoodExcellentVery Good-3800
February 201595.0GoodVery GoodVery GoodVery Good-3600
February 201395.0GoodExcellentExcellentExcellent-3850
February 2011100.0GoodExcellentExcellentExcellent-3850
February 2009100.0GoodExcellentExcellentExcellent-3300
January 2007100.0GoodExcellentExcellentExcellent-3350
February 200596.0GoodExcellentExcellentExcellent--

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.1,2001,200000
Deck
Reinforced Concrete Decksq. ft.8,7658,765000
Substructure
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.8787000
Reinforced Concrete Pier Caplinear ft.8585000
Joints
Pourable Jointlinear ft.8108100
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.406406000