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SB IA 14 over IOWA RIVER

Map

Coordinates:
+42.06690, -92.90829
42°04'01" N, 92°54'30" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SB IA 14 over IOWA RIVER
Structure number:000000000035431
Location:0.8 mi. S of SR E27
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:147.0 ft. [44.8 m]
Total length:478.0 ft. [145.7 m]
Roadway width between curbs:31.8 ft. [9.7 m]
Deck width edge-to-edge:35.1 ft. [10.7 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1987
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: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: October 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:3,050 [as of 2015]
Truck traffic:6% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:97.7

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017GoodGoodGoodVery Good305097.7
October 2015GoodGoodGoodVery Good295097.7
November 2013GoodGoodVery GoodVery Good315097.7
November 2011GoodVery GoodVery GoodVery Good310097.7
November 2009GoodVery GoodVery GoodVery Good315097.7
October 2007GoodVery GoodVery GoodVery Good320097.7
September 2005GoodVery GoodVery GoodVery Good345097.7
June 2003GoodVery GoodVery GoodVery Good330097.7
August 2001GoodVery GoodVery GoodVery Good315097.7
June 1999GoodGoodVery GoodVery Good340095.8
July 1997GoodGoodVery GoodVery Good335095.8
February 1995GoodGoodVery GoodVery Good325094.2
December 1993GoodGoodGoodGood340095.0
December 1991GoodGoodGoodGood330095.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,8901,890000
Steel Protective Coatingsq. ft.28,45228,452000
Deck
Reinforced Concrete Decksq. ft.16,82616,45337030
Substructure
Reinforced Concrete Pier Walllinear ft.5454000
Reinforced Concrete Abutmentlinear ft.7777000
Reinforced Concrete Pier Caplinear ft.105105000
Joints
Strip Seal Jointlinear ft.7006820
Bearings
Movable Bearingeach1614200
Fixed Bearingeach43010
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.9569312500