+42.11667, -93.52222
42°07'00" N, 93°31'20" W


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 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,950 [as of 2014]
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]
Operating rating:93.0 tons [84.5 metric tons]
Inventory rating:55.7 tons [50.6 metric tons]
Sufficiency rating:97.7

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201597.7GoodGoodGoodVery Good-2950
November 201397.7GoodGoodVery GoodVery Good-3150
November 201197.7GoodVery GoodVery GoodVery Good-3100
November 200997.7GoodVery GoodVery GoodVery Good-3150
October 200797.7GoodVery GoodVery GoodVery Good-3200
September 200597.7GoodVery GoodVery GoodVery Good-3450
June 200397.7GoodVery GoodVery GoodVery Good-3300
August 200197.7GoodVery GoodVery GoodVery Good-3150
June 199995.8GoodGoodVery GoodVery Good-3400
July 199795.8GoodGoodVery GoodVery Good-3350
February 199594.2GoodGoodVery GoodVery Good-3250
December 199395.0GoodGoodGoodGood-3400
December 199195.0GoodGoodGoodGood-3300

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.1,8901,890000
Steel Protective Coatingsq. ft.28,45228,452000
Reinforced Concrete Decksq. ft.16,82616,72110500
Reinforced Concrete Pier Walllinear ft.5454000
Reinforced Concrete Abutmentlinear ft.7777000
Reinforced Concrete Pier Caplinear ft.105105000
Strip Seal Jointlinear ft.7007000
Movable Bearingeach1616000
Fixed Bearingeach43010
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.9569312500