Share:

IA 38 over CROOKED CREEK

Map

Coordinates:
+42.08333, -91.20556
42°04'60" N, 91°12'20" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IA 38 over CROOKED CREEK
Structure number:000000000018340
Location:0.4 mi. N of N Jct I-80
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:60.0 ft. [18.3 m]
Total length:142.1 ft. [43.3 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:36.1 ft. [11.0 m]
Owner:State Highway Agency [01]
Year built:1959
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:Low slump Concrete [4]

Latest Available Inspection: June 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,280 [as of 2014]
Truck traffic:17% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:58.0 tons [52.7 metric tons]
Inventory rating:36.6 tons [33.3 metric tons]
Sufficiency rating:77.8

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201577.8FairSatisfactorySatisfactoryGood-3280
June 201377.9FairSatisfactorySatisfactoryGood-3240
June 201177.9FairSatisfactorySatisfactoryGood-3200
June 200985.7FairSatisfactorySatisfactoryGood-2420
June 200785.7FairSatisfactorySatisfactoryGood-2450
November 200585.7GoodGoodGoodGood-2470
October 200385.8GoodGoodGoodGood-2380
July 199986.0FairSatisfactoryGoodGood-2230
June 199784.0FairSatisfactoryGoodGood-2210
October 199584.1FairSatisfactoryGoodGood-2010
August 199384.2GoodGoodGoodGood-2070
December 199185.5GoodGoodGoodGood-1940

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.1,1111,05836170
Deck
Reinforced Concrete Decksq. ft.5,1125,0159700
Wearing Surfacessq. ft.4,2604,1669400
Substructure
Reinforced Concrete Columneach44000
Reinforced Concrete Abutmentlinear ft.77502700
Reinforced Concrete Pier Caplinear ft.66481800
Joints
Pourable Jointlinear ft.6000600
Bearings
Movable Bearingeach1616000
Fixed Bearingeach3232000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.284284000