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IA 330 NB over NORTH TIMBER CREEK

Map

Coordinates:
+41.98089, -93.05973
41°58'51" N, 93°03'35" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IA 330 NB over NORTH TIMBER CREEK
Structure number:000000000608730
Location:2.7 MILES S OF JCT US 30
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:48.9 ft. [14.9 m]
Total length:131.9 ft. [40.2 m]
Roadway width between curbs:3.9 ft. [1.2 m]
Deck width edge-to-edge:4.3 ft. [1.3 m]
Skew angle:45°
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:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: February 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:3,900 [as of 2017]
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:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:94.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2018GoodGoodGoodVery Good390094.6
February 2016GoodVery GoodVery GoodVery Good360094.6
February 2014GoodVery GoodVery GoodVery Good340094.7
February 2012GoodVery GoodVery GoodVery Good335094.7
February 2010GoodVery GoodVery GoodVery Good275094.7
February 2008GoodExcellentExcellentExcellent280094.7
February 2006GoodExcellentExcellentExcellent380099.6
May 2003GoodExcellentExcellentExcellent3650100.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Reinforced Concrete Abutmentlinear ft.118118000
Steel Pileeach2222000
Reinforced Concrete Pier Caplinear ft.118118000
Joints
Pourable Jointlinear ft.112112000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.265265000
Deck
Reinforced Concrete Slabsq. ft.5,6235,623000