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IA 330 NB over NORTH TIMBER CREEK

Map

Coordinates:
+42.63611, -93.10000
42°38'10" N, 93°05'60" 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 mi. 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:39.4 ft. [12.0 m]
Deck width edge-to-edge:42.7 ft. [13.0 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 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:3,600 [as of 2014]
Truck traffic:12% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 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]
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]
Operating rating:99.6 tons [90.5 metric tons]
Inventory rating:66.6 tons [60.5 metric tons]
Sufficiency rating:94.6

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201694.6GoodVery GoodVery GoodVery Good-3600
February 201494.7GoodVery GoodVery GoodVery Good-3400
February 201294.7GoodVery GoodVery GoodVery Good-3350
February 201094.7GoodVery GoodVery GoodVery Good-2750
February 200894.7GoodExcellentExcellentExcellent-2800
February 200699.6GoodExcellentExcellentExcellent-3800
May 2003100.0GoodExcellentExcellentExcellent-3650

Element Data

Source: National Bridge Elements dataset, 2016 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