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SB I-29 over ST MARYS CREEK

Map

Coordinates:
+41.13670, -95.82091
41°08'12" N, 95°49'15" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SB I-29 over ST MARYS CREEK
Structure number:000000000036381
Location:0.9 mi. S of Jct. IA 370
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:46.9 ft. [14.3 m]
Total length:123.0 ft. [37.5 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.3 ft. [13.2 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:2009
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: December 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:11,950 [as of 2015]
Truck traffic:20% 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 the assessed or calculated scour condition. [8]
Sufficiency rating:96.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2017GoodVery GoodVery GoodVery Good1195096.9
December 2015GoodVery GoodVery GoodVery Good1150098.0
December 2013GoodVery GoodVery GoodVery Good1090098.0
December 2011GoodVery GoodVery GoodVery Good1090098.0
December 2009GoodExcellentExcellentExcellent1020098.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Reinforced Concrete Abutmentlinear ft.9999000
Steel Pileeach2020000
Reinforced Concrete Pier Caplinear ft.9898000
Joints
Pourable Jointlinear ft.9309300
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2461866000
Deck
Reinforced Concrete Slabsq. ft.5,3145,314000