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310TH ST over LITTLE ELKHORN CR

Map

Coordinates:
+42.06944, -91.64167
42°04'10" N, 91°38'30" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:310TH ST over LITTLE ELKHORN CR
Structure number:000000000101561
Location:079012001
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:28.9 ft. [8.8 m]
Total length:78.1 ft. [23.8 m]
Roadway width between curbs:30.5 ft. [9.3 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Skew angle:15°
Owner:County Highway Agency [02]
Year built:2000
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: May 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:60 [as of 2010]
Truck traffic:33% 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:Better than present minimum criteria [7]
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 the assessed or calculated scour condition. [8]
Operating rating:94.9 tons [86.3 metric tons]
Inventory rating:57.0 tons [51.8 metric tons]
Sufficiency rating:100.0
Recommended work:Other structural work, including hydraulic replacements. [38]

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 2015100.0GoodVery GoodVery GoodVery Good-60
May 2013100.0GoodVery GoodVery GoodVery Good-60
June 2011100.0GoodExcellentExcellentExcellent-60
May 2009100.0GoodVery GoodExcellentExcellent-35
May 2007100.0GoodVery GoodExcellentExcellent-35
May 2005100.0GoodExcellentExcellentExcellent-35
July 2003100.0GoodExcellentExcellentExcellent-35
June 2001100.0GoodExcellentExcellentExcellent-25
June 199997.0GoodExcellentExcellentExcellent-25