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CSAH 21 over LITTLE ROCK CREEK

Map

Coordinates:
+44.39463, -94.62099
44°23'41" N, 94°37'16" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CSAH 21 over LITTLE ROCK CREEK
Structure number:52511
Location:6.1 MI SE OF JCT TH 4
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:78.4 ft. [23.9 m]
Total length:83.3 ft. [25.4 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:38.1 ft. [11.6 m]
Skew angle:30°
Owner:County Highway Agency [02]
Year built:1997
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Main span material:Wood or timber [7]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:916 [as of 2008]
Deck condition:Good [7 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:99.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2017GoodGoodVery GoodVery Good91699.8
November 2015GoodVery GoodVery GoodVery Good91697.8
November 2013GoodVery GoodVery GoodVery Good91697.8
November 2011GoodVery GoodVery GoodVery Good91697.8
October 2009GoodVery GoodVery GoodVery Good91697.8
November 2007GoodVery GoodVery GoodVery Good60099.9
November 2006GoodVery GoodVery GoodVery Good60099.9
November 2004GoodVery GoodVery GoodVery Good60099.9
October 2003GoodVery GoodVery GoodVery Good76099.8
November 2002GoodVery GoodVery GoodVery Good76099.8
November 2001GoodVery GoodVery GoodVery Good76099.8
October 2000GoodVery GoodVery GoodVery Good76098.8
November 1999GoodVery GoodVery GoodVery Good65398.8
November 1998GoodVery GoodVery GoodVery Good65398.8
December 1997GoodExcellentExcellentExcellent65397.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Timber Girder/Beamlinear ft.1,1191,119000
Substructure
Reinforced Concrete Abutmentlinear ft.160160000
Deck
Timber Decksq. ft.3,1693,169000
Wearing Surfacessq. ft.3,16503,16500
Bearings
Elastomeric Bearingeach2828000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.43010
Timber Bridge Raillinear ft.161161000