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I-71 over MILL CR + MILL CR RD

Map

Coordinates:
+38.59417, -85.17472
38°35'39" N, 85°10'29" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-71 over MILL CR + MILL CR RD
Structure number:021B00039L
Location:NBL .7 MI N OF TRIMBLE CO
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:53.2 ft. [16.2 m]
Total length:336.0 ft. [102.4 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:35.8 ft. [10.9 m]
Vertical clearance below bridge:39.4 ft. [12.0 m]
Skew angle:32°
Owner:State Highway Agency [01]
Year built:1967
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:6
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: November 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:17,565 [as of 2017]
Truck traffic:35% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:81.0
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$1,503,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2018FairSatisfactorySatisfactorySatisfactory1756581.0
November 2016FairSatisfactorySatisfactorySatisfactory1605181.0
November 2014FairSatisfactoryFairFair1434770.0
November 2012FairSatisfactoryFairFair1460070.0
November 2010FairSatisfactoryFairFair1400067.0
January 2009PoorFairFairPoor1330049.3
January 2007PoorSatisfactoryFairPoor3050046.9
March 2005PoorSatisfactoryFairPoor2923147.2

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.1,3441,3123200
Deck
Reinforced Concrete Top Flangesq. ft.12,01411,29372100
Wearing Surfacessq. ft.10,0369,43460200
Substructure
Reinforced Concrete Columneach1512300
Reinforced Concrete Abutmentlinear ft.86642200
Reinforced Concrete Pier Caplinear ft.2001782200
Joints
Strip Seal Jointlinear ft.7676000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.672672000
Steel Protective Coatingsq. ft.3,3603,360000
Reinforced Concrete Bridge Raillinear ft.6726383400