I-71 over MILL CR + MILL CR RD
Map
Coordinates:
+38.59417, -85.1747238°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
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
November 2018 | Fair | Satisfactory | Satisfactory | Satisfactory | 17565 | 81.0 |
November 2016 | Fair | Satisfactory | Satisfactory | Satisfactory | 16051 | 81.0 |
November 2014 | Fair | Satisfactory | Fair | Fair | 14347 | 70.0 |
November 2012 | Fair | Satisfactory | Fair | Fair | 14600 | 70.0 |
November 2010 | Fair | Satisfactory | Fair | Fair | 14000 | 67.0 |
January 2009 | Poor | Fair | Fair | Poor | 13300 | 49.3 |
January 2007 | Poor | Satisfactory | Fair | Poor | 30500 | 46.9 |
March 2005 | Poor | Satisfactory | Fair | Poor | 29231 | 47.2 |
Element Data
Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Element | Units | Quantity | 1-Good | 2-Fair | 3-Poor | 4-Serious |
---|
Superstructure |
Reinforced Concrete Girder/Beam | linear ft. | 1,344 | 1,312 | 32 | 0 | 0 |
Deck |
Reinforced Concrete Top Flange | sq. ft. | 12,014 | 11,293 | 721 | 0 | 0 |
Wearing Surfaces | sq. ft. | 10,036 | 9,434 | 602 | 0 | 0 |
Substructure |
Reinforced Concrete Column | each | 15 | 12 | 3 | 0 | 0 |
Reinforced Concrete Abutment | linear ft. | 86 | 64 | 22 | 0 | 0 |
Reinforced Concrete Pier Cap | linear ft. | 200 | 178 | 22 | 0 | 0 |
Joints |
Strip Seal Joint | linear ft. | 76 | 76 | 0 | 0 | 0 |
Bridge Rail |
Steel or Aluminum Bridge Rail | linear ft. | 672 | 672 | 0 | 0 | 0 |
Steel Protective Coating | sq. ft. | 3,360 | 3,360 | 0 | 0 | 0 |
Reinforced Concrete Bridge Rail | linear ft. | 672 | 638 | 34 | 0 | 0 |