JANUARY 30, 2010 IOWA BICYCLE SUMMIT Brian P. Keierleber P.E. ECONOMICAL BRIDGE CONSTRUCTION
Bridges in Iowa <ul><li>Iowa is 5 th  in Bridges and 30 th  in population </li></ul><ul><li>Bowstring Arch 1872 moved 1891...
Buchanan County Iowa <ul><li>257 Bridges over 20’ </li></ul><ul><li>9 Pinn-connected Trusses constructed 1870-1914 </li></...
New Construction Costs <ul><li>Receives about $283,000/Yr. for BRS/BROS  </li></ul><ul><li>30x100 slab x $105/sf. or $315,...
Our Old Bridges <ul><li>We must Have An Economical Alternative or We will Have 250 year old bridges. </li></ul>
RECYCLING CAN BE AN OPTION
We have constructed 15 Bridges from Railroad Flatcars
What Do They Look Like?
Types of Cars <ul><li>Pulp Cars </li></ul><ul><li>Military </li></ul><ul><li>89’ Flatcars, Cost $16,250 Delivered </li></u...
Flatcars Not Boxcars
Pulp Cars
Sheet Piling Placed With a  Vibratory Plate
Expansion Joint
Stub Abutment With Sheet Piling
Tying The Cars Together <ul><li>1) Bolted Directly </li></ul><ul><li>2) Bolted With Concrete and # 11 Bars </li></ul><ul><...
Concrete Beam and Bolts
Bolted Directly
Welded
Types of Decks <ul><li>Asphalt Millings </li></ul><ul><li>Rock </li></ul><ul><li>Asphalt Slurry </li></ul>
Asphalt Millings
Rock
Asphalt
Tie Down Holes
Patch Holes in The Decks <ul><li>1) Non-Woven Geotextile Fabric </li></ul><ul><li>2) Asphalt Treated Geotextile (petrotac)...
Why Do They Retire the Railcars <ul><li>Newer lighter More efficient Cars Exist </li></ul><ul><li>Tax Purposes </li></ul><...
Hazleton Subdivision on Kentucky Ave
89 Ft. Flatcar Around the Mountain Bridge
68 Ft Railcar 270 st Franck’s Bridge
Bovenmeyer’s Bridge
Eddy’s Bridge
DELIVERING THE CARS
Placement of Novak’s West Bridge
Equipment Requirements depend on the site
Financing
Other Solutions - Research
Look For Better Methods  Jakway Park Bridge Federal Research 2008
Otterville Wapsi Bridge  moving to Fredericksburg
Historical Bridges are NO Problem
KING PINN POST  constructed 1898 now on trail
WAGON TRUSS BRIDGE  constructed 1870 now on trail
There are still 12 Truss Bridges in use in Buchanan County In the Future they will be for sale others may be available in ...
THROUGH TRUSS  over Lime Creek in Jefferson Twp sec13
Bonefas Bridge Westburg 21
150 st. & Indiana
Adapt to NEW Concepts
We CAN Adapt This
We CAN Do this also
Pavements from BIO-OILS
ROAD BASE STABILIZATION FROM USED SHINGLES
D-22 Completed Future Dreams are to pave the Shoulders
Enhancement Funds Can Be Used For Trails
Fontana Bicycle Trail Unique Paver
Excellent in Remote Areas
Finished Product
And Sometimes Completely Unexpected
Maybe the need is Just More HORSE POWER
Questions and Issues??? http://www.operationsresearch.dot.state.ia.us/reports/ihrb_by_number/tr400plus.html
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Economical Bridges

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Economical Bridges

  1. 1. JANUARY 30, 2010 IOWA BICYCLE SUMMIT Brian P. Keierleber P.E. ECONOMICAL BRIDGE CONSTRUCTION
  2. 2. Bridges in Iowa <ul><li>Iowa is 5 th in Bridges and 30 th in population </li></ul><ul><li>Bowstring Arch 1872 moved 1891 </li></ul>
  3. 3. Buchanan County Iowa <ul><li>257 Bridges over 20’ </li></ul><ul><li>9 Pinn-connected Trusses constructed 1870-1914 </li></ul><ul><li>3 Riveted Trusses </li></ul><ul><li>Henry Ford started mass production of the Model T in 1913 </li></ul>
  4. 4. New Construction Costs <ul><li>Receives about $283,000/Yr. for BRS/BROS </li></ul><ul><li>30x100 slab x $105/sf. or $315,000 </li></ul>
  5. 5. Our Old Bridges <ul><li>We must Have An Economical Alternative or We will Have 250 year old bridges. </li></ul>
  6. 6. RECYCLING CAN BE AN OPTION
  7. 7. We have constructed 15 Bridges from Railroad Flatcars
  8. 8. What Do They Look Like?
  9. 9. Types of Cars <ul><li>Pulp Cars </li></ul><ul><li>Military </li></ul><ul><li>89’ Flatcars, Cost $16,250 Delivered </li></ul><ul><li>89’ Flatcar cut to 68’, Cost $12,000 Delivered </li></ul><ul><li>Total Costs range between $62,000 and $75,000 </li></ul>
  10. 10. Flatcars Not Boxcars
  11. 11. Pulp Cars
  12. 12. Sheet Piling Placed With a Vibratory Plate
  13. 13. Expansion Joint
  14. 14. Stub Abutment With Sheet Piling
  15. 15. Tying The Cars Together <ul><li>1) Bolted Directly </li></ul><ul><li>2) Bolted With Concrete and # 11 Bars </li></ul><ul><li>3) Welded </li></ul>
  16. 16. Concrete Beam and Bolts
  17. 17. Bolted Directly
  18. 18. Welded
  19. 19. Types of Decks <ul><li>Asphalt Millings </li></ul><ul><li>Rock </li></ul><ul><li>Asphalt Slurry </li></ul>
  20. 20. Asphalt Millings
  21. 21. Rock
  22. 22. Asphalt
  23. 23. Tie Down Holes
  24. 24. Patch Holes in The Decks <ul><li>1) Non-Woven Geotextile Fabric </li></ul><ul><li>2) Asphalt Treated Geotextile (petrotac) </li></ul><ul><li>3) Rubber Conveyor Belting </li></ul>
  25. 25. Why Do They Retire the Railcars <ul><li>Newer lighter More efficient Cars Exist </li></ul><ul><li>Tax Purposes </li></ul><ul><li>Derailments </li></ul><ul><li>Age Limit-Not to Exceed 40 Years </li></ul>
  26. 26. Hazleton Subdivision on Kentucky Ave
  27. 27. 89 Ft. Flatcar Around the Mountain Bridge
  28. 28. 68 Ft Railcar 270 st Franck’s Bridge
  29. 29. Bovenmeyer’s Bridge
  30. 30. Eddy’s Bridge
  31. 31. DELIVERING THE CARS
  32. 32. Placement of Novak’s West Bridge
  33. 33. Equipment Requirements depend on the site
  34. 34. Financing
  35. 35. Other Solutions - Research
  36. 36. Look For Better Methods Jakway Park Bridge Federal Research 2008
  37. 37. Otterville Wapsi Bridge moving to Fredericksburg
  38. 38. Historical Bridges are NO Problem
  39. 39. KING PINN POST constructed 1898 now on trail
  40. 40. WAGON TRUSS BRIDGE constructed 1870 now on trail
  41. 41. There are still 12 Truss Bridges in use in Buchanan County In the Future they will be for sale others may be available in a county near YOU arrangements can be made to move them
  42. 42. THROUGH TRUSS over Lime Creek in Jefferson Twp sec13
  43. 43. Bonefas Bridge Westburg 21
  44. 44. 150 st. & Indiana
  45. 45. Adapt to NEW Concepts
  46. 46. We CAN Adapt This
  47. 47. We CAN Do this also
  48. 48. Pavements from BIO-OILS
  49. 49. ROAD BASE STABILIZATION FROM USED SHINGLES
  50. 50. D-22 Completed Future Dreams are to pave the Shoulders
  51. 51. Enhancement Funds Can Be Used For Trails
  52. 52. Fontana Bicycle Trail Unique Paver
  53. 53. Excellent in Remote Areas
  54. 54. Finished Product
  55. 55. And Sometimes Completely Unexpected
  56. 56. Maybe the need is Just More HORSE POWER
  57. 57. Questions and Issues??? http://www.operationsresearch.dot.state.ia.us/reports/ihrb_by_number/tr400plus.html

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