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Alabama Department of Transportation

I-59/20Bridge ReplacementBirmingham Central Business District(CBD)

Enriching lives in Alabama through excellence in transportation

www.dot.state.al.us

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Total State and Federal Funding

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Funding in 1991 Dollars

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Allocation Of Funds

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REVENUEEstimated State Funds 2013 $ 480,260,000

Estimated Federal Funds $ 733,095,000

Total $1,213,355,000

EXPENSES

Funds to Cities, Counties, other agencies $ 261,810,000Subtotal $ 951,545,000

OTHER EXPENSES

System Preservation $ 510,000,000

System Enhancement $ 150,000,000

Routine Maintenance $ 147,500,000Overhead/Equipment/Land & Building $ 83,625,000

Safety $ 60,420,000

Total $ 951,545,000

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Future Fuel Economy Standards

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CBD Bridge History

Open to Traffic in 1971 (42 years old)

Designed for 80,000 vehicles per day

Current traffic is 160,000 vehicles per day

Projected 2035 traffic is 225,000 vehicles per

day

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CBD Bridge History

10 incidents of severe damage to the bridge

since 1990.

646 traffic accidents in 4 year time period

(crash almost every other day for 4 years)

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Four Alternatives to Address CBDBridge Issues

Bridge Deck Replacement

Bridge Replacement

Move to Finley

The Birmingham Dig

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Bridge Deck Replacement

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Move to FinleyAlternate 2Arkadelphia Rd. to Tallapoosa St.

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Corridor Length: 4.9 miles

Required Right-of-Way:

+/- 260 acres

Displacements

Residences: 200 +

Businesses: 80 +

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Potential Issues Historic Sites (Norwood Historic District, East

Thomas Historic District)

4(f) Properties (Fountain Heights Park,Greenwood Park)

Churches (Mt. Hebron Baptist, 25thAve.Baptist, Center Street Baptist, Thomas ChapelAME Zion, Holy Trinity World Outreach, St.Marks Catholic, Mt. Calvary Baptist Church)

Floodplains (Village Creek)

Noise Impacts (Norwood Elementary School,Lewis Elementary School)

Schools (Finley Avenue Elementary) Environmental Justice

Geotechnical (former Quarry)

Haz-Mat Sites

Move to Finley

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Required ROW

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Move to Finley

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Floodplain

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Move to Finley

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Potential Haz-Mat Sites

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Move to Finley

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Large Industrial Sites

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Move to Finley

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Cumulative

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Timeline

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The Birmingham DigConcept Developed by Parsons Brinckerhoff for Operation NewBirmingham, 2009

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The Birmingham Dig

Issues During Construction Will it fit?

ROW Limits = 238 Ft. (Min.) Controlled by parking deck and BJCC

parking lot

Construction Limits = 274 Ft.

Retaining Wall Construction

Utility Relocations

Traffic Operations

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Long-Term Issues Geometry

Traffic Operations

Storm Drainage

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The Birmingham DigExcavation Complete

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1:1 Slope

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The Birmingham DigRetaining Walls Complete

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The Birmingham DigConstruction Complete

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The Birmingham Dig

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The Birmingham Dig

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The Birmingham Dig

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The Birmingham Dig

RetainingWall Construction Poor Soils

Inconsistent Rock Elevations

Building Foundations Prevent Tie-Backs

Phased Construction

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The Birmingham Dig

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The Birmingham DigUtilities IssuesUnderground Electrical

Transmission and Distribution

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21 Crossings

The Birmingham Dig

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The Birmingham DigUtilities IssuesGas

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12 Crossings16 in. max dia.

The Birmingham Dig

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The Birmingham DigUtilities IssuesSanitary Sewer

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8 Crossings

The Birmingham Dig

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The Birmingham DigUtilities IssuesTelecom

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22 Crossings

The Birmingham Dig

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The Birmingham DigUtilities IssuesWater

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9 Crossings30 in. max dia.

The Birmingham Dig

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The Birmingham DigUtilities IssuesOverall Utilities

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72 Crossings

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The Birmingham Dig

Traffic During Construction Access to CBD

Civic Center

31st

Businesses Rail Traffic

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The Birmingham Dig

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The Birmingham DigI-65 Ramp

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The Birmingham DigE. B. Stephens Ramps

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The Birmingham Dig

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Traffic Operations Does Not Satisfactorily Accommodate 20 Year Projected Traffic

4 Lanes I-59 SB Does Not Work (LOS F)

Would Require Design Exception from FHWA Never received this type exception

Red Mtn Expwy has 2 At-Grade Intersections (28,800 ADT,2030)

Does not Eliminate Hazardous Weaves

Frontage Roads Require Turn Lanes to Accommodate 20 Year

Projected Traffic

The Birmingham Dig

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The Birmingham DigTotal Area Drainingto I-59/20 is 546 acres

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The Birmingham Dig

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Gravity Storm Drainage Not Possible

EL.536

EL.556

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The Birmingham Dig

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The Birmingham Dig

Timeline

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Project Cost Comparison

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Timeline Comparison

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Enriching lives in Alabama through excellence in transportation

www.dot.state.al.us

Questions?

aldot 20/59 plan

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