Parkway Bridge Heights

George Washington Memorial Parkway
Southbound-start from top Northbound-start from bottom
Bridge Name Left Lane Right Lane Turn/Middle Lane Left Lane Right Lane Turn/Middle Lane
Ramp to Turkey Run Park 14'10" 14'11"
CIA
Overpass
18' 8" 19'1"
Route 123 Overpass 13'4" 14'1" 15'9"
Turn Lane
15'6" 14' 5" 13'10"
Turn Lane
Route 123 Overpass 15'4" 15'4" 15'5"
Acceleration Lane
F.S. Key Bridge Overpass 60' Plus 60' Plus 60' Plus 60' Plus
Bridge from Rosslyn Circle to Northbound Parkway 14' 9" 17' 3"
Route 66 Bike Path Overpass 15' 3" 14' 2" 18' 0"
West Bound Spout Run
18' 0"
West Bound Spout Run
Theodore Roosevelt Island
Pedestrian Overpass
14' 9" 14' 9" 15' 5" 15' 3" 15' 2"
Acceleration Lane
Theodore Roosevelt Bridge
I-66 West
50' Plus 50' Plus
Theodore Roosevelt Bridge Route 50 Eastbound 23' Plus 23' Plus
Route 50 East 17' 6" 15' 3"
Memorial Avenue Overpass 12'1" 12'4"
Washington Boulevard Overpass 14' 7" 14' 9"
Boundary Channel Drive Under Washington Blvd. 15' 9" 16' 1"
Route 50 Bypass 12' 6"
Memorial Bridge 13' 0" 13' 0"
Mason Bridge 11' 11" 12' 11" 15' 6" 15' 10"
Rochambeau Bridge 15' 4" 16' 4" 14' 8" 18' 5"
Metrorail Bridge 23' Plus 23' Plus 23' Plus 23' Plus
CSX Railroad Bridge 13' 8" 12' 10" 14' 7"
Middle Lane
12' 3" 13' 9" 14' 7"
Middle Lane
Hoffermair Bridge Underpass
- National Airport
16' 8" 16' 8"
Route 233 Overpass 17' 1" 15' 10" 16'10" 15' 4"
Metrorail - Airport Overpass 23' Plus 23' Plus 50' Plus 50' Plus
Smith Boulevard Overpass 15' 6" 16' 11" 16' 6" 17' 6"
Alexandria Avenue Overpass 13' 4" 10' 2" 13' 4" 10' 2"
Ft. Hunt Underpass 15' 8" 16' 1"
 
Clara Barton Parkway
Southbound-start from top Northbound-start from bottom
Bridge Name Left Lane Right Lane Turn/Middle Lane Left Lane Right Lane Turn/Middle Lane
Sycamore Island Pedestrian Bridge 14'8" 14' 11"
Glen Echo Aquaduct Bridge 20' 8" 19' 0"
Cantilever - Glen Echo 13' 3"
Cabin John Parkway East Under Clara Barton Parkway 18' 0"
Ericsson
Road Overpass
15' 2" 15' 2" 14' 9" 15' 5"
American Legion Bridge Ramp from I-495 Innerloop 23' Plus 23' Plus
American Legion Brige over the CB Parkway 40 feet plus 40 feet plus 40 feet plus 40 feet plus
Carderock Bridge 14' 9" 15' 0" 15' 9" 15' 5"
Carderock Picnic Area Access Underpass 11'4" 11'4"

Last updated: July 19, 2021

Contact the Park

Mailing Address:

George Washington Memorial Parkway Headquarters
700 George Washington Memorial Parkway

McLean , VA 22101

Phone:

703 289-2500

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