Runway Information for SEATTLE-TACOMA INTERNATIONAL Airport (SEA) 16L/34R 16C/34C 16R/34L ID Dimensions Surface Weight Bearing Capacity 16L/34R 11901 ft x 150 ft / 3627.4 m x 45.7 m Bituminous Concrete (grooved), Excellent Condition Single Wheel 120.0 Double Wheel 250.0 Double Tandem 550.0 Dual Double Tandem 1120.0 16L/34R Details Title 16L 34R Latitude 47-27-49.6628N 47-25-52.2202N Longitude