256th ST over SR 18

Fair Condition24 years old3,706 vehicles/day

Location

StateWashington
CountyKing
Location1.5 E Jct SR 516
Carries256th ST
CrossesSR 18
Coordinates47.37258, -122.09153

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length304.1 ft (92.7 m)
Max Span174.9 ft (53.3 m)
Deck Width53.8 ft (16.4 m)
Deck Area1520.3 sq m
Main Spans2
Year Built2002

Traffic

Avg Daily Traffic3,706 (2010)
Truck Traffic16%
Lanes On Bridge2
Lanes Under Bridge5

Inspection & Ownership

Last Inspection324
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0016008B0000000

Nearby Bridges

SE 256th ST over Jenkins Creek 0.3 mi Fair SR 18 over Jenkins Creek 0.4 mi Fair SE 180th AVE over SR 18 0.6 mi Good SR 18 over Jenkins Creek 0.6 mi Good SR 18 over Jenkins Creek 0.6 mi Good 184th AVE SE over Unnamed Creek 1.0 mi Fair SE 261st Street over Little Soos Creek 1.2 mi Good 172nd AVE SE over Soos Creek 1.5 mi Good SR 18 over SR 516 1.7 mi Good SR 18 over SR 516 1.7 mi Good