Rockport Cascade over Illabot Creek (east)

Fair Condition56 years old262 vehicles/day

Location

StateWashington
CountySkagit
Location4.2 E Jct SR 530
CarriesRockport Cascade
CrossesIllabot Creek (east)
Coordinates48.48186, -121.50047

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length92.5 ft (28.2 m)
Max Span87.9 ft (26.8 m)
Deck Width30.8 ft (9.4 m)
Deck Area265.1 sq m
Main Spans1
Year Built1970

Traffic

Avg Daily Traffic262 (2021)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number084672000000000

Nearby Bridges

Rockport Cascade over Illabot Creek (middle) 0.0 mi Good Rockport Cascade R over Illabot Creek (west) 0.1 mi Good SR 20 over Rocky Creek 1.7 mi Fair Conrad Road over Sutter Creek 2.3 mi Good SR 20 over Swift Creek 2.4 mi Good Conrad Road over Swift Creek 2.5 mi Fair SR 530 over Bohs Slough 4.2 mi Good SR 530 over Skagit River 4.2 mi Fair Cascade River RD over Skagit River 4.5 mi Fair Rockport Cascade over Jordan Creek 4.5 mi Good