SR 20 over THUNDER ARM BAY
13.8 E SKAGIT CO · County 073, Washington · Built 1961 · 2 Lanes · 1,322 vehicles/day
Overall
Deck
7
Good
Superstructure
6
Satisfactory
Substructure
7
Good
Condition Ratings
| Component | Rating | Description |
|---|---|---|
| Deck | 7 | Good |
| Superstructure | 6 | Satisfactory |
| Substructure | 7 | Good |
Location
48.690917, -121.095986
This bridge is in worse condition than 47.6% of bridges in County 073. The average bridge in Washington is 0 years old; this one is 65 years old.
Nearby Bridges
SR 20 over COLONIAL CREEK
Built 1961
DIABLO DAM ACCESS over SKAGIT RIVER
Built 1930
DIABLO ACCESS ROAD over SKAGIT RIVER
Built 1930
DIABLO DAM RD over DIABLO GORGE
Built 1962
DIABLO ACCESS RD over DIABLO GORGE
Built 1962
SR 20 over HORSETAIL CREEK
Built 1968
DIABLO DAM ACCESS over SKAGIT RIVER
Built 1930
DIABLO CAMP ROAD over DIABLO TAILRACE
Built 1962
DIABLO ST over STETATTLE CREEK
Built 1941
SR 20 over SKAGIT R
Built 1960
Bridge Details
- Structure #
- 0006585B0000000
- Year Built
- 1961
- Length
- 64 m (210 ft)
- Max Span
- 9.1 m
- Width
- 9.3 m (30.5 ft)
- Lanes
- 2
- Daily Traffic
- 1,322
- Material
- Concrete
- Design
- Stringer/Multi-beam or Girder
- Owner
- State Highway Agency
- Last Inspected
- N/A
- Est. Improvement
- $1,895,000
- Total Project Cost
- $3,790,000
Data from FHWA National Bridge Inventory. Bridge conditions may have changed since the last inspection. This site is not affiliated with FHWA. Do not use for route clearance purposes.