US Bridges

SR 526 over E Casino RD

Fair

Snohomish County, Washington · 3.7 E JCT SR 525 · Structure no. 0008446G0000000

Built
1969
56 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
234 ft
3 main spans
Daily traffic
37,224
2023 count
Owner
State
State Highway Agency

About this bridge

SR 526 over E Casino RD is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 526 over E Casino RD in Snohomish County, Washington. It was built in 1969, so it is 56 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 37,224 vehicles a day, roughly 3% of them trucks, projected to reach 53,310 by 2039. The structure is 234 ft (71.3 m) long and 109 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesSR 526
CrossesE Casino RD
Location3.7 E JCT SR 525
RouteState Highway 526
CountySnohomish County
StateWashington
Coordinates47.92273, -122.22289
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length234 ft (71.3 m)
Longest span97 ft (29.6 m)
Deck width109 ft (33.1 m)
Roadway width101 ft (30.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,224 (2023)
Projected traffic53,310 by 2039
Trucks3%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$12.4 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 526 over E Casino RD built?

It was built in 1969, making it 56 years old in 2025.

What condition is SR 526 over E Casino RD in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does SR 526 over E Casino RD carry?

About 37,224 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SR 526 over E Casino RD?

The structure is 234 ft (71.3 m) long with a longest span of 97 ft (29.6 m) and a deck 109 ft wide.

Who owns SR 526 over E Casino RD?

It is owned by the State Highway Agency.