US Bridges

Broadway over SR 526 E-S Ramp

Good

Snohomish County, Washington · JCT I-5 & SR 527 · Structure no. 0008707C0000000

Built
1970
55 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
17,375
2008 count
Owner
State
State Highway Agency

About this bridge

Broadway over SR 526 E-S Ramp is a prestressed concrete stringer/multi-beam or girder carrying Broadway over SR 526 E-S Ramp in Snohomish County, Washington. It was built in 1970, so it is 55 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17,375 vehicles a day, roughly 5% of them trucks, projected to reach 30,511 by 2036. The structure is 57 ft (17.3 m) long and 87 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesBroadway
CrossesSR 526 E-S Ramp
LocationJCT I-5 & SR 527
RouteInterstate 526
CountySnohomish County
StateWashington
Coordinates47.91889, -122.20889
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length57 ft (17.3 m)
Longest span51 ft (15.5 m)
Deck width87 ft (26.6 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,375 (2008)
Projected traffic30,511 by 2036
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$2.2 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Broadway over SR 526 E-S Ramp built?

It was built in 1970, making it 55 years old in 2025.

What condition is Broadway over SR 526 E-S Ramp in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Broadway over SR 526 E-S Ramp carry?

About 17,375 vehicles per day (2008 count), of which roughly 5% are trucks.

How long is Broadway over SR 526 E-S Ramp?

The structure is 57 ft (17.3 m) long with a longest span of 51 ft (15.5 m) and a deck 87 ft wide.

Who owns Broadway over SR 526 E-S Ramp?

It is owned by the State Highway Agency.