US Bridges

Broadway Ave. NB over I-5 Ramps

FairPosted for load

Snohomish County, Washington · 0.1 N JCT I-5 · Structure no. 0003842B0000000

Built
1950
75 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
161 ft
4 main spans
Daily traffic
5,763
2002 count
Owner
State
State Highway Agency

About this bridge

Broadway Ave. NB over I-5 Ramps is a concrete tee beam carrying Broadway Ave. NB over I-5 Ramps in Snohomish County, Washington. It was built in 1950, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 5,763 vehicles a day, roughly 5% of them trucks, projected to reach 11,053 by 2036. The structure is 161 ft (49.1 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesBroadway Ave. NB
CrossesI-5 Ramps
Location0.1 N JCT I-5
RouteCity Street 0
CountySnohomish County
StateWashington
Coordinates47.96127, -122.20071
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating17.5 US tons
Inventory rating13.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length161 ft (49.1 m)
Longest span46 ft (14 m)
Deck width24 ft (7.2 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,763 (2002)
Projected traffic11,053 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.5 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Broadway Ave. NB over I-5 Ramps built?

It was built in 1950, making it 75 years old in 2025.

What condition is Broadway Ave. NB over I-5 Ramps 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 October 2023.

How much traffic does Broadway Ave. NB over I-5 Ramps carry?

About 5,763 vehicles per day (2002 count), of which roughly 5% are trucks.

How long is Broadway Ave. NB over I-5 Ramps?

The structure is 161 ft (49.1 m) long with a longest span of 46 ft (14 m) and a deck 24 ft wide.

Who owns Broadway Ave. NB over I-5 Ramps?

It is owned by the State Highway Agency.