US Bridges

Broadway over BNSF Railway

Good

Snohomish County, Washington · 1.4 N JCT I-5 · Structure no. 088835000000000

Built
2016
9 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete Continuous
Length
115 ft
3 main spans
Daily traffic
20,800
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Broadway over BNSF Railway is a prestressed concrete continuous slab carrying Broadway over BNSF Railway in Snohomish County, Washington. It was built in 2016, so it is 9 years old, younger 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 20,800 vehicles a day, roughly 5% of them trucks, projected to reach 25,000 by 2046. The structure is 115 ft (35.1 m) long and 99 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBroadway
CrossesBNSF Railway
Location1.4 N JCT I-5
RouteCity Street 420
Coordinates47.97964, -122.20156
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.
Superstructure8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating69.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length115 ft (35.1 m)
Longest span48 ft (14.6 m)
Deck width99 ft (30.3 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,800 (2022)
Projected traffic25,000 by 2046
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$8.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Broadway over BNSF Railway built?

It was built in 2016, making it 9 years old in 2025.

What condition is Broadway over BNSF Railway 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 BNSF Railway carry?

About 20,800 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Broadway over BNSF Railway?

The structure is 115 ft (35.1 m) long with a longest span of 48 ft (14.6 m) and a deck 99 ft wide.

Who owns Broadway over BNSF Railway?

It is owned by the City or Municipal Highway Agency.