US Bridges

Lombard Avenue over Burlington Northern RR

Fair

Snohomish County, Washington · 0.1 N of Hewitt Ave · Structure no. 085735000000000

Built
1989
36 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
371
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lombard Avenue over Burlington Northern RR is a prestressed concrete tee beam carrying Lombard Avenue over Burlington Northern RR in Snohomish County, Washington. It was built in 1989, so it is 36 years old, younger 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 371 vehicles a day, roughly 2% of them trucks, projected to reach 446 by 2045. The structure is 77 ft (23.4 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLombard Avenue
CrossesBurlington Northern RR
Location0.1 N of Hewitt Ave
RouteCity Street 42017
Coordinates47.97991, -122.203
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1 (+2 approach)
Design loadHS 20
Structure length77 ft (23.4 m)
Longest span55 ft (16.8 m)
Deck width62 ft (18.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic371 (2022)
Projected traffic446 by 2045
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$3.1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lombard Avenue over Burlington Northern RR built?

It was built in 1989, making it 36 years old in 2025.

What condition is Lombard Avenue over Burlington Northern RR 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 April 2023.

How much traffic does Lombard Avenue over Burlington Northern RR carry?

About 371 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Lombard Avenue over Burlington Northern RR?

The structure is 77 ft (23.4 m) long with a longest span of 55 ft (16.8 m) and a deck 62 ft wide.

Who owns Lombard Avenue over Burlington Northern RR?

It is owned by the City or Municipal Highway Agency.