US Bridges

SR 532 over Florence RD BNSF RR

Fair

Snohomish County, Washington · 2.1 E Snohomish CO · Structure no. 0006837A0000000

Built
1960
65 years old, rebuilt 1962
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
699 ft
11 main spans
Daily traffic
19,200
2023 count
Owner
State
State Highway Agency

About this bridge

SR 532 over Florence RD BNSF RR is a prestressed concrete stringer/multi-beam or girder carrying SR 532 over Florence RD BNSF RR in Snohomish County, Washington. It was built in 1960 and reconstructed in 1962, so it is 65 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 19,200 vehicles a day, roughly 5% of them trucks, projected to reach 28,208 by 2039. The structure is 699 ft (213.1 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 532
CrossesFlorence RD BNSF RR
Location2.1 E Snohomish CO
RouteState Highway 532
CountySnohomish County
StateWashington
Coordinates48.23989, -122.35
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length699 ft (213.1 m)
Longest span65 ft (19.8 m)
Deck width34 ft (10.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,200 (2023)
Projected traffic28,208 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$12.3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 532 over Florence RD BNSF RR built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1962.

What condition is SR 532 over Florence RD BNSF 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 July 2023.

How much traffic does SR 532 over Florence RD BNSF RR carry?

About 19,200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 532 over Florence RD BNSF RR?

The structure is 699 ft (213.1 m) long with a longest span of 65 ft (19.8 m) and a deck 34 ft wide.

Who owns SR 532 over Florence RD BNSF RR?

It is owned by the State Highway Agency.