US Bridges

SR 92 over Centennial Trail

Fair

Snohomish County, Washington · 2.4 E JCT SR 9 · Structure no. 086264000000000

Built
1996
29 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
12,768
2023 count
Owner
State
State Highway Agency

About this bridge

SR 92 over Centennial Trail is a concrete continuous slab carrying SR 92 over Centennial Trail in Snohomish County, Washington. It was built in 1996, so it is 29 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 12,768 vehicles a day, roughly 10% of them trucks, projected to reach 18,758 by 2039. The structure is 93 ft (28.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 92
CrossesCentennial Trail
Location2.4 E JCT SR 9
RouteState Highway 92
CountySnohomish County
StateWashington
Coordinates48.03214, -122.05825
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 rating99 US tons
Inventory rating61 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length93 ft (28.3 m)
Longest span35 ft (10.7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,768 (2023)
Projected traffic18,758 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 92 over Centennial Trail built?

It was built in 1996, making it 29 years old in 2025.

What condition is SR 92 over Centennial Trail 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 SR 92 over Centennial Trail carry?

About 12,768 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR 92 over Centennial Trail?

The structure is 93 ft (28.3 m) long with a longest span of 35 ft (10.7 m) and a deck 43 ft wide.

Who owns SR 92 over Centennial Trail?

It is owned by the State Highway Agency.