US Bridges

Jordan RD over S.F. Stillaguamish River

Fair

Snohomish County, Washington · 1.1 N JCT SR 92 · Structure no. 081400000000000

Built
1966
59 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
297 ft
3 main spans
Daily traffic
4,605
2023 count
Owner
County
County Highway Agency

About this bridge

Jordan RD over S.F. Stillaguamish River is a steel continuous stringer/multi-beam or girder carrying Jordan RD over S.F. Stillaguamish River in Snohomish County, Washington. It was built in 1966, so it is 59 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 5 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 4,605 vehicles a day, roughly 11% of them trucks, projected to reach 7,000 by 2042. The structure is 297 ft (90.5 m) long and 31 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesJordan RD
CrossesS.F. Stillaguamish River
Location1.1 N JCT SR 92
RouteCounty Highway 98929
Coordinates48.09513, -121.97445
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length297 ft (90.5 m)
Longest span176 ft (53.6 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,605 (2023)
Projected traffic7,000 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$11.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Jordan RD over S.F. Stillaguamish River built?

It was built in 1966, making it 59 years old in 2025.

What condition is Jordan RD over S.F. Stillaguamish River 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 June 2024.

How much traffic does Jordan RD over S.F. Stillaguamish River carry?

About 4,605 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Jordan RD over S.F. Stillaguamish River?

The structure is 297 ft (90.5 m) long with a longest span of 176 ft (53.6 m) and a deck 31 ft wide.

Who owns Jordan RD over S.F. Stillaguamish River?

It is owned by the County Highway Agency.