Multiple lanes of northbound I-5 at SR 599 at milepost 156 were closed after a fatal collision Friday morning, March 7, 2025 in Tukwila.
Washington State Patrol said the crash occurred on the SR 599 / Interurban overpass, where one of the vehicles ended up going off the overpass onto northbound I-5.
The left lane on the northbound I-5 off-ramp to SR 599 was also closed.
Emergency crews were on scene.
There is no estimate when lanes will reopen, and drivers should expect delays in the area.
Real-time travel information is available from the WSDOT mobile app, the WSDOT Travel Center Map or by signing up for WSDOT’s email updates.
UPDATE Mar. 7, 2025, 2:31 p.m.: The individual that was ejected on the overpass prior to the vehicle falling onto I-5 has been placed in custody for Felony Hit and Run, according to the Washington State Patrol.
“This person fled the scene and was caught minutes later,” Troopers said. “Once medically cleared he will be booked into jail.”
#Update The individual that was ejected on the overpass prior to the vehicle falling onto I-5 has been placed in custody for Felony Hit and Run. This person fled the scene and was caught minutes later. Once medically cleared he will be booked into jail.
— Trooper Rick Johnson (@wspd2pio) March 7, 2025
Photo courtesy Washington State Patrol.
#BlockingAlert There is a fatal collision that occurred on the SR 599 / Interurban overpass where one of the vehicles ended up going off the overpass onto NB I-5. The overpass is down to one lane and multiple lanes blocked on I-5. More info to come.
— Trooper Rick Johnson (@wspd2pio) March 7, 2025
Puget Sound Fire, @KingCoMedicOne , and WSP is on scene of a serious injury accident on northbound I-5, near the Interurban Avenue exit. All lanes are blocked except the right lane. pic.twitter.com/dRH8WqbDXc
— Puget Sound Fire (@PugetSoundFire) March 7, 2025
UPDATE: Just a single right lane is open on NB I-5 at SR 599 in south Seattle for a rollover collision. The left lane on the NB I-5 overpass ramp to SR 599 is also blocked.
Backups are now 4 miles. Avoid the area if possible. Seek alternate routes and prepare for delays. https://t.co/FhItt4o3J7 pic.twitter.com/jA9ZM8GwLn
— WSDOT Traffic (@wsdot_traffic) March 7, 2025
