A car wreck at eastbound state Route 512 and Portland Avenue East is causing a three-mile backup, according to the state Department of Transportation.

The crash, which happened about 3:15 p.m., is also causing a backup on northbound Interstate 5 from Bridgeport Way Southwest, department officials said.

Troopers are on the scene.

All lanes are open.

UPDATE as of 3:45 p.m.: All lanes are cleared, but a four-mile backup remains, according to the state Department of Transportation.

INITIAL POST: A crash that happened at 12:45 p.m. just north of Bridgeport Way on southbound Interstate 5 is causing mile-long backups on both southbound I-5 and state Route 512, according to the state Department of Transportation.

The two right lanes of southbound I-5 are blocked.

State Patrol troopers are at the scene.

Check back for updates.

Eastbound state Route 16 will close at Union Avenue tonight at 11 p.m. until 4 a.m. Friday.

Signs will detour vehicles off SR 16 at Union Avenue, and will lead to Interstate 5.

SR 16 will also close from 12:30 to 5:30 a.m. Saturday, and from 11 p.m. to 4 a.m. again starting Monday, Wednesday and Thursday.

The closures are part of the I-5/SR 16 Eastbound Nalley Valley project to replace the original section of eastbound SR 16 that went over Nalley Valley.

Crews will be doing girder setting work.

UPDATE as of 4:23 p.m. All lanes have been cleared, according to WSDOT.

INITIAL POST: An accident that happened about 4 p.m. at southbound Interstate 5 and 84th Street South is blocking the two right lanes of the freeway, according to the state Department of Transportation.

The State Patrol is on the scene.

Check back for updates.

A crash on northbound Interstate 5 at Berkeley Street is blocking all lanes of the freeway, according to the state Department of Transportation. Traffic is being detoured off at Berkeley.

The crash happened at 11:30 p.m. State Patrol is on the scene.

Further information was not immediately available.

UPDATE as of 5:08 p.m. All lanes have been cleared, according to WSDOT.

UPDATE as of 5:04 p.m. The left HOV lane is blocked, according to WSDOT.

INITIAL POST: A crash on the eastbound Tacoma Narrows bridge is blocking the two left lanes of the roadway, according to the state Department of Transportation.

The crash happened at 4:45 p.m. State Patrol and emergency responders are at the scene.

Further details were not immediately available. Check back for updates.

UPDATE as of 5 p.m. All lanes are cleared, according to WSDOT.

INITIAL POST: A crash on southbound Interstate 5 at 54th Street East in Fife is causing a backup, according to the state Department of Transportation.

The HOV lane is blocked, and emergency responders are on the scene, WSDOT officials said at 3:30 p.m.

The crash happened at 3:15 p.m.

A semi-car crash on northbound Interstate 5 just south of state Route 512 caused a 13-mile backup Monday afternoon and took three hours to clear.

The State Patrol said the crash happened about 3:30 p.m. when a car slowed to change lanes, which caused another car to slow and a semi to hit the vehicles. The cause was being investigated. Four people were injured, one seriously, the State Patrol said. The wreck was cleared by 6:30 p.m., at which point there was still about a 10-mile backup, according to the state Department of Transportation.