UPDATE: I-80 WB on bridge has reopened after a crash caused a major back-up

Iowa-bound traffic on the I-80 bridge is backed up all the way to I-88 due to an accident on the bridge.

(KWQC) - UPDATE: I-80 Westbound on the bridge is back open.

ORIGINAL: According to Iowa 511, an accident on the I-80 bridge heading into Iowa is causing a major traffic back up.

Traffic is backed up all the way to the I-88 and I-80 exchange. Iowa 511, citing Google, says the back up is causing at least a 20-minute delay.

Details on the crash are limited at this time.

This is a developing story, check back for updates.