At approximately 2:50 pm Monday, the East Contra Costa Fire Protection District was dispatched to a report of a vegetation fire along State Route 4 near the Old River Bridge in the Town of Discovery Bay.
According to Battalion 5, he reported upon arrival that the fire was approximately 500 yards along the roadside which was approaching the bridge. He requested the California Highway Patrol for traffic control as there was limited to no viability due to smoke across the highway.
Firefighters were working to keep this away from the bridge.
By 3:39 pm, ECCFPD reported that forward progress has been stopped. CHP had also issued a SIGALERT that both directions of traffic were blocked.
According to the ECCFPD, the fire burned approximently 5.5 acres in total. The cause of the fire was “undetermined”.
|4:30 PM||18|| 1039 DOT-CC|
|4:29 PM||17|| ^***UPDATE SIGALERT*** SR4 JEO DISCOVERY BAY BLVD ONE WAY TRAFFIC CONTROL IN AREA DUE TO BRUSH FIRE UNK ETO REF LOG 1546|
|3:44 PM||16|| 1039 D10 TMC FOR CMS ACTIVATION|
|3:41 PM||15|| ^***ISSUE SIGALERT*** SR4 BLOCKED IN BOTH DIRECTIONS JEO DISCOVERY BAY BLVD DUE TO BRUSH FIRE IN AREA. ETO 30 MIN REF LOG 1546|
|3:38 PM||14|| FIRE WILL HOLD WB TRFC TRACY CAN 1022 / 19-405B WILL HOLD EB TRFC ETO APPROX 30 MINS AND NEG ON CAL TRANS 97|
|3:20 PM||13|| 19-405B REQ IF TRACY HAS UNIT CLOSE ON THEIR END THAT CAN RESPOND ON THEIR END MAY NEED TO SHUT DWN TRFC BOTH ENDS|
|3:18 PM||12|| COCO FIRE COPIES LN 17|
|3:18 PM||11|| 19-405B CPYS ENRT APPROX 20 MIN ETA|
|3:17 PM||10|| REQ POSS ETA|
|3:16 PM||9|| [Notification] [CHP]- PER COCO FIRE REQ CHP TO STOP TRFC AT OLD RIVER BRIDGE AND EXPIDITE FOR TRFC COTROLL // ZERO VISABILITY IN AREA DUE TO SMOKE [Shared]|
|3:16 PM||8|| PER COCO FIRE REQ CHP TO STOP TRFC AT OLD RIVER BRIDGE AND EXPIDITE FOR TRFC COTROLL // ZERO VISABILITY IN AREA DUE TO SMOKE|
|2:56 PM||7|| FIRE IFO Seaton’s Marine Inc.|
|2:55 PM||6|| [Appended, 14:55:51]  XFR COCO FIRE|
|2:54 PM||5|| [Appended, 14:55:51]  BRUSH FIRE|
|2:54 PM||4|| XFER FIRE|
|2:54 PM||3|| ADV’G BEFORE THE BRIDGE|
|2:53 PM||2|| BRUSH FIRE|
|2:53 PM||1|| FLAMES AND SMOKE SEE ON RHS|