[This post has been updated. Most recent update: 1:03 p.m.]

Torrential and unceasing rain flooded the Washington region Thursday, closing schools, government buildings and major roadways and affecting the area’s roadways and transportation systems into Friday.

Flooding remains a threat for Friday. There were some problems for the morning commute, and the afternoon commute may be challenged as well.

Although federal employees can take unscheduled leave or telework today, government offices are still open and plenty of other people will still need to get to and from work.

Remember, don’t try to force your car through an impassable stretch of the road. If it’s flooded, turn around and find another route. And drive with extra caution this morning, because roadways will be slick and slippery after days of rain.

Tell us about the conditions and issues you encounter in the comments section below or by tweeting @drgridlock.

Here are some things you should know today:

No Metro delays reported

11:30 A.M. Update: There are no Metrorail or Metrobus delays due to the weather, according to the transit agency. Green Line:Trains are single tracking btwn Branch Avenue and Naylor Road due to scheduled track maintenance. Starting at 10 p.m. Friday night through closing on Sunday, Metro will do track work on the Red, Blue and Orange lines.

No VRE service

11:30 A.M. UPDATE: The Virginia Railway Express will not run trains due to flooding on the tracks. Tracks near the Franconia and Springfield station were washed out and the ballast and underpinning in that area were washed away. VRE officials are working to get authorization to move trains out of Union Station and back to Virginia rail yards. Three trains from the Fredricksburg fleet and two from Manasas are at Union Station.

Delayed MARC service

MARC’s Brunswick and Camden Lines have flash flood warnings in effect, which will cause delays of at least 15 to 30 minutes. Trains will run at reduced speeds and be prepared to stop. Additionally, Brunswick Line trains 892 and 876 have both been canceled due to crew shortages. And the Laurel Station overflow parking lot at the American Legion remains closed due to flooding; the Muikirk Station is recommended as a viable alternative.

Duke Ellington Bridge reopens in D.C.

9:30 A.M. Update: The bridge has reopened and no hazardous materials were found, according to the Metropolitan Police Department.

9:25 A.M. Update: The bridge appears to be open on the Connecticut Avenue side. We’re checking in with the Metropolitan Police Department to confirm.

Previously: The Duke Ellington Bridge, otherwise known as the stretch of Calvert Street connecting Woodley Park and Adams Morgan, is shut down due to a suspicious package, according to the Metropolitan Police Department.

If you would normally use this route, try heading south to Columbia Road or use one of the side roads instead. And expect to hit a little extra congestion on Connecticut Avenue in both directions for the near future, as traffic will likely slow down around Calvert Street.

Congestion abounds in D.C., MD, VA

9:40 A.M. Update: It’s clear that drivers still braved the floods, the lingering rain and the wet roadways to get to work.

I-395 North was backed up for much of the morning commute. Traffic is still moving very slowly at the 14th Street Bridge, but the delays that stretched back to the Springfield Interchange earlier in the morning had cleared up by 9:30 a.m.

The outer loop of the Beltway is pretty slow near Alexandria. Both loops of the Beltway are congested but moving near Connecticut Avenue and University Boulevard in Maryland. There is also still some congestion in both directions near Pennsylvania Avenue in Maryland, and while it’s slow, this has also eased slightly from earlier in the morning.

Traffic remains heavy on the 14th Street Bridge entering Southwest Washington. The Sousa Bridge and the Douglass Bridge, which were both congested earlier in the morning, are also significantly smoother rides right now.

Beltway lanes reopen in Virginia

A stretch of the Capital Beltway near Alexandria was closed on Thursday night due to flooding, standing motorists and causing major delays. Traffic is moving through this area once again. There is still some flooding reported around the Springfield Interchange, but traffic is moving in all four directions from this spot.

Wilson Bridge lanes are open

All lanes are open on the Wilson Bridge. People had been detoured on the Maryland side last night due to to flooding on the Virginia side of the Beltway, but those lanes reopened before midnight last night.

Normal Fairfax Connector Service

There will be some minor detours along southern routes, but it will be running normal service.

G.W. Parkway has reopened

The G.W. Parkway closed on Thursday evening due to some flooding in Alexandria, but it reopened last night, according to the U.S. Park Police.

Fairfax County road closures:

— Braddock Road at Old Lee Road

— Compton Road east Of Union Mill

— Route 1 and Old Mill Road

— Sacramento Drive and Route 7100

— Swinks Mill between Old Dominion and Route 193

— Swinks Mill between Balls Hill Route 193

— Old Dominion Drive and I-495

— Towlston between Old Dominion and Route 193

— Walker Road and Walker Mill

— Beach Mill Road between Utterback and Springvale Road

— Hunter Mill between Lawyers Road and Hunter Station

— Leigh Mill Road and Kelso Road

— Carpers Farm Way and Route 7

— Hunter Mill Road and Chamberlain Drive

— Beech Mill Road between Olympia & Goldsmith

— Route 7100 under Telegraph Road

— Route 1 and Cook Inlet and Route 7100

— Telegraph Road between Lockport Place and Route 7100

— Lorton Road between Windemere and Furnace

— Alban Road and Terra Woods Drive

— Ramps from and to Fullerton Road from Route 7100 northbound

— Route 7100 and Boudinot

— Hooes Road and Whitlers Creek Court

— Lorton Road between Route 123 and Furnace

— 9108 Ridgely Road

— Birch Cliff Drive and Hampton Road

— Miller Road and Westhurst Lane

— Fox Mill Road and Fox Mill Manor

— Lawyers and Hunter Mill and Galloping Way

Alexandria road closures [updated Friday at 9:30 a.m.]

— Eisenhower Avenue, which was closed due to flooding, reopened on Friday morning.

— Edsall Road at Yoakum Parkway remains closed

— South Pickett Street at Van Dorn Street remains closed

— The Dora Kelly Trail east from Chambliss to Beauregard and Morgan is closed due to flooding.

— The Holmes Run Trail from Beauregard east to Holmes Run Parkway (under Van Dorn and I-395) is closed due to flooding.

Montgomery County road closures

— Beach Drive between Knowles Avenue and Stoneybrook Road and between East-West Highway and Porter Street NW

— Laytonsville Rdoad before Rocky Road

— The 25400 block of Old Hundred Road

— Comus Road between the County Line and Peach Tree Road

— Partnership and Sugarland roads

— Bradley Boulevard between Seven Locks Road and Kentsdale Road

— Kendale Road between Kentsdale Road and Bradley Boulevard

— Game Preserve Road at Frederick Rd

— Riffleford Road between Darnestown Road and Germantown Road

— Warfield Road between Goshen Road and East Village Avenue

— Goshen Road between Plum Creek Lane and Warfield Road

— Frederick Road and Hyattstown Station

— Frederick Road and Crogan Road

Prince George’s County road closures

— Water Street north of MD 4

— MD 725 between U.S. 1 and MD 202

— U.S. 301 between MD 725 and MD 4

— MD 381/Mattawoman Drive to Missouri Avenue

— Floral Park Road at Windbrook Drive

— Northound MD 301 at MD 214

— MD 301 at MD 214

— Floral Park Road between Windbrook Drive and Danville Road, Clinton

— Governor Oden Bowie Drive, Upper Marlboro

— Judges Drive, Upper Marlboro

— Croom Station Road at the bridges in both directions, Upper Marlboro

— Governor Bridge Road, Bowie

— South Springfield Road at Accokeek Road, Clinton

— The 11700 block of Brandywine Road, Brandywine

— Baden-Naylor Road at Molley Berry

— McKendree Road at MD 373 and Mister Road

Erica Morrison and Maggie Fazeli Fard contributed to this post.