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Longest Bridges in the USA: What RVers Should Know

Ever found yourself cruising along a scenic highway, only to hit a stretch of road that seems to float above the water for miles?

Yep, I’m talking about those jaw-droppingly long bridges that connect one part of the country to another.

They’re not just engineering marvels; they’re also essential routes for us RVers. Here’s the lowdown on the longest bridges in the USA and what you need to know when crossing them.

The Lake Pontchartrain Causeway

Let’s kick things off with the granddaddy of all long bridges: the Lake Pontchartrain Causeway in Louisiana. Stretching a whopping 24 miles, this bridge holds the title of the longest continuous bridge over water in the world. Connecting Metairie and Mandeville, it’s a must-know for anyone road-tripping through the South.

What RVers Should Know:

  • Toll Fees: There’s a toll for southbound traffic (from Mandeville to Metairie), but northbound travel is free. The fee for RVs is typically higher, so be prepared.
  • Weather Conditions: Fog can be a common occurrence, especially in the early morning. Keep an eye on weather reports and drive with caution.
  • Fuel Up: Ensure your tank is full before you hit the bridge, as there are no stops along the way.
Sunset along Lake Pontchartrain with a gazebo in the foreground.

The Chesapeake Bay Bridge-Tunnel

Next up, we have the Chesapeake Bay Bridge-Tunnel, connecting Virginia Beach to the Eastern Shore of Virginia. This 17.6-mile masterpiece isn’t just a bridge; it’s also a tunnel, offering a unique driving experience.

What RVers Should Know:

  • Toll Fees: This bridge-tunnel combo also has tolls, and RV rates vary. Check the latest fees online before you go.
  • Height Restrictions: Make sure your RV meets the height requirements, especially for the tunnel sections.
  • Rest Areas: There’s a rest area with a fishing pier about halfway across. It’s a great spot to stretch your legs and take in the views.

The Seven Mile Bridge

Florida’s Seven Mile Bridge connects Knight’s Key in the Middle Keys to Little Duck Key in the Lower Keys. It’s part of the famous Overseas Highway, and it’s a bucket-list drive for many RVers.

What RVers Should Know:

  • No Toll Fees: Good news – there are no tolls on this bridge!
  • Wind Conditions: The bridge can be windy, so keep both hands on the wheel and stay alert.
  • Scenic Views: The stunning ocean views make this drive unforgettable. Plan to travel during daylight to fully appreciate the scenery.

The Atchafalaya Basin Bridge

Back in Louisiana, the Atchafalaya Basin Bridge spans 18.2 miles over the largest swamp in the USA. It’s part of I-10 and offers a unique swampy landscape.

What RVers Should Know:

  • Speed Limits: The speed limit is reduced on this bridge, so don’t be in a rush.
  • Rest Areas: There are no rest areas on the bridge itself, but there are spots nearby where you can pull over if needed.
  • Wildlife Sightings: Keep an eye out for wildlife – you might spot some interesting creatures in the surrounding swamp.

The San Mateo-Hayward Bridge

In California, the San Mateo-Hayward Bridge spans 7 miles across the San Francisco Bay, connecting the San Francisco Peninsula with the East Bay.

What RVers Should Know:

  • Toll Fees: Tolls are collected for westbound traffic. Check the latest toll rates for RVs before you travel.
  • Traffic Conditions: This bridge can get pretty busy, especially during rush hour. Plan your crossing during off-peak times if possible.
  • Wind Advisory: The bridge can be windy, so be prepared for gusts, especially in larger RVs.

The Verrazzano-Narrows Bridge

The Verrazzano-Narrows Bridge connects Staten Island and Brooklyn in New York City. At 2.7 miles, it’s the longest suspension bridge in the Americas.

What RVers Should Know:

  • Toll Fees: Tolls are collected in both directions, with higher rates for RVs.
  • Clearance Heights: Make sure your RV complies with height restrictions, especially if you have rooftop accessories.
  • City Driving: Navigating through NYC can be a challenge, so plan your route carefully and avoid peak traffic times.

The I-10 Mobile Bay Bridge and Tunnel

Now, let’s talk about the I-10 Mobile Bay Bridge in Alabama, which leads into the George Wallace Tunnel. This bridge-tunnel combo is a key route for anyone traveling along the Gulf Coast. The bridge spans 7.5 miles, while the tunnel adds just over half a mile to the journey.

What RVers Should Know:

  • Tunnel Entry: The steep descent into the tunnel can be a bit daunting, so keep your speed in check and be prepared for a quick change in lighting conditions.
  • Traffic Alerts: The bridge and tunnel can get congested, especially during rush hours and holiday weekends. Check traffic updates to avoid delays.
  • Height and Width Restrictions: Make sure your RV meets the height and width requirements for the tunnel to ensure a smooth passage.

These Bridges Can Be Scary and Should Sometimes Be Avoided in an RV

Long bridges are more than just routes from point A to point B; they’re part of the adventure, offering stunning views and unique driving experiences.

Whether you’re heading south to the bayou, cruising through the Keys, or tackling the urban sprawl of NYC, knowing what to expect can make your journey smoother and more enjoyable.

So, next time you hit the road, embrace the bridge crossings and enjoy the ride, my fellow RVers!

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