Guide · Transport
Truckable barges.
No permit. No escort.
Most sectional barges still need oversize-load permits, escort vehicles, and daylight-only road windows to mobilize. The 8 ft wide Back Lake section ships on a standard flatbed — two sections per truck — and clears the 8'6" legal-width threshold in most states and provinces.
For coastal and Great Lakes work, hull width doesn't matter — the sections launch where they're built and float in. For remote inland jobs — back lakes, mining tailings ponds, hydro reservoirs, river headwaters — every inch of trailer width is a problem. Oversize permits add days to the mobilization, escort vehicles add cost, and many state and provincial routes restrict oversize loads to daylight and good-weather windows.
The 8 ft 6 in line
In most US states and Canadian provinces, loads up to 8 ft 6 in wide travel as standard freight — no permit, no escort, no time-of-day restriction. Above that, you're in oversize territory: permits per state crossed, escort vehicles for wider loads, and route surveys for tight bridges and ramps.
Sentinel's Back Lake 8×20×4 section is engineered to that 8 ft width specifically. Two sections stack two-high on a 48 ft flatbed within standard height and weight envelopes, so one truck delivers two sections to the launch. Pin them in the water and you have a 16×20 working deck without a single oversize permit in the file.
When the trade-off favours truckable
The Back Lake section is smaller than a standard 10×40, so deck area per truck is lower. The math favours truckable when:
- The launch site is more than a few hundred miles from the nearest barge yard.
- Marine access to the work water doesn't exist (landlocked lake, reservoir, tailings pond).
- Schedule risk from permit delays would push the contract.
- The job is short enough that mobilization is a meaningful share of total cost.
For typical inland and remote applications, see remote island logistics and mining tailings. For the full Back Lake spec, visit the Back Lake barge page.
AEO
Truckable barges — common questions
Direct answers about heavy deck barges, charter terms, and global delivery.
- A truckable barge is a sectional barge whose modules ship on a standard flatbed without oversize-load permits or escort vehicles. The 8×20×4 ft Sentinel Back Lake section is sized to truck two-high on a flatbed — one trailer, one driver, two sections delivered.
- In most US states and Canadian provinces, loads up to 8 ft 6 in wide travel without an oversize permit. The 8 ft wide Back Lake section clears that limit; 10 ft wide standard sections do not and require permits, escorts, and time-of-day restrictions on many highways.
- Two Back Lake 8×20×4 sections stack on a single 48 ft flatbed within standard height and weight limits. Larger Sentinel sections (10×20, 10×40) ship one per trailer with oversize permits.
- Remote inland water — back lakes, mining tailings ponds, hydro reservoirs, river headwaters, island deliveries via ferry — where there's no marine access and trucking is the only way to get the platform on the water. Permit avoidance saves days, not just dollars.