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LA State Hwy 407 Bridge

Fixed · Fixed

LA State Hwy 407 Bridge is a fixed bridge with 30 ft of vertical clearance; the chart data does not say clearly what it is measured to.

Vertical clearance
30 ft
datum not stated
Horizontal
76 ft
channel width
Location
29.905°, -89.986°
Louisiana

Clearances are from NOAA chart US5MSYAE, which does not say clearly what they are measured to. Actual clearance is lower whenever the water stands above the chart's reference level. Always confirm against your vessel's air draft and the posted clearance gauge before transiting.

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LA State Hwy 407 Bridge on the chart

Find the bridge and its charted vertical clearance in one view. Select a pin to compare nearby bridges, see open and closed clearances where charted, and open its operating details.

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Selected location: LA State Hwy 407 Bridge, 29.9054°N · 89.9857°W.

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Pathr checks LA State Hwy 407 Bridge and every bridge on your route against your boat's air draft, using NOAA charted clearance (automatic route planning is Premium). Free on iPhone and Android. Two months of Premium free.

Frequently asked

What is the clearance under LA State Hwy 407 Bridge?+

LA State Hwy 407 Bridge is a fixed bridge with 30 ft of vertical clearance; the chart data does not say clearly what it is measured to. These figures are from NOAA chart data. Real clearance drops whenever the water stands above the level they are measured to, so leave a margin for your air draft.

Tides & conditions at this crossing

Clearance under LA State Hwy 407 Bridge shrinks as the water rises. Check the water level and marine conditions at the nearest NOAA station, Michoud Substation, ICWW (8 mi away).

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