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Union Pacific Railroad Lift Bridge

Lift drawbridge

Union Pacific Railroad Lift Bridge is a lift drawbridge with 70 ft of clearance closed, measured to mean high water. Open, it is charted at 135 ft.

Closed clearance
70 ft
at mean high water
Open clearance
135 ft
span open
Horizontal
291 ft
channel width
Location
38.039°, -122.121°
California

Clearances are from NOAA chart US5CA41M, measured to mean high water. Actual clearance is lower whenever the water stands above that level, as at higher tides and in storm surge. Always confirm against your vessel's air draft and the posted clearance gauge before transiting.

Pathr nautical charts

Union Pacific Railroad Lift 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: Union Pacific Railroad Lift Bridge, 38.0386°N · 122.1208°W.

How to request an opening

Hail on VHF-FM
Channel not listed
not in the bridge's rule
Bridge tender
Sound signal
No published phone. Use VHF or a horn signal.
Advance notice
24 hr
call ahead
Operating schedule

The draws of the Union Pacific railroad bridge, mile 1.5 at Suisun, shall open on signal if at least 24 hours notice is given.

Source: US Coast Guard drawbridge regulations, 33 CFR 117.151 (Cordelia Slough (a tributary of Suisun Bay)). Confirm before transiting.

Know every bridge before you get there

Pathr checks Union Pacific Railroad Lift 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 Union Pacific Railroad Lift Bridge?+

Union Pacific Railroad Lift Bridge is a lift drawbridge with 70 ft of clearance closed, measured to mean high water. Open, it is charted at 135 ft. 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.

How do I get Union Pacific Railroad Lift Bridge to open?+

Contact the bridge tender on VHF-FM, or sound the required signal. This bridge requires at least 24 hours advance notice. Operating schedule: The draws of the Union Pacific railroad bridge, mile 1.5 at Suisun, shall open on signal if at least 24 hours notice is given.

Tides & conditions at this crossing

Clearance under Union Pacific Railroad Lift Bridge shrinks as the water rises. Check the water level and marine conditions at the nearest NOAA station, Martinez-Amorco Pier (0 mi away).

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