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The Mare
Island Causeway Bridge is located on the Napa
River in the center of the Causeway, which crosses
the Mare Island Strait at mile 2.8, Vallejo. The
Bridge is 165 feet long and 48.5 feet wide. It
provides crossing for vehicular, pedestrian and rail
traffic.
Minimum Clearance (Span down)
12.4 feet (based on High High Mean Water)
Maximum Clearance (fully raised)
99.7 Feet (based upon High High Mean Water, 87.3
feet maximum lift height plus 12.4 feet distance to
water)
Hours of Operation
The Mare Island Causeway Bridge is fully staffed
with Bridge Operators and will open on signal from
6:00 a.m. until 10:00 p.m., every day, including
Holidays. From 10:00 p.m. until 6:00 a.m. the Bridge
can be opened if at least two hours notice is given.
To give this notice, call the Fleming Hill Water
Treatment Plant at 707-648-4313.
Communications
During hours of operation you can request a Bridge
opening in the following manner:
| By Sound Signal--Sound signals can be made by
whistle, horn, megaphone, hailer or other device
capable of producing the described signals loud
enough to be heard by the Bridge Operator.
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| To request an opening, provide one prolonged
blast followed by one short blast. If we are able
to open, we will respond in like manner. If we
cannot open immediately, we will sound five short
blasts in rapid succession.
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| By Visual Signal--raise and lower a white flag
vertically or a white, amber or green light
vertically.
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| By Radio--call us on Marine Radio Channel 13
(156.650 MHz).
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| By Telephone--call the Bridge Control Room at
707-562-3556. |
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