If you drive a big-rig truck or tow a camper or boat across any of the Bay Area bridges, be prepared to pay more in tolls — a lot more.

Starting July 1, tolls for vehicles or towing combinations with three or more axles will pay $5 an axle for crossing any of the seven state-owned toll bridges and $6 an axle to cross the Golden Gate Bridge.

So to  use the Antioch, Benicia-Martinez, Carquinez, Dumbarton, Richmond-San Rafael, San Francisco-Oakland Bay and San Mateo-Hayward bridges, the tolls will be:

–3 axles: Now $10.50; as of July 1, $15

— 4 axles: Now $14; as of July 1, $20

–5 axles: Now $18; as of July 1, $25

–6 axles: Now $21; as of July 1, $30

–7 or more axles: Now $24.25; as of July 1, $35

For the Golden Gate Bridge, the tolls will be:

–3 axles: Now $13; as of July 1, $18

–4 axles: Now $18; as of July 1, $24

–5 axles: Now $22; as of July 1, $30

–6 axles: Now $27; as of July 1, $36

–7 or more axles: Now $31; as of July 1, $42

However, if you use FasTrak on the Golden Gate, you’ll get $1 off per axle.

The Bay Area Toll Authority raised the tolls on the state-owned bridges to help finance earthquake retrofits of the Antioch and Dumbarton bridges, to cover higher debt financing and to make up for a drop in revenue resulting from fewer people using the bridges since the recession hit.

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