Bay Area Toll Authority

 

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Antioch Bridge

FACTS AT A GLANCE

LOCATION: State Route 160 between Contra Costa and Sacramento counties

STRUCTURE: Steel plate girder

LENGTH: 1.8 miles

VERTICAL CLEARANCE: 135 feet

CHANNEL SPAN: 460 feet

OPENED:

  • Original structure: January 1926 (replaced)

  • New Structure: December 1978

COST:

  • 1926 Structure:
    $2 million

  • 1978 Structure:
    $34 million

AUTO TOLL: $4

COLLECTION: One way, northbound in Antioch

TRAFFIC LANES: One lane in each direction

FY 2005-06 TOTAL TOLL-PAID VEHICLES: 2,478,223

FY 2005-06 TOTAL BASE TOLLS COLLECTED: $3,682,225

Antioch Bridge
Least-traveled and probably least known of the region's toll bridges, the Antioch also is the only bridge to reach outside the nine-county Bay Area. From Antioch in northeastern Contra Costa County, the bridge arches over the San Joaquin River, touching down in Sacramento County.

Until recently, travel across the Antioch Bridge has remained relatively stable, but growth in the city of Antioch and nearby Contra Costa towns such as Pittsburg and Brentwood is now causing traffic on the Antioch Bridge to increase at a faster rate than on any other of the region's toll bridges.

One of the newest of the toll bridges, the Antioch Bridge is one of only two (the other being the Dumbarton) that were determined by Caltrans to not need seismic retrofit work. The Antioch Bridge also shares another distinction with the Dumbarton — the two are the only state-owned bridges that currently have bicycle and pedestrian access. There are no plans at the present time to widen the Antioch Bridge.