State profile · Below median Poor share

California bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in California, based on the FHWA National Bridge Inventory.

27,040
Public bridges
32.5%
Good condition
4.6%
Poor condition

Data updated May 2026

Total Bridges

27,040

Public highway bridges in California

Good Condition

32.5%

8,777 bridges rated 7-9

-17.5pp vs 50% benchmark

Poor Condition

4.6%

1,244 bridges whose lowest applicable component is rated 0-4

-2.4pp vs national avg 7.0%

California vs national bridge condition

California - Good condition share 32.5%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

California - Poor-condition share 15.3%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

California vs nearby ranks

Adjacent states by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below California on the same metric.

OH

Ohio

4.54% top marginal rate
Structure
Progressive
Burden @ $100K
$26,753

NJ

New Jersey

4.59% top marginal rate
Structure
Progressive
Burden @ $100K
$6,796
Selected

CA

California

4.60% top marginal rate
Structure
Progressive
Burden @ $100K
$27,040

AR

Arkansas

4.71% top marginal rate
Structure
Progressive
Burden @ $100K
$5,544

WA

Washington

4.81% top marginal rate
Structure
Progressive
Burden @ $100K
$8,808

Bridges Needing Most Attention in California

Six lowest-condition bridges in California, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in California

HILLCREST AVE

Good

Over: CONTRA COSTA CANAL

1.6 MI S SH 4, Contra Costa, CA

Built 1990 Load: 32.4 t ADT: 9,500

EMPIRE AVE

Good

Over: CONTRA COSTA CANAL

0.01 MI N LAUREL RD, Contra Costa, CA

Built 1994 Load: 32.4 t ADT: 14,901

DIABLO SHADOW DR

Good

Over: PINE CREEK

0.1 MI E OAK GROVE RD, Contra Costa, CA

Built 1975 Load: 32.4 t ADT: 1,900

VALLEY VISTA RD

Good

Over: PINE CREEK

0.1 MI E OAK GROVE RD, Contra Costa, CA

Built 1989 Load: 32.4 t ADT: 2,400

SUNSHINE DR

Good

Over: PINE CREEK

0.2 MI NE MEADOW LN, Contra Costa, CA

Built 1982 Load: 32.4 t ADT: 500

VASCO ROAD

Good

Over: BRUSHY CREEK

7.1 MI S/O WALNUT BLVD, Contra Costa, CA

Built 1996 Load: 32.4 t ADT: 19,806

VASCO ROAD

Good

Over: BRUSHY CREEK

5.1 MI S WALNUT BLVD, Contra Costa, CA

Built 1996 Load: 32.4 t ADT: 19,806

VASCO ROAD

Good

Over: UNIMAN/FRISK CREEK

3.4 MI S WALNUT BLVD, Contra Costa, CA

Built 1996 Load: 32.4 t ADT: 19,806

VASCO ROAD

Good

Over: KELLOGG CREEK

0.1 MI S WALNUT BLVD, Contra Costa, CA

Built 1996 Load: 32.4 t ADT: 17,424

BOLLINGER CANYON

Good

Over: EAST BRANCH ALAMO CREEK

JUST S OF HARCOURT RD, Contra Costa, CA

Built 2006 Load: 32.4 t ADT: 5,000

WATERMILL ROAD

Good

Over: EAST BRANCH ALAMO CREEK

JUST S. OF HARCOURT WAY, Contra Costa, CA

Built 2006 Load: 32.4 t ADT: 500

WINDEMERE PARKWAY

Good

Over: EAST BRANCH ALAMO CREEK

0.6 MI E. BOLLINGER PKWY, Contra Costa, CA

Built 2006 Load: 32.4 t ADT: 2,000

WINDEMERE PARKWAY

Good

Over: ALAMO CREEK SOUTH FORK

1 MI E. BOLLINGER PKWY, Contra Costa, CA

Built 2005 Load: 32.4 t ADT: 2,000

BOLLINGER CANYON

Good

Over: MAIN BRANCH ALAMO CREEK

1 MI E CROW CANYON RD, Contra Costa, CA

Built 2006 Load: 32.4 t ADT: 5,000

BOLLINGER CANYON

Good

Over: WEST BRANCH ALAMO CREEK

0.1 MI W. OF DOUGHERTY RD, Contra Costa, CA

Built 2005 Load: 32.4 t ADT: 2,760

BOLLINGER CANYON R

Good

Over: E BRANCH PKWY

.1 MI S OF E BRANCH PKWY, Contra Costa, CA

Built 2005 Load: 32.4 t ADT: 5,000

WINDEMERE PARKWAY

Good

Over: CAMINO TASSAJARA

.3 MI W. CAMINO TASSAJARA, Contra Costa, CA

Built 2007 Load: 32.4 t ADT: 2,000

CASABLANCA ROAD

Good

Over: SHADOW CREEK

.1 MI W OF CREEKVIEW PL., Contra Costa, CA

Built 2006 Load: 32.4 t ADT: 1,000

SOMERSVILLE ROAD

Good

Over: CONTRA COSTA CANAL

0.35 MI SW BUCHANAN RD, Contra Costa, CA

Built 2009 Load: 32.4 t ADT: 13,686

DOUGHERTY ROAD

Good

Over: WEST BRANCH ALAMO CREEK

0.2 MI S. OF BOLLINGER CY, Contra Costa, CA

Built 2015 Load: 32.4 t ADT: 2,760

SUNSET ROAD

Good

Over: MARSH CREEK

1/10 MI E BRENTWOOD BLVD, Contra Costa, CA

Built 2005 Load: 32.4 t ADT: 5,800

SAND CREEK ROAD

Good

Over: MARSH CREEK

AT O'HARA AVE, Contra Costa, CA

Built 2002 Load: 32.4 t ADT: 20,000

ORWOOD ROAD

Good

Over: WERNER DREDGER CUT

2 MI. E. OF BYRON HWY, Contra Costa, CA

Built 2016 Load: 32.4 t ADT: 1,164

SAN PABLO AVE

Good

Over: RODEO CREEK

AT PARKER STREET, Contra Costa, CA

Built 2015 Load: 32.4 t ADT: 3,294

MARSH CREEK ROAD

Good

Over: MARSH CREEK

0.2 MI E OF ASPARA DRIVE, Contra Costa, CA

Built 2018 Load: 32.4 t ADT: 5,637

CO. JAIL ACCESS RD

Good

Over: MARSH CREEK

0.25 MI. S. MARSH CR. RD, Contra Costa, CA

Built 2014 Load: 32.4 t ADT: 150

CANAL ROAD

Good

Over: CONTRA COSTA CANAL

0.5 MI. W OF BAILEY ROAD, Contra Costa, CA

Built 2018 Load: 32.4 t ADT: 3,010

13TH ST

Good

Over: WILDCAT CREEK

0.1 MI S OF BROOKSIDE DR., Contra Costa, CA

Built 1994 Load: 32.4 t ADT: 25,106

BANCROFT ROAD

Good

Over: CONTRA COSTA CANAL

0.2 MI S TREAT BLVD, Contra Costa, CA

Built 1968 Load: 32.4 t ADT: 29,800

GREGORY LN

Good

Over: GRAYSON CREEK

0.4 MI W CONTRA COSTA BL, Contra Costa, CA

Built 1959 Load: 32.4 t ADT: 10,000

TREAT BLVD

Good

Over: CONTRA COSTA CANAL

0.1 MI E SAN MIGUEL RD, Contra Costa, CA

Built 1970 Load: 32.4 t ADT: 18,245

DETROIT AVE

Good

Over: PINE CREEK

AT WHITMAN RD, Contra Costa, CA

Built 1960 Load: 32.4 t ADT: 4,493

CHILPACINGO PARKWY

Good

Over: GRAYSON CREEK

0.1 MI W CONTRA COSTA BL, Contra Costa, CA

Built 1969 Load: 32.4 t ADT: 10,810

CHRISTEN DR

Good

Over: CONTRA COSTA CANAL

0.04 MI S THIRD AVE, Contra Costa, CA

Built 1990 Load: 32.4 t ADT: 3,200

COWELL ST

Good

Over: GALINDO CREEK

0.05 MI S BABEL LANE, Contra Costa, CA

Built 1978 Load: 32.4 t ADT: 9,000

VIEWPOINTE BLVD

Good

Over: RODEO CREEK

0.1 MI E WILLOW AVE, Contra Costa, CA

Built 1974 Load: 32.4 t ADT: 8,599

DIABLO RD

Good

Over: GREEN VALLEY CREEK

0.2 MI E EL CERRO BLVD, Contra Costa, CA

Built 1959 Load: 32.4 t ADT: 14,013

SYCAMORE VALLEY RD

Good

Over: SYCAMORE CREEK

0.2 MI W CAMINO TASSAJARA, Contra Costa, CA

Built 1974 Load: 32.4 t ADT: 28,237

VIA DORA DRIVE

Good

Over: CONTRA COSTA CANAL

AT HILLCREST AVENUE, Contra Costa, CA

Built 1984 Load: 32.4 t ADT: 1,500

CENTRAL BLVD

Good

Over: MARSH CREEK

0.1 MI W ESTATES DR, Contra Costa, CA

Built 1991 Load: 32.4 t ADT: 6,700

WILLOW PASS ROAD

Good

Over: CONTRA COSTA CANAL

0.1MI SW PORT CHICAGO HWY, Contra Costa, CA

Built 1994 Load: 32.4 t ADT: 19,000

RICHMOND PARKWAY

Good

Over: PARKWAY WETLANDS

3.6 MI SW OF I-80, Contra Costa, CA

Built 1995 Load: 32.4 t ADT: 27,000

SOMERSVILLE ROAD

Good

Over: WEST ANTIOCH CREEK

0.05 MI W OF "O" STREET, Contra Costa, CA

Built 1992 Load: 32.4 t ADT: 6,000

ARMSTRONG ROAD

Good

Over: BRUSHY CREEK

0.3 MI W BYRON HOT SPRING, Contra Costa, CA

Built 1998 Load: 32.4 t ADT: 380

BETHEL ISLAND ROAD

Good

Over: DUTCH SLOUGH

1.5 MI N. OF E CYPRESS RD, Contra Costa, CA

Built 2010 Load: 32.4 t ADT: 5,881

EL PORTAL DRIVE

Good

Over: SAN PABLO CREEK

0.1 MI EAST OF I-80, Contra Costa, CA

Built 2013 Load: 32.4 t ADT: 10,500

PITTSB-ANTIOCH HWY

Good

Over: KIRKER CREEK

0.6 MI E OF HARBOR ST, Contra Costa, CA

Built 2005 Load: 32.4 t ADT: 10,610

MANZANITA DRIVE

Good

Over: SAN PABLO CREEK

0.2 MI E OF CAMINO PABLO, Contra Costa, CA

Built 2014 Load: 32.4 t ADT: 612

DEER VALLEY ROAD

Good

Over: CONTRA COSTA CANAL

1 MI. S. OF HWY 4, Contra Costa, CA

Built 1988 Load: 32.4 t ADT: 1,000

BARMOUTH DRIVE

Good

Over: CONTRA COSTA CANAL

0.4 MI. S.OF DAVISON RD, Contra Costa, CA

Built 1985 Load: 32.4 t ADT: 500

Showing 20,151-20,200 of 27,040 bridges

Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.