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%.

Condition Distribution

California45.2%48.3%GoodFairPoor
Bridge inventory deck-condition mix - California (FHWA NBI)

Counties (58)

Alameda 800 Alpine 32 Amador 62 Butte 441 Calaveras 106 Colusa 211 Contra Costa 686 Del Norte 96 El Dorado 196 Fresno 929 Glenn 242 Humboldt 398 Imperial 448 Inyo 67 Kern 686 Kings 168 Lake 129 Lassen 108 Los Angeles 3937 Madera 250 Marin 217 Mariposa 109 Mendocino 357 Merced 532 Modoc 87 Mono 49 Monterey 390 Napa 160 Nevada 135 Orange 1224 Placer 347 Plumas 170 Riverside 1142 Sacramento 775 San Benito 76 San Bernardino 1465 San Diego 1707 San Francisco 170 San Joaquin 666 San Luis Obispo 408 San Mateo 393 Santa Barbara 429 Santa Clara 1041 Santa Cruz 203 Shasta 500 Sierra 65 Siskiyou 423 Solano 383 Sonoma 613 Stanislaus 390 Sutter 120 Tehama 452 Trinity 194 Tulare 599 Tuolumne 128 Ventura 511 Yolo 282 Yuba 136

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.

SPRING CREEK RD

Poor

Over: FALL RIVER

0.5 MI N OF MCARTHUR RD, Shasta, CA

Built 1950 Load: 2.7 t ADT: 50

ORESTIMBA ROAD

Poor

Over: CCID MAIN CANAL

0.1 MI E DRAPER RD, Stanislaus, CA

Built 1919 Load: 2.9 t ADT: 684

CLARK STREET

Poor

Over: M.I.D. CANAL

0.1 MI WEST OF ROAD 26.0, Madera, CA

Built 1955 Load: 3.2 t ADT: 200

GULLING STREET

Poor

Over: MIDDLE FORK FEATHER RIV

0.2 MI S SH 70, Plumas, CA

Built 1954 Load: 3.2 t ADT: 10,046

AVENUE 10

Poor

Over: COTTONWOOD CREEK

JUST E/O ROAD 23, Madera, CA

Built 1950 Load: 3.6 t ADT: 50

S BISHOP AVE

Poor

Over: CRESCENT DITCH

0.64 MI S/O MT WHITNEY AV, Fresno, CA

Built 1950 Load: 3.9 t ADT: 125

All Bridges in California

CONTRA COSTA BL NB

Unknown

Over: CONTRA COSTA-S680 ON RMP

04-CC-680-R17.44-PLHL, Contra Costa, CA

Built 1998 ADT: 25,000

N680-CC BLVD RAMP

Unknown

Over: INTERSTATE 680

04-CC-680-R17.40-PLHL, Contra Costa, CA

Built 1998 ADT: 235,000

WILLOW AVE

Unknown

Over: STATE ROUTE 4

04-CC-004-R0.71-HER, Contra Costa, CA

Built 1997 ADT: 40,500

INTERSTATE 680 NB

Unknown

Over: UPRR,MARINA VISTA,MOCOCO

04-CC-680-24.26, Contra Costa, CA

Built 2006 ADT: 500

CLAEYS LANE

Unknown

Over: STATE ROUTE 4

04-CC-004-R1.70, Contra Costa, CA

Built 2001 ADT: 42,500

INTERSTATE 80 WB

Unknown

Over: SAN PABLO, ETC., UP RR

04-CC-080-13.62-VAL, Contra Costa, CA

Built 2003 ADT: 2,020

POMONA ST-WB 80 ON

Unknown

Over: WANDA, POMONA, VIRGINIA

04-CC-080-13.48, Contra Costa, CA

Built 2003 ADT: 7,353

EB80-POMONA ST OFF

Unknown

Over: POMONA ST, WANDA ST

04-CC-080-13.48, Contra Costa, CA

Built 2003 ADT: 1,500

STATE ROUTE 4

Unknown

Over: SAN JOSE AVENUE

04-CC-004-M34.90, Contra Costa, CA

Built 2003 ADT: 450

STATE ROUTE 4 EB

Unknown

Over: SAN JOSE AVENUE

04-CC-004-M34.90, Contra Costa, CA

Built 2013 ADT: 450

STATE ROUTE 4 WB

Unknown

Over: SAND CREEK ROAD

04-CC-004-M34.50, Contra Costa, CA

Built 2014 ADT: 5,000

STATE ROUTE 4 EB

Unknown

Over: SAND CREEK ROAD

04-CC-004-M34.50, Contra Costa, CA

Built 2013 ADT: 5,000

HARBOR STREET

Unknown

Over: STATE ROUTE 4

04-CC-004-23.41-PIT, Contra Costa, CA

Built 2003 ADT: 114,000

RAILROAD AVENUE

Unknown

Over: STATE ROUTE 4

04-CC-004-23.04-PIT, Contra Costa, CA

Built 2004 ADT: 127,000

CALIFORNIA STREET

Unknown

Over: INTERSTATE 80

04-CC-080-11.34, Contra Costa, CA

Built 2006 ADT: 115,000

E4-N160 CONNECTOR

Unknown

Over: STATE ROUTE 4

04-CC-004-R30.20-ANT, Contra Costa, CA

Built 2005 ADT: 45,000

LAUREL ROAD

Unknown

Over: STATE ROUTE 4

04-CC-004-R31.37-ANT, Contra Costa, CA

Built 2008 ADT: 40,000

STATE ROUTE 4 WB

Unknown

Over: LONE TREE WAY

04-CC-004-R32.94-BTWD, Contra Costa, CA

Built 2008 ADT: 22,300

STATE ROUTE 4 EB

Unknown

Over: LONE TREE WAY

04-CC-004-R32.90-BTWD, Contra Costa, CA

Built 2013 ADT: 22,300

LOVERIDGE ROAD

Unknown

Over: STATE ROUTE 4

04-CC-004-24.31-PIT, Contra Costa, CA

Built 2014 ADT: 114,000

WB ROUTE 4 OFFRAMP

Unknown

Over: SOMERSVILLE ROAD

04-CC-004-26.01-ANT, Contra Costa, CA

Built 2012 ADT: 65,000

STATE ROUTE 4 WB

Unknown

Over: SOMERSVILLE ROAD

04-CC-004-26.01-ANT, Contra Costa, CA

Built 2013 ADT: 65,000

STATE ROUTE 4 EB

Unknown

Over: SOMERSVILLE ROAD

04-CC-004-26.01-ANT, Contra Costa, CA

Built 2013 ADT: 65,000

STATE ROUTE 4 WB

Unknown

Over: CONTRA LOMA BLVD

04-CC-004-26.93-ANT, Contra Costa, CA

Built 2015 ADT: 12,445

STATE ROUTE 4 EB

Unknown

Over: CONTRA LOMA BLVD

04-CC-004-26.93-ANT, Contra Costa, CA

Built 2015 ADT: 12,445

G STREET

Unknown

Over: STATE ROUTE 4

04-CC-004-27.29-ANT, Contra Costa, CA

Built 2014 ADT: 114,000

STATE ROUTE 4 WB

Unknown

Over: A STREET

04-CC-004-R27.78-ANT, Contra Costa, CA

Built 2016 ADT: 28,921

STATE ROUTE 4 EB

Unknown

Over: A STREET

04-CC-004-R27.78-ANT, Contra Costa, CA

Built 2016 ADT: 28,921

STATE ROUTE 4 WB

Unknown

Over: CAVALLO ROAD

04-CC-004-R28.23-ANT, Contra Costa, CA

Built 2016 ADT: 10,000

STATE ROUTE 4 EB

Unknown

Over: CAVALLO ROAD

04-CC-004-R28.23-ANT, Contra Costa, CA

Built 2016 ADT: 10,000

PEDESTRIAN WALKWAY

Unknown

Over: INTERSTATE 80

04-CC-080-4.06-SPB, Contra Costa, CA

Built 2016 ADT: 179,000

PEDESTRIAN ACCESS

Unknown

Over: STATE ROUTE 4 WB

04-CC-004-R29.23-ANT, Contra Costa, CA

Built 2016 ADT: 47,000

S160-E4 CONNECTOR

Unknown

Over: E4-N160 CONNECT, UPRR

04-CC-160-L0.41R-ANT, Contra Costa, CA

Built 2016 ADT: 13,600

S160-E4 CONNECTOR

Unknown

Over: ROUTE 4

04-CC-160-L0.40R-ANT, Contra Costa, CA

Built 2016 ADT: 23,900

STATE ROUTE 4

Unknown

Over: BALFOUR ROAD

04-CC-004-R35.57-BTWD, Contra Costa, CA

Built 2018 ADT: 18,000

NONE

Unknown

Over: STATE ROUTE 160 NB

04-CC-160-0.70, Contra Costa, CA

Built 1978 ADT: 6,650

TOLL PLAZA CANOPY

Unknown

Over: INTERSTATE 680 NB

04-CC-680-R24.5R-MTZ, Contra Costa, CA

Built 2007 ADT: 99,000

BNSF,AMTRAK,UP RR

Unknown

Over: WILLOW PASS ROAD

0.1 MI N OF N PARKSIDE DR, Contra Costa, CA

Built 1918 ADT: 14,099

BNSF,AMTRAK,UP RR

Unknown

Over: WILLOW PASS ROAD

0.11 MI N/O N PARKSIDE DR, Contra Costa, CA

Built 1918 ADT: 14,099

BNSF RY & AMTRAK

Unknown

Over: SOLARI STREET

0.2 MI N OF CENTRAL AVE, Contra Costa, CA

Built 1925 ADT: 7,933

14TH ST

Unknown

Over: HARBOR STREET

0.1 MI SW CENTRAL AVENUE, Contra Costa, CA

Built 1990 ADT: 8,000

BNSF RY

Unknown

Over: PACHECO BLVD

1.0 MI N SR 4, Contra Costa, CA

Built 1920 ADT: 7,147

BARTD (C3009)

Unknown

Over: YGNACIO VALLEY RD

AT OAKLAND BLVD, Contra Costa, CA

Built 1970 ADT: 45,871

PIPELINES

Unknown

Over: SAN PABLO AVE

2 MI SW CARQUINEZ BR, Contra Costa, CA

Built 1925 ADT: 7,888

BARTD

Unknown

Over: SAN PABLO AVE

0.2 MI S/O MACDONALD AVE, Contra Costa, CA

Built 1969 ADT: 26,780

SHELL OIL CO PIPE

Unknown

Over: MARINA VISTA RD

0.3 MI NE PINE ST, Contra Costa, CA

Built 1935 ADT: 3,500

SHELL OIL CO PIPE

Unknown

Over: MARINA VISTA ROAD

0.6 MI NE PINE STREET, Contra Costa, CA

Built 1935 ADT: 3,500

PEDESTRIAN WALKWAY

Unknown

Over: MARINA VISTA

MARINA VISTA AT SHELL AVE, Contra Costa, CA

Built 1935 ADT: 3,500

BNSF RY & AMTRAK

Unknown

Over: ALHAMBRA AVENUE

0.1 MI S OF SR 4, Contra Costa, CA

Built 1935 ADT: 12,800

PLEASANT HILL RD

Unknown

Over: TAYLOR BLVD

0.6 MI E OF GEARY ROAD, Contra Costa, CA

Built 1956 ADT: 5,000

Showing 651-700 of 27,040 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
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.

Understanding Bridge Conditions

How FHWA rates bridge condition on a 0-9 scale.

Check Your Daily Bridges

How to look up bridge condition data for bridges on your route.

Read our methodology — how this data is sourced, computed, and verified.

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.