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

MISSION OAKS BLVD

Good

Over: CALLEGUAS CREEK

0.5 MI W ADOLFO RD, Ventura, CA

Built 1997 Load: 32.4 t ADT: 10,000

MOORPARK ROAD

Good

Over: ARROYO SANTA ROSA

.84 MI S TIERRA REJADA RD, Ventura, CA

Built 2003 Load: 32.4 t ADT: 14,200

OLD CREEK ROAD

Good

Over: SAN ANTONIO CREEK

0.01 MI E/O RTE I33, Ventura, CA

Built 2011 Load: 32.4 t ADT: 150

GRIMES CANYON ROAD

Good

Over: GRIMES CANYON WASH

2.4 MI N/ STATE ROUTE 118, Ventura, CA

Built 2008 Load: 32.4 t ADT: 3,200

TELEPHONE RD

Good

Over: BROWN BARRANCA

0.1 MI W WELLS RD, Ventura, CA

Built 2005 Load: 32.4 t ADT: 11,599

POTRERO ROAD

Good

Over: SHERWOOD LAKE

AT STAFFORD RD, Ventura, CA

Built 1990 Load: 32.4 t ADT: 3,600

SEQUOIA AVENUE

Good

Over: ARROYO SIMI

0.1 MI S/O ROYAL AVENUE, Ventura, CA

Built 1997 Load: 32.4 t ADT: 7,000

HIDDEN RANCH ROAD

Good

Over: ARROYO SIMI

2.5 MI S/O LOS ANGELES AV, Ventura, CA

Built 2002 Load: 32.4 t ADT: 1,000

LOST CANYON DRIVE

Good

Over: TAPO CANYON DRAIN

0.1 MI W/O TAPO CANYON RD, Ventura, CA

Built 2001 Load: 32.4 t ADT: 2,000

YOSEMITE AVENUE

Good

Over: ARROYO LAS LLAJAS "N"

0.5 MI N/O EVENING SKY DR, Ventura, CA

Built 2002 Load: 32.4 t ADT: 2,500

YOSEMITE AVENUE

Good

Over: ARROYO LAS LLAJAS "I"

0.4 M N/O EVENING SKY DR, Ventura, CA

Built 2003 Load: 32.4 t ADT: 2,500

TELEGRAPH ROAD

Good

Over: ELLSWORTH BARRANCA

1.3 M E/O WELLS RD, Ventura, CA

Built 2012 Load: 32.4 t ADT: 3,200

DAVIDSON LANE

Good

Over: ARROYO SIMI

0.2 MI S LOS ANGELES AVE., Ventura, CA

Built 1970 Load: 32.4 t ADT: 150

OAK ROAD

Good

Over: ARROYO SIMI

0.2 MI S/LOS ANGELES AVE., Ventura, CA

Built 1970 Load: 32.4 t ADT: 100

CARMEN DRIVE

Good

Over: CAMARILLO HILLS DRAIN

0-.1 M S/O PONDEROSA DR., Ventura, CA

Built 2012 Load: 32.4 t ADT: 13,000

FLYNN RD.

Good

Over: SOMIS DRAIN

0.4 MI N/O I101, Ventura, CA

Built 1981 Load: 32.4 t ADT: 9,000

VIA ALONDRA

Good

Over: SOMIS DRAIN

0.1 MI SW/O MAYA LINDA ST, Ventura, CA

Built 1982 Load: 32.4 t ADT: 150

OXNARD BLVD

Good

Over: EL RIO DRAIN

500 FT N OF VINEYARD AVE, Ventura, CA

Built 1964 Load: 32.4 t ADT: 26,000

SANTA ANA BLVD

Good

Over: VENTURA RIVER

0.5 M W/O N. VENTURA AVE, Ventura, CA

Built 2022 Load: 32.4 t ADT: 2,500

CHANNEL ISLANDS DR

Good

Over: LONG GRADE CANYON CREEK

0.05 MI N ANACAPA ISLAND, Ventura, CA

Built 2006 Load: 32.4 t ADT: 700

UNIVERSITY DRIVE

Good

Over: LONG GRADE CANYON CREEK

0.8 MI E/O LEWIS RD, Ventura, CA

Built 2012 Load: 32.4 t ADT: 1,000

STATE ROUTE 16

Good

Over: CAPAY CANAL

03-YOL-016-25.15, Yolo, CA

Built 1991 Load: 32.4 t ADT: 11,200

STATE ROUTE 113

Good

Over: KNIGHTS LANDING RDGE CUT

03-YOL-113-M21.26, Yolo, CA

Built 1994 Load: 32.4 t ADT: 8,300

INTERSTATE 505

Good

Over: OAT CREEK

03-YOL-505-20.79, Yolo, CA

Built 1977 Load: 32.4 t ADT: 12,000

STATE ROUTE 113 SB

Good

Over: CFNR

03-YOL-113-R6.81, Yolo, CA

Built 1990 Load: 32.4 t ADT: 10,750

STATE ROUTE 113 NB

Good

Over: CFNR

03-YOL-113-R6.81, Yolo, CA

Built 1990 Load: 32.4 t ADT: 10,750

INTERSTATE 5

Good

Over: BRANCH BRETONA CREEK

03-YOL-005-R21.07, Yolo, CA

Built 1968 Load: 32.4 t ADT: 22,400

INTERSTATE 5

Good

Over: BIRD CREEK

03-YOL-005-R23.23, Yolo, CA

Built 1968 Load: 32.4 t ADT: 30,000

INTERSTATE 5

Good

Over: ADAMS DITCH

03-YOL-005-R13.27, Yolo, CA

Built 1950 Load: 32.4 t ADT: 23,500

INTERSTATE 5

Good

Over: ADAMS CREEK

03-YOL-005-R13.80, Yolo, CA

Built 1970 Load: 32.4 t ADT: 23,500

INTERSTATE 5

Good

Over: QUAKER DRAW

03-YOL-005-R16.32, Yolo, CA

Built 1970 Load: 32.4 t ADT: 23,500

INTERSTATE 5

Good

Over: WILLOW SPRING CREEK

03-YOL-005-R17.50, Yolo, CA

Built 1970 Load: 32.4 t ADT: 23,500

INTERSTATE 5

Good

Over: ZAMORA CREEK

03-YOL-005-R19.22, Yolo, CA

Built 1970 Load: 32.4 t ADT: 22,400

COUNTY ROAD 89

Good

Over: UNION SCHOOL SLOUGH

0.01 MI N/O C.R. #28, Yolo, CA

Built 1999 Load: 32.4 t ADT: 1,790

COUNTY ROAD 22

Good

Over: TULE CANAL

JUST WEST OF I-5 ON-RAMP, Yolo, CA

Built 2003 Load: 32.4 t ADT: 2,500

COUNTY ROAD 99W

Good

Over: WILLOW SPRING CREEK

AT INTERSECTION OF CR13, Yolo, CA

Built 1949 Load: 32.4 t ADT: 1,176

COVELL BOULEVARD

Good

Over: PS RR & BIKE PATH

1.3 MI EAST OF ROUTE 113, Yolo, CA

Built 1973 Load: 32.4 t ADT: 21,998

COUNTY ROAD 31

Good

Over: CHICKAHOMINY SLOUGH

0.7 MI W OF C.R. #95, Yolo, CA

Built 1983 Load: 32.4 t ADT: 4,885

COUNTY ROAD 85

Good

Over: SOUTH FORK OAT CREEK

0.4 MI N OF CR # 13, Yolo, CA

Built 2006 Load: 32.4 t ADT: 394

COUNTY ROAD 31

Good

Over: DRY SLOUGH

0.6 MI WEST OF CR #95, Yolo, CA

Built 1983 Load: 32.4 t ADT: 4,885

COUNTY ROAD 88

Good

Over: N FORK DUNNIGAN CREEK

0.7 MI N OF COUNTY ROAD 6, Yolo, CA

Built 1985 Load: 32.4 t ADT: 432

WEST CHILES ROAD

Good

Over: BIKE & PEDESTRIAN PATH

.2 MI SW OF RICHARD'S EX, Yolo, CA

Built 2000 Load: 32.4 t ADT: 115

JEFFERSON BLVD

Good

Over: MORTON BLACKER CANAL

JUST SOUTH OF BLACKER RD, Yolo, CA

Built 2005 Load: 32.4 t ADT: 19,015

C.R. #95

Good

Over: SOUTH FORK WILLOW SLOUGH

0.82 MI S OF C.R. #25, Yolo, CA

Built 2007 Load: 32.4 t ADT: 747

C.R. #89

Good

Over: SOUTH FORK WILLOW SLOUGH

0.22 MI N OF SR 16, Yolo, CA

Built 2007 Load: 32.4 t ADT: 523

COUNTY ROAD 29

Good

Over: SALT CREEK

2.8 MI W OF COUNTY RD 88, Yolo, CA

Built 2014 Load: 32.4 t ADT: 150

COUNTY ROAD 89

Good

Over: BUCKEYE CREEK

0.04 MI NORTH OF CR #3B, Yolo, CA

Built 2014 Load: 32.4 t ADT: 500

C.R. # 86A

Good

Over: COTTONWOOD SLOUGH

0.22 MI NORTH OF CR # 25, Yolo, CA

Built 2015 Load: 32.4 t ADT: 146

COUNTY ROAD 99W

Good

Over: BUCKEYE CREEK

0.5 MI SE OF CO LINE RD, Yolo, CA

Built 2018 Load: 32.4 t ADT: 2,000

COUNTY ROAD 12

Good

Over: ZAMORA CREEK

0.3 MI WEST OF I-5, Yolo, CA

Built 2016 Load: 32.4 t ADT: 160

Showing 23,601-23,650 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.