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

WISE RD

Good

Over: AUBURN RAVINE

BTWN MILLERTON & STONE RD, Placer, CA

Built 2010 Load: 32.4 t ADT: 1,611

PLESANT GROVE BLVD

Good

Over: KASEBERG CREEK

0.2 MI EAST OF FIDDYMENT, Placer, CA

Built 1990 Load: 32.4 t ADT: 8,800

PLESANTGROVE BLVD

Good

Over: KASEBERG CREEK

0.2 M EAST OF FIDDYMENT, Placer, CA

Built 2006 Load: 32.4 t ADT: 8,800

FIDDYMENT RD

Good

Over: KASEBERG CREEK

FIDDYMENT @ HAYDEN, Placer, CA

Built 2007 Load: 32.4 t ADT: 13,450

PLESANT GROVE BLVD

Good

Over: KASEBERG CREEK

100' W OF ROSE CREEK RD, Placer, CA

Built 1990 Load: 32.4 t ADT: 17,611

BREWER ROAD

Good

Over: BRANCH OF CURRY CREEK

2.3 MI N OF BASELINE ROAD, Placer, CA

Built 2012 Load: 32.4 t ADT: 471

BREWER ROAD

Good

Over: KING SLOUGH

0.54 MI S OF CATLETT ROAD, Placer, CA

Built 2013 Load: 32.4 t ADT: 471

BREWER ROAD

Good

Over: MARKHAM RAVINE

0.6 MI S OF NICOLAUS ROAD, Placer, CA

Built 2013 Load: 32.4 t ADT: 471

DICK COOK RD

Good

Over: MINERS RAVINE

NEAR AUBURN FOLSOM RD, Placer, CA

Built 2010 Load: 32.4 t ADT: 527

DOWD ROAD

Good

Over: YANKEE SLOUGH

0.1 MI S OF DALBY ROAD, Placer, CA

Built 2015 Load: 32.4 t ADT: 756

NELSON LANE SB

Good

Over: MARKHAM RAVINE

SOUTH OF NICOLAUS ROAD, Placer, CA

Built 2014 Load: 32.4 t ADT: 6,950

NELSON LANE NB

Good

Over: MARKHAM RAVINE

SOUTH OF NICOLAUS ROAD, Placer, CA

Built 2014 Load: 32.4 t ADT: 6,950

ALPINE MEADOWS ROA

Good

Over: TRUCKEE RIVER

170 FT E/O HWY 89, Placer, CA

Built 2015 Load: 32.4 t ADT: 2,500

RIOSA ROAD

Good

Over: SOUTH SUTTER AQUEDUCT

AT NORTH DOWD RD, Placer, CA

Built 2012 Load: 32.4 t ADT: 2,000

LINCOLN BLVD

Good

Over: INGRAM SLOUGH

1.0 MI S OF SR 193, Placer, CA

Built 2001 Load: 32.4 t ADT: 18,500

LINCOLN BLVD

Good

Over: COON CREEK OVERFLOW

0.35 MI NW OF CHAMBERLAIN, Placer, CA

Built 1975 Load: 32.4 t ADT: 16,800

BREWER ROAD

Good

Over: PLEASANT GROVE CREEK

1.1 MI S OF SUNSET BLVD W, Placer, CA

Built 2019 Load: 32.4 t ADT: 471

INDUSTRIAL AVENUE

Good

Over: PLEASANT GROVE CREEK

0.7 MI S OF SUNSET AVE, Placer, CA

Built 2018 Load: 32.4 t ADT: 20,651

NORTH DOWD ROAD

Good

Over: COON CREEK

0.3 MI N OF WEST WISE RD, Placer, CA

Built 2022 Load: 32.4 t ADT: 820

CHINA GARDEN RD

Good

Over: SECRET RAVINE

0.1 MI S OF ROCKLIN RD, Placer, CA

Built 1996 Load: 32.4 t ADT: 1,170

MORTON ROAD

Good

Over: CANYON CREEK

150 FT SE/O CASA LOMA RD, Placer, CA

Built 2017 Load: 32.4 t ADT: 100

OAK RIDGE DRIVE

Good

Over: LINDA CREEK

NORTH OF RAMPART DR, Placer, CA

Built 2021 Load: 32.4 t ADT: 2,000

WEST SUNSET BLVD

Good

Over: PLEASANT GROVE CREEK TRB

0.3 MI E OF FOOTHILL BLVD, Placer, CA

Built 2006 Load: 32.4 t ADT: 13,200

CROSBY HEROLD ROAD

Good

Over: DOTY RAVINE

0.9 MI N OF WISE RD, Placer, CA

Built 2021 Load: 32.4 t ADT: 600

STATE ROUTE 70

Good

Over: CHAMBERS CREEK

02-PLU-070-9.04, Plumas, CA

Built 1959 Load: 32.4 t ADT: 1,345

STATE ROUTE 89

Good

Over: SULPHUR CREEK

02-PLU-089-3.40, Plumas, CA

Built 2002 Load: 32.4 t ADT: 1,015

STATE ROUTE 89

Good

Over: BNSF RY

02-PLU-089-19.90, Plumas, CA

Built 1988 Load: 32.4 t ADT: 3,050

STATE ROUTE 89

Good

Over: WOLF CREEK

02-PLU-089-20.01, Plumas, CA

Built 1988 Load: 32.4 t ADT: 3,050

STATE ROUTE 70

Good

Over: GREENHORN CR, UP RR,BNSF

02-PLU-070-51.21, Plumas, CA

Built 1956 Load: 32.4 t ADT: 3,425

STATE ROUTE 284

Good

Over: LITTLE LAST CHANCE CREEK

02-PLU-284-7.01, Plumas, CA

Built 2000 Load: 32.4 t ADT: 640

STATE ROUTE 70

Good

Over: YELLOW CREEK

02-PLU-070-14.90, Plumas, CA

Built 2020 Load: 32.4 t ADT: 1,345

STATE ROUTE 89

Good

Over: LAKE ALMANOR SPILLWAY

02-PLU-089-29.97, Plumas, CA

Built 2018 Load: 32.4 t ADT: 1,150

JOHNSVILLE ROAD

Good

Over: JAMISON CREEK

5.1 MI W SH 89, Plumas, CA

Built 2003 Load: 32.4 t ADT: 560

CR 413 SPN RCH RD

Good

Over: SPANISH CREEK

0.1 MI N BUCKS LAKE RD, Plumas, CA

Built 2021 Load: 32.4 t ADT: 80

COUNTY ROAD 322A

Good

Over: BAILEY CREEK

W OF CR 322, N OF CA 36, Plumas, CA

Built 2016 Load: 32.4 t ADT: 25

CHSTR-WARNER VLYRD

Good

Over: WARNER CREEK

C.R. 312, Plumas, CA

Built 2011 Load: 32.4 t ADT: 280

INTERSTATE 10 WB

Good

Over: PALOWALLA DITCH

08-RIV-010-R142.62, Riverside, CA

Built 1969 Load: 32.4 t ADT: 11,750

INTERSTATE 10 EB

Good

Over: PALOWALLA DITCH

08-RIV-010-R142.65, Riverside, CA

Built 1969 Load: 32.4 t ADT: 11,750

INTERSTATE 10 WB

Good

Over: COPA DITCH

08-RIV-010-R113.81, Riverside, CA

Built 1966 Load: 32.4 t ADT: 10,700

INTERSTATE 10 EB

Good

Over: PALEN DITCH

08-RIV-010-R110.47, Riverside, CA

Built 1966 Load: 32.4 t ADT: 10,700

INTERSTATE 10 WB

Good

Over: AIRPORT DITCH

08-RIV-010-R106.16, Riverside, CA

Built 1967 Load: 32.4 t ADT: 23,000

INTERSTATE 215 SB

Good

Over: BNSF RY & SCRRA

08-RIV-215-R38.61-RIV, Riverside, CA

Built 1966 Load: 32.4 t ADT: 246,000

INTERSTATE 215 NB

Good

Over: BNSF RY & SCRRA

08-RIV-215-R38.67-RIV, Riverside, CA

Built 1936 Load: 32.4 t ADT: 246,000

INTERSTATE 215

Good

Over: CANYON CREST DR

08-RIV-215-41.04-RIV, Riverside, CA

Built 1959 Load: 32.4 t ADT: 250,000

ROUTE 74

Good

Over: BAUTISTA CREEK

08-RIV-074-44.77, Riverside, CA

Built 1960 Load: 32.4 t ADT: 16,116

ROUTE 74

Good

Over: HORSE CREEK

08-RIV-074-75.66, Riverside, CA

Built 1984 Load: 32.4 t ADT: 3,850

STATE ROUTE 79

Good

Over: TEMECULA CREEK

08-RIV-079-7.07, Riverside, CA

Built 1980 Load: 32.4 t ADT: 27,000

INTERSTATE 10 EB

Good

Over: BROWN ARROYO

08-RIV-010-R68.29, Riverside, CA

Built 1964 Load: 32.4 t ADT: 11,250

INTERSTATE 10 EB

Good

Over: HAPPY GULCH

08-RIV-010-R75.67, Riverside, CA

Built 1965 Load: 32.4 t ADT: 9,150

STATE ROUTE 111

Good

Over: CALEB WASH

08-RIV-111-14.03, Riverside, CA

Built 1951 Load: 32.4 t ADT: 2,700

Showing 21,801-21,850 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.