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

UNIVERSAL TERRACE

Unknown

Over: U.S. HIGHWAY 101

07-LA-101-10.56-LA, Los Angeles, CA

Built 2003 ADT: 248,000

MILLER ST UTILITY

Unknown

Over: INTERSTATE 210

07-LA-210-R47.81-LVN, Los Angeles, CA

Built 2001 ADT: 179,000

WB 60 ALT LANES

Unknown

Over: BREA CANYON RD & RAMP

07-LA-060-R22.97-DMBR, Los Angeles, CA

Built 2007 ADT: 12,300

N57-E60&W60-S57HOV

Unknown

Over: SR 60, GOLDEN SPRINGS DR

07-LA-057-R4.46L, Los Angeles, CA

Built 2007 ADT: 17,800

VALENCIA BOULEVARD

Unknown

Over: INTERSTATE 5

07-LA-005-R52.47-SCTA, Los Angeles, CA

Built 2001 ADT: 168,002

INTERSTATE 5

Unknown

Over: MAGIC MOUNTAIN PARKWAY

07-LA-005-R53.33-SCTA, Los Angeles, CA

Built 2005 ADT: 20,885

STATE ROUTE 126

Unknown

Over: INTERSTATE 5

07-LA-126-R5.84-SCTA, Los Angeles, CA

Built 2005 ADT: 129,000

STATE ROUTE 126

Unknown

Over: COMMERCE CITY DRIVE

07-LA-126-R4.88, Los Angeles, CA

Built 2016 ADT: 10,000

PEDESTRIANS

Unknown

Over: INTERSTATE 210

07-LA-210-R29.35, Los Angeles, CA

Built 2002 ADT: 294,000

HNTINGTN DR-E&W210

Unknown

Over: CENTRAL AVENUE

07-LA-210-R36.39-DRT, Los Angeles, CA

Built 1968 ADT: 1,500

INTERSTATE 405 NB

Unknown

Over: GREENLEAF ST

07-LA-405-39.05-LA, Los Angeles, CA

Built 2008 ADT: 12,000

I-5-SR14

Unknown

Over: NB 5, 5 TRUCK & RAMP

07-LA-005-R45.26-LA, Los Angeles, CA

Built 2014 ADT: 15,747

RAIL

Unknown

Over: US101

07-LA-101-1.07, Los Angeles, CA

Built 2007 ADT: 140,000

I-5/SR170

Unknown

Over: I-5

07-LA-170-R20.34-LA, Los Angeles, CA

Built 2015 ADT: 183,000

5-170

Unknown

Over: I-5

07-LA-005-36.44-LA, Los Angeles, CA

Built 2015 ADT: 145,357

PALMS BLVD

Unknown

Over: ROUTE 405

07-LA-405-28.51-LA, Los Angeles, CA

Built 2009 ADT: 278,000

MTA RAIL

Unknown

Over: INTERSTATE 710

07-LA-710-24.47, Los Angeles, CA

Built 2008 ADT: 182,000

ROUTE 710

Unknown

Over: LONG BEACH/TERMINAL ISL

07-LA-710-3.60, Los Angeles, CA

Built 2020 ADT: 5,000

AMAR RD

Unknown

Over: INTERSTATE 10

07-LA-010-31.54-BWP, Los Angeles, CA

Built 2012 ADT: 230,000

CARMENITA ROAD

Unknown

Over: INTERSTATE 5

07-LA-005-2.42-NRW, Los Angeles, CA

Built 2016 ADT: 171,000

MISSION BLVD

Unknown

Over: SR 71

07-LA-071-1.60, Los Angeles, CA

Built 2011 ADT: 69,500

NB 405 ONRAMP

Unknown

Over: SEPULVEDA, WILSHIRE BLVD

07-LA-405-31.46-LA, Los Angeles, CA

Built 2013 ADT: 25,000

NB 405 OFFRAMP

Unknown

Over: SOUTH SEPULVEDA BLVD

07-LA-405-31.38-LA, Los Angeles, CA

Built 2013 ADT: 25,000

BESS POC

Unknown

Over: INTERSTATE 10

07-LA-010-31.72-BWP, Los Angeles, CA

Built 2013 ADT: 230,000

BALDWIN PARK BLVD

Unknown

Over: INTERSTATE 10

07-LA-010-32.22-BWP, Los Angeles, CA

Built 2012 ADT: 224,000

N605-W10

Unknown

Over: INTERSTATE 10

07-LA-605-R20.17-BWP, Los Angeles, CA

Built 2013 ADT: 233,000

STATE ROUTE 47

Unknown

Over: CERRITOS CHANNEL

07-LA-047-3.58-LBCH, Los Angeles, CA

Built 2022 ADT: 4,755

NB 110-9TH ST RAMP

Unknown

Over: 9TH ST N/B ON-RAMP

07-LA-110-22.30-LA, Los Angeles, CA

Built 2012 ADT: 2,000

ALONDRA BLVD

Unknown

Over: INTERSTATE 5

07-LA-005-1.67-SFSP, Los Angeles, CA

Built 2015 ADT: 171,000

SHOEMAKER AVE

Unknown

Over: I 5, FIRESTONE BLVD

07-LA-005-3.04-NRW, Los Angeles, CA

Built 2014 ADT: 6,000

INTERSTATE 5

Unknown

Over: ROSECRANS AVENUE

07-LA-005-3.44-NRW, Los Angeles, CA

Built 2016 ADT: 28,000

INTERSTATE 5

Unknown

Over: BLOOMFIELD AVENUE

07-LA-005-3.68-NRW, Los Angeles, CA

Built 2016 ADT: 18,000

I-5 SB OFFRAMP

Unknown

Over: BLOOMFIELD AVENUE

07-LA-005-3.63-NRW, Los Angeles, CA

Built 2015 ADT: 18,000

PEDESTRIAN PATH

Unknown

Over: INTERSTATE 5

07-LA-005-3.97-NRW, Los Angeles, CA

Built 2016 ADT: 175,000

VALLEY VIEW AVE

Unknown

Over: INTERSTATE 5

07-LA-005-1.21-LMRD, Los Angeles, CA

Built 2022 ADT: 202,010

HASLEY CANYON ROAD

Unknown

Over: ROUTE 5

07-LA-005-R56.60, Los Angeles, CA

Built 2010 ADT: 134,090

S605-E10 CONN

Unknown

Over: INTERSTATE 10

07-LA-605-20.36-BWP, Los Angeles, CA

Built 2015 ADT: 30,000

INT. 10 OFF-RAMP

Unknown

Over: CAMERON AVE

07-LA-010-34.29-WCOV, Los Angeles, CA

Built 2017 ADT: 13,000

HARRY BRIDGES BLVD

Unknown

Over: JOHN S GIBSON BLVD

07-LA-110-2.68-LA, Los Angeles, CA

Built 2016 ADT: 2,700

INT. 10 ON-RAMP

Unknown

Over: VINCENT AVE

07-LA-010-35.40-WCOV, Los Angeles, CA

Built 2017 ADT: 14,000

S405-WILSHIRE OFF

Unknown

Over: WILSHIRE BLVD

07-LA-405-31.54-LA, Los Angeles, CA

Built 2013 ADT: 80,000

S405-WILSHIRE OFF

Unknown

Over: WILSHIRE-S405 ON

07-LA-405-31.57-LA, Los Angeles, CA

Built 2013 ADT: 16,700

SKIRBALL CENTER DR

Unknown

Over: ROUTE 405

07-LA-405-36.71-LA, Los Angeles, CA

Built 2013 ADT: 288,000

MULHOLLAND DR

Unknown

Over: ROUTE 405

07-LA-405-37.03-LA, Los Angeles, CA

Built 2013 ADT: 276,000

SUNSET BLVD

Unknown

Over: ROUTE 405, N SEPULVEDA

07-LA-405-32.99-LA, Los Angeles, CA

Built 2013 ADT: 15,000

BURBANK BLVD

Unknown

Over: INTERSTATE 5

07-LA-005-29.80-BRB, Los Angeles, CA

Built 2022 ADT: 239,000

ROUTE 5

Unknown

Over: SAN ANTONIO DR

07-LA-005-4.40-NRW, Los Angeles, CA

Built 2020 ADT: 10,000

ROUTE 5

Unknown

Over: PIONEER BLVD

07-LA-005-5.12-NRW, Los Angeles, CA

Built 2020 ADT: 3,500

FLORENCE AVE

Unknown

Over: INTERSTATE 5

07-LA-005-6.38-DNY, Los Angeles, CA

Built 2020 ADT: 195,000

SB 710 ONRAMP

Unknown

Over: S ATLANTIC BLVD

07-LA-710-21.91-BELL, Los Angeles, CA

Built 2013 ADT: 19,000

Showing 2,751-2,800 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.