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

ARTESIA BLVD

Unknown

Over: INTERSTATE 710

07-LA-710-12.89-LBCH, Los Angeles, CA

Built 1953 ADT: 199,000

ALONDRA BLVD

Unknown

Over: ROUTE 710

07-LA-710-13.95-COM, Los Angeles, CA

Built 1958 ADT: 233,000

COMPTON BLVD

Unknown

Over: ROUTE 710

07-LA-710-14.45-PRM, Los Angeles, CA

Built 1986 ADT: 234,000

ROSECRANS AVE

Unknown

Over: ROUTE 710

07-LA-710-14.98-PRM, Los Angeles, CA

Built 1990 ADT: 6,700

IMPERIAL HIGHWAY

Unknown

Over: ROUTE 710

07-LA-710-16.99-LYN, Los Angeles, CA

Built 1956 ADT: 20,000

FIRESTONE BLVD

Unknown

Over: INTERSTATE 710

07-LA-710-18.44-SGT, Los Angeles, CA

Built 1957 ADT: 19,401

UP RR

Unknown

Over: INTERSTATE 710

07-LA-710-18.74-SGT, Los Angeles, CA

Built 1957 ADT: 225,000

CLARA STREET

Unknown

Over: INTERSTATE 710

07-LA-710-19.40-BELL, Los Angeles, CA

Built 1957 ADT: 213,000

FLORENCE AVE

Unknown

Over: INTERSTATE 710

07-LA-710-19.73-BELL, Los Angeles, CA

Built 1957 ADT: 13,601

GAGE AVENUE

Unknown

Over: INTERSTATE 710

07-LA-710-20.27-BELL, Los Angeles, CA

Built 1957 ADT: 222,000

UP RR & AMTRAK

Unknown

Over: INTERSTATE 710

07-LA-710-20.51-BELL, Los Angeles, CA

Built 1957 ADT: 218,000

SLAUSON AVE

Unknown

Over: INTERSTATE 710

07-LA-710-21.03-BELL, Los Angeles, CA

Built 1957 ADT: 207,000

LA JUNCTION RY

Unknown

Over: INTERSTATE 710

07-LA-710-21.28-BELL, Los Angeles, CA

Built 1955 ADT: 207,000

I 710

Unknown

Over: BNSF RY,AMTRAK,METROLINK

07-LA-710-22.17-VER, Los Angeles, CA

Built 1954 ADT: 1,300

I 710

Unknown

Over: WASHINGTON BLVD

07-LA-710-22.45-CMRC, Los Angeles, CA

Built 1955 ADT: 32,000

I 5 TRUCK

Unknown

Over: SR 14 (SIERRA HWY)

07-LA-005S-C45.49-LA, Los Angeles, CA

Built 1955 ADT: 5,200

N5TRK-N14 CONN

Unknown

Over: SR 14 (SIERRA HWY)

07-LA-005S-C45.49-LA, Los Angeles, CA

Built 1975 ADT: 5,200

DUDLEY STREET

Unknown

Over: INTERSTATE 10 AND RAMPS

07-LA-010-44.19-POM, Los Angeles, CA

Built 1969 ADT: 247,000

INTERSTATE 10

Unknown

Over: WHITE AVENUE

07-LA-010-45.28-POM, Los Angeles, CA

Built 1954 ADT: 12,000

INTERSTATE 10

Unknown

Over: GAREY, ORANGE, MC KINLEY

07-LA-010-45.73-POM, Los Angeles, CA

Built 1954 ADT: 99

PEDESTRIAN WALKWAY

Unknown

Over: INTERSTATE 110

07-LA-110-21.04-LA, Los Angeles, CA

Built 1954 ADT: 3,000

INTERSTATE 10

Unknown

Over: TOWNE AVENUE

07-LA-010-46.40-POM, Los Angeles, CA

Built 1954 ADT: 17,000

INTERSTATE 10

Unknown

Over: SAN ANTONIO AVE

07-LA-010-46.72-POM, Los Angeles, CA

Built 1954 ADT: 6,000

INTERSTATE 10

Unknown

Over: INDIAN HILL BLVD

07-LA-010-47.74-CLA, Los Angeles, CA

Built 1954 ADT: 28,000

BNSF, SCRRA METRO

Unknown

Over: WB10-CAMPUS RD OFFRAMP

07-LA-010-21.10-LA, Los Angeles, CA

Built 1974 ADT: 9,000

S101-GOWER ST OFF

Unknown

Over: ARGYLE AV-S101 ON-RAMP

07-LA-101-7.04-LA, Los Angeles, CA

Built 1977 ADT: 7,000

US HIGHWAY 101 OFF

Unknown

Over: CAHUENGA BLVD

07-LA-101-8.25-LA, Los Angeles, CA

Built 1954 ADT: 18,000

ROUTE 710

Unknown

Over: TRIGGS STREET

07-LA-710-23.14-CMRC, Los Angeles, CA

Built 1955 ADT: 1,000

INTERSTATE 10

Unknown

Over: VIA VERDE

07-LA-010-40.46, Los Angeles, CA

Built 1954 ADT: 481

FAIRPLEX DRIVE

Unknown

Over: INTERSTATE 10

07-LA-010-43.66-POM, Los Angeles, CA

Built 1969 ADT: 247,000

ATLANTIC BL NB-N71

Unknown

Over: ATLANTIC BLVD S/BND

07-LA-710-22.00-VER, Los Angeles, CA

Built 1957 ADT: 18,687

S710-BANDINI OFFRP

Unknown

Over: BANDINI BLVD

07-LA-710-21.99-VER, Los Angeles, CA

Built 1957 ADT: 23,898

INTERSTATE 710

Unknown

Over: BANDINI BLVD

07-LA-710-21.99-VER, Los Angeles, CA

Built 1957 ADT: 24,800

ESTARA AVE OC

Unknown

Over: ROUTE 2

07-LA-002-16.38-LA, Los Angeles, CA

Built 1976 ADT: 153,000

STATE ROUTE 110

Unknown

Over: 11TH STREET

07-LA-110-21.99-LA, Los Angeles, CA

Built 1953 ADT: 10,000

INTERSTATE 10

Unknown

Over: W10-S605 RAMP

07-LA-010-31.11-BWP, Los Angeles, CA

Built 1956 ADT: 207,800

I 10

Unknown

Over: LEXINGTON AVE

07-LA-010-28.84-EMTE, Los Angeles, CA

Built 1956 ADT: 2,740

INTERSTATE 110

Unknown

Over: PICO BLVD

07-LA-110-21.76-LA, Los Angeles, CA

Built 1953 ADT: 15,000

INTERSTATE 110

Unknown

Over: VENICE BLVD

07-LA-110-21.50-LA, Los Angeles, CA

Built 1953 ADT: 18,000

INTERSTATE 110

Unknown

Over: WASHINGTON BLVD

07-LA-110-21.24-LA, Los Angeles, CA

Built 1954 ADT: 1

FIGUEROA ST & 23RD

Unknown

Over: INTERSTATE 110

07-LA-110-20.92-LA, Los Angeles, CA

Built 1954 ADT: 244,600

ADAMS BLVD

Unknown

Over: INTERSTATE 110

07-LA-110-20.71-LA, Los Angeles, CA

Built 1956 ADT: 300,000

28TH STREET

Unknown

Over: INTERSTATE 110 & RAMP

07-LA-110-20.58-LA, Los Angeles, CA

Built 1996 ADT: 1,000

30TH STREET

Unknown

Over: INTERSTATE 110 & RAMP

07-LA-110-20.46-LA, Los Angeles, CA

Built 1996 ADT: 300,000

INTERSTATE 110

Unknown

Over: JEFFERSON BLVD

07-LA-110-20.21-LA, Los Angeles, CA

Built 1995 ADT: 23,000

INTERSTATE 110

Unknown

Over: EXPOSITION BLVD

07-LA-110-20.00-LA, Los Angeles, CA

Built 1956 ADT: 3,000

INTERSTATE 110 SB

Unknown

Over: 39TH STREET

07-LA-110-19.68-LA, Los Angeles, CA

Built 1996 ADT: 3,000

INTERSTATE 110 NB

Unknown

Over: 39TH STREET

07-LA-110-19.68-LA, Los Angeles, CA

Built 1996 ADT: 3,000

INTERSTATE 110

Unknown

Over: MARTIN LUTHER KING JR BL

07-LA-110-19.50-LA, Los Angeles, CA

Built 1956 ADT: 3,000

43RD ST

Unknown

Over: INTERSTATE 110

07-LA-110-19.12-LA, Los Angeles, CA

Built 1993 ADT: 300,000

Showing 1,601-1,650 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.