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

METRO LIGHT RAIL

Unknown

Over: INTERSTATE 210

07-LA-210-R31.46-ADA, Los Angeles, CA

Built 2012 ADT: 252,000

S/B OFF-RAMP

Unknown

Over: PIONEER BLVD

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

Built 2020 ADT: 3,500

PEDESTRIAN WALKWAY

Unknown

Over: STATE ROUTE 110

07-LA-110-20.74-LA, Los Angeles, CA

Built 2012 ADT: 300,000

PARAMOUNT BLVD

Unknown

Over: STATE ROUTE 60

07-LA-060-R7.80-MTBL, Los Angeles, CA

Built 2012 ADT: 228,000

SIERRA HW POC

Unknown

Over: SIERRA HW

07-LA-014U-29.30-SCTA, Los Angeles, CA

Built 2019 ADT: 12,000

LOS HILLS RD

Unknown

Over: ROUTE 101

07-LA-101-31.91, Los Angeles, CA

Built 2018 ADT: 177,000

LIGHT RAIL TRANSIT

Unknown

Over: I-405 & NB RAMPS

07-LA-405-23.51-ING, Los Angeles, CA

Built 2017 ADT: 15,866

NB405 OFFRAMP

Unknown

Over: SEPULVEDA BLVD

07-LA-405-32.85-LA, Los Angeles, CA

Built 2013 ADT: 11,586

NB405 ON-RAMP

Unknown

Over: SEPULVEDA BLVD

07-LA-405-32.94-LA, Los Angeles, CA

Built 2013 ADT: 11,586

NB 405 OFFRAMP

Unknown

Over: SOUTH SEPULVEDA BLVD

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

Built 2013 ADT: 25,000

NB 405 ONRAMP

Unknown

Over: SOUTH SEPULVEDA BLVD

07-LA-405-31.61-LA, Los Angeles, CA

Built 2013 ADT: 25,000

INTERSTATE 110 SB

Unknown

Over: 105/110 TRANSIT STATION

07-LA-110-13.81-LA, Los Angeles, CA

Built 1991 ADT: 14,700

ROSECRANS BUS STN

Unknown

Over: WAITING AREA

07-LA-110-11.88-LA, Los Angeles, CA

Built 1996 ADT: 300

WHITTIER BLVD

Unknown

Over: SANTA ANN FWY (SR 101)

07-LA-101-S0.20-LA, Los Angeles, CA

Built 2022 ADT: 137,000

LAX APM BRIDGE

Unknown

Over: SEPULVIDA BLVD (ROUTE 1)

07-LA-001-26.86-LA, Los Angeles, CA

Built 2022 ADT: 10,800

SOTO STREET

Unknown

Over: VALLEY BLVD & UP RR

0.6 MI NORTH OF FWY 10, Los Angeles, CA

Built 1936 ADT: 21,605

ANAHEIM ST

Unknown

Over: LA RIV / DEFOREST AVE

0.1MI E/O I-710 FWY, Los Angeles, CA

Built 1952 ADT: 35,638

VALLEY BLVD

Unknown

Over: SAN GABRIEL RIV

0.1MI W/O I-605 FWY, Los Angeles, CA

Built 1916 ADT: 21,000

UP RR

Unknown

Over: NATIONAL BLVD

BETWEEN FW10-EXPO BLVD, Los Angeles, CA

Built 1965 ADT: 37,500

METROLINK

Unknown

Over: AVENUE 26

0.5 MI NW PASADENA AVE, Los Angeles, CA

Built 1930 ADT: 32,700

FOURTH ST

Unknown

Over: CITY STS,RR,LA RIVER

OVER LA RIVER, Los Angeles, CA

Built 1930 ADT: 2,935

BEVERLY BL-1ST ST

Unknown

Over: GLENDALE, 2ND, TOLUCA

0.4 MI WEST 110 FWY, Los Angeles, CA

Built 1942 ADT: 24,800

SPTCO

Unknown

Over: LOS FELIZ RD UNDERPASS

BTW CITY GNDL AND SENECA, Los Angeles, CA

Built 1960 ADT: 35,532

SUNSET BLVD

Unknown

Over: MYRA AVE

0.2 MI SE OF FOUNTAIN AVE, Los Angeles, CA

Built 1929 ADT: 14,300

METROLINK

Unknown

Over: FREMONT AVE UP

AT I-10 FWY, Los Angeles, CA

Built 1952 ADT: 26,792

METROLINK

Unknown

Over: 6TH ST UP

AT I-10 FWY, Los Angeles, CA

Built 1953 ADT: 7,478

METROLINK

Unknown

Over: GARFIELD AVE UP

AT I-10 FWY, Los Angeles, CA

Built 1953 ADT: 45,273

METROLINK

Unknown

Over: NEW AVE UP

AT I-10 FWY, Los Angeles, CA

Built 1953 ADT: 33,912

SPTC RR

Unknown

Over: DEL MAR AVE UNDER SPTC

AT I-10 FWY, Los Angeles, CA

Built 1953 ADT: 26,660

SPTCO

Unknown

Over: SAN GABRIEL BL UNDER SPT

AT I-10 FWY, Los Angeles, CA

Built 1953 ADT: 34,246

SPTC RR

Unknown

Over: WALNUT GROVE AV UNDER SP

AT I-10 FWY, Los Angeles, CA

Built 1953 ADT: 24,077

COLORADO BLVD

Unknown

Over: ARROYO BLVD / ARROYO S

0.5MI E/O SAN RAFAEL AVE, Los Angeles, CA

Built 1913 ADT: 2,900

Metrolink

Unknown

Over: BALDWIN AVE

0.3MI S/O VALLEY BLVD, Los Angeles, CA

Built 1956 ADT: 262,820

4TH ST(UPPER LEVEL

Unknown

Over: FIGUEROA,FLOWER,RAMP

BTWN HOPE ST & HARBOR FY, Los Angeles, CA

Built 1956 ADT: 21,500

SUNSET BLVD

Unknown

Over: GLENDALE BLVD

0.17 M E. ALVARADO STREET, Los Angeles, CA

Built 1934 ADT: 66,495

SUNSET BLVD

Unknown

Over: SILVER LAKE BLVD

100 M N OF PARKMAN, Los Angeles, CA

Built 1934 ADT: 33,600

UPRR

Unknown

Over: SAN JOSE CRK UP PECK RD

0.3MI NW/O WORKMAN ML RD, Los Angeles, CA

Built 1962 ADT: 28,760

HOPE STREET

Unknown

Over: 4TH STREET

AT 4TH STREET, Los Angeles, CA

Built 1969 ADT: 25,796

GARVEY AVE

Unknown

Over: FREMONT AVE

0.8MI W/O ATLANTIC BLVD, Los Angeles, CA

Built 1934 ADT: 27,360

GARVEY AVE

Unknown

Over: MONTEREY PASS RD

0.7MI W/O ATLANTIC BLVD, Los Angeles, CA

Built 1934 ADT: 27,360

FIRST STREET

Unknown

Over: FIGUEROA STREET

0.4 MI SW/O US 101, Los Angeles, CA

Built 1940 ADT: 29,500

TEMPLE STREET

Unknown

Over: FIGUEROA STREET

0.1 M SE FWY 110, Los Angeles, CA

Built 1940 ADT: 25,198

BNSF

Unknown

Over: TELEGRAPH RD

0.1MI W/O GARFIELD AVE, Los Angeles, CA

Built 1925 ADT: 31,376

WILSHIRE BLVD

Unknown

Over: BONSALL AVE

0.3MI W/O I-405 FWY, Los Angeles, CA

Built 1957 ADT: 7,000

VALLEY BLVD

Unknown

Over: SP/UP RR

0.5MI E/O HACIENDA BLVD, Los Angeles, CA

Built 1957 ADT: 38,160

ATSF RR

Unknown

Over: PARAMOUNT BLVD

0.6MI S/O WASHINGTON BLVD, Los Angeles, CA

Built 1958 ADT: 22,684

SPTC R R

Unknown

Over: GARVEY AVE UNDER SPTC

0.3MI E/O VALLEY BLVD, Los Angeles, CA

Built 1933 ADT: 10,279

BURBANK BLVD

Unknown

Over: LAKE ST / SPTCO

300FT W/O I-5 FWY, Los Angeles, CA

Built 1958 ADT: 408

2ND ST

Unknown

Over: MARINE STAD / APPIAN

0.3MI W/O SR-1 HWY, Los Angeles, CA

Built 1955 ADT: 7,925

BNSF

Unknown

Over: ATLANTIC BOULEVARD

0.3MI S/O WASHINGTON BL, Los Angeles, CA

Built 1936 ADT: 26,500

Showing 2,801-2,850 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.