State profile · Below national median SD

California bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in California — drawn straight from the FHWA National Bridge Inventory.

27,040
Public bridges
32.5%
Good condition
4.6%
Poor condition
4.6%
Structurally deficient

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 rated 0-4

Structurally Deficient

4.6%

1,244 bridges flagged for repair priority

-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 — Structurally deficient share 15.3%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

Bridge inventory deck-condition mix — California (FHWA NBI)

California32.45931952662722%34.67455621301775%GoodFairPoorStructurally Deficient
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 on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below California on the same metric.

39

Ohio

4.54% top marginal rate
Structure
Progressive
Burden @ $100K
$26,753

34

New Jersey

4.59% top marginal rate
Structure
Progressive
Burden @ $100K
$6,796
Selected

06

California

4.60% top marginal rate
Structure
Progressive
Burden @ $100K
$27,040

05

Arkansas

4.71% top marginal rate
Structure
Progressive
Burden @ $100K
$5,544

53

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 composite NBI rating. Each is inspected at least every 24 months.

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

Structurally Deficient

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

AVE G

Good

Over: AMARGOSA CRK

0.5MI E/O I-14 FWY, Los Angeles, CA

Built 2000 Load: 32.4 t ADT: 1,919

15TH ST W

Good

Over: AMARGOSA DRN

0.3MI N/O AVE K, Los Angeles, CA

Built 2002 Load: 32.4 t ADT: 20,384

AVE H

Good

Over: AMARGOSA CRK

0.3MI W/O I-14 FWY, Los Angeles, CA

Built 1998 Load: 32.4 t ADT: 2,828

AVE CROCKER

Good

Over: PRIVATE DRN #1066

0.3MI N/O RYE CYN RD, Los Angeles, CA

Built 1977 Load: 32.4 t ADT: 5,459

AVE STANFORD

Good

Over: PRIVATE DRN #1066

0.4MI N/O RYE CYN RD, Los Angeles, CA

Built 2000 Load: 32.4 t ADT: 5,310

GOLDENDALE DR

Good

Over: MILAN CRK

0.1MI N/O TELEGRAPH RD, Los Angeles, CA

Built 1987 Load: 32.4 t ADT: 1,515

TELEGRAPH RD

Good

Over: MILAN CRK

0.4MI S/O LEFFINGWELL, Los Angeles, CA

Built 1987 Load: 32.4 t ADT: 16,274

ANAHEIM STREET

Good

Over: ANAHEIM WAY & UP RR

1.0 M W/0 FWY 710, Los Angeles, CA

Built 2001 Load: 32.4 t ADT: 33,238

GEN. T. KOSCIUSKO

Good

Over: GEN.T.KOSCIUS.WY GARAGE

150 FT W/O OLIVE STREET, Los Angeles, CA

Built 1992 Load: 32.4 t ADT: 4,569

RINALDI ST.

Good

Over: ALISO CREEK

0.55MI E/O RESEDA BLVD, Los Angeles, CA

Built 1980 Load: 32.4 t ADT: 20,707

MARMION WAY

Good

Over: METRO BLUE LINE

150 FT S/O FIGUEROA ST, Los Angeles, CA

Built 2003 Load: 32.4 t ADT: 780

FIGUEROA STREET

Good

Over: METRO BLUE LINE

AT PASADENA AVE, Los Angeles, CA

Built 2003 Load: 32.4 t ADT: 21,000

ATWOOD BLVD

Good

Over: SANTA CLRA RIV SF

0.4MI S/O LYONS AVE, Los Angeles, CA

Built 1989 Load: 32.4 t ADT: 38,745

DE WOLFE RD

Good

Over: SANTA CLARA SF

0.4MI S/O LYONS AVE, Los Angeles, CA

Built 1989 Load: 32.4 t ADT: 35,096

AVENIDA BARBOSA

Good

Over: BUENA VISTA CHAN

83FT E/O BUENA VISTA ST, Los Angeles, CA

Built 2002 Load: 32.4 t ADT: 10,094

HARBOR BLVD

Good

Over: WILDLIFE UNDERPASS

275FT N/O FULLERTON RD, Los Angeles, CA

Built 2005 Load: 32.4 t ADT: 30,990

FIRESTONE BLVD N

Good

Over: COYOTE CREEK

0.9MI E/O VALLEY VIEW AVE, Los Angeles, CA

Built 2022 Load: 32.4 t ADT: 5,508

AVE 19 W RDWY

Good

Over: ARROYO SECO CHANNEL

0.5 MI N OF PASADENA AVE, Los Angeles, CA

Built 2008 Load: 32.4 t ADT: 5,000

STEVENSON RANCH PK

Good

Over: PICO CYN WASH

CORNER OLD RD STEVENSON, Los Angeles, CA

Built 2001 Load: 32.4 t ADT: 713

COPPER HILL DR

Good

Over: HASKELL CYN CRK

0.1MI E/O HASKELL CYN RD, Los Angeles, CA

Built 2000 Load: 32.4 t ADT: 7,070

AVE L

Good

Over: AMARGOSA CRK

0.6MI E/O SR-14 FWY, Los Angeles, CA

Built 2009 Load: 32.4 t ADT: 34,528

VIA PRINCESSA

Good

Over: UNNAMED WASH

0.3MI S/O LOST CN RD, Los Angeles, CA

Built 2006 Load: 32.4 t ADT: 2,179

THE OLD RD

Good

Over: PICO CYN WASH

0.3MI N/O PICO CN RD, Los Angeles, CA

Built 2011 Load: 32.4 t ADT: 10,841

DESERT RD

Good

Over: UNNAMED WASH

0.3MI N/O SIERRA HWY, Los Angeles, CA

Built 2011 Load: 32.4 t ADT: 305

NATIONAL BLVD

Good

Over: BALLONA CREEK

0.26 MI W. OF LA CIENEGA, Los Angeles, CA

Built 2010 Load: 32.4 t ADT: 8,000

VALLEY BLVD

Good

Over: UP RR

NEAR EASTERN AVE, Los Angeles, CA

Built 2010 Load: 32.4 t ADT: 1,378

WORKMAN MILL RD

Good

Over: A RD

0.4MI E/O PECK RD, Los Angeles, CA

Built 2010 Load: 32.4 t ADT: 28,760

SIERRA OAK TRAIL

Good

Over: VIOLIN CYN CHAN

0.2MI W/O THE OLD RD, Los Angeles, CA

Built 1992 Load: 32.4 t ADT: 1,607

THE OLD RD

Good

Over: VIOLIN CYN CHAN

1.0MI N/O LAKE HUGHES RD, Los Angeles, CA

Built 1992 Load: 32.4 t ADT: 1,607

CASTAIC RD

Good

Over: UNKNOWN CHAN

0.2 S/O RIDGE ROUTE RD, Los Angeles, CA

Built 1993 Load: 32.4 t ADT: 500

AVE O

Good

Over: AMARGOSA CRK

0.5MI E/O 10TH ST W, Los Angeles, CA

Built 2011 Load: 32.4 t ADT: 7,171

UNION ST

Good

Over: METRO

145FT W/O ARROYO PKWY, Los Angeles, CA

Built 2003 Load: 32.4 t ADT: 6,868

GREEN ST

Good

Over: METRO

180FT W/O ARROYO PKWY, Los Angeles, CA

Built 2003 Load: 32.4 t ADT: 9,494

NEWHALL AVE

Good

Over: ELSMERE CREEK

125FEET S/O SIERRA HWY, Los Angeles, CA

Built 1969 Load: 32.4 t ADT: 34,814

Baseline Road

Good

Over: Marshall Creek Channel

0.2 M E/O WHEELER AVE, Los Angeles, CA

Built 1966 Load: 32.4 t ADT: 24,624

CORRAL CANYON

Good

Over: SOLSTICE CREEK

974FT N/O PAC CST HWY, Los Angeles, CA

Built 2008 Load: 32.4 t ADT: 1,572

Ramona Street

Good

Over: UPRR

1.1 MILE N/O VALLEY BLVD., Los Angeles, CA

Built 2016 Load: 32.4 t ADT: 18,656

Mission Road

Good

Over: UPRR

1.1 MILE N/O VALLEY BLVD, Los Angeles, CA

Built 2016 Load: 32.4 t ADT: 22,260

Del Mar Ave.

Good

Over: UPRR

1.2 M. N/O VALLEY, Los Angeles, CA

Built 2016 Load: 32.4 t ADT: 24,380

San Gabriel Blvd

Good

Over: UPRR

1.1 MILE N/OVALLEY BLVD, Los Angeles, CA

Built 2016 Load: 32.4 t ADT: 32,542

RIVERSIDE DRIVE

Good

Over: LOS ANGELES RV (RR)

0.3M W/O W. AVE 26, Los Angeles, CA

Built 2017 Load: 32.4 t ADT: 1,200

ROUTE 187

Good

Over: EAST COMEY AVE DRAIN

BTWN COMEY & DAUPHIN, Los Angeles, CA

Built 1927 Load: 32.4 t ADT: 42,250

Valencia Blvd

Good

Over: Golf Course

.075 MI W/O THE OLD RD., Los Angeles, CA

Built 2007 Load: 32.4 t ADT: 30,894

Valencia Blvd

Good

Over: Golf Course

.5 ML W/O THE OLD ROAD, Los Angeles, CA

Built 2007 Load: 32.4 t ADT: 30,894

DEL MAR AVE

Good

Over: ALHAMBRA WASH

0.2MI S/O VALLEY BLVD, Los Angeles, CA

Built 2020 Load: 32.4 t ADT: 24,380

MULHOLLAND HWY

Good

Over: TRIUNFO CREEK

0.5 MILES E/O KANAN RD, Los Angeles, CA

Built 2021 Load: 32.4 t ADT: 1,020

LOST CANYON RD

Good

Over: LA METRO AND UPRR

1 MILE N/O VIA PRINCESSA, Los Angeles, CA

Built 2003 Load: 32.4 t ADT: 5,000

CHANTRY FLAT ROAD

Good

Over: ROCK SLIDE

4.5MI N/O 210FWY, Los Angeles, CA

Built 2022 Load: 32.4 t ADT: 250

STATE ROUTE 152 WB

Good

Over: ASH SLOUGH

06-MAD-152-7.31, Madera, CA

Built 1996 Load: 32.4 t ADT: 15,000

STATE ROUTE 99 NB

Good

Over: BERENDA SLOUGH

06-MAD-099-24.78, Madera, CA

Built 1957 Load: 32.4 t ADT: 19,250

Showing 21,151-21,200 of 27,040 bridges

Related

All states → | National rankings → | Understanding conditions → | SD bridges explained →
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.

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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.

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.