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

LEESVILLE-LODGA RD

Poor

Over: LITTLE INDIAN CREEK

6.1 MI N LEESVILLE ROAD, Colusa, CA

Built 1915 ADT: 37

WATERFRONT RD

Poor

Over: SLOUGH

WEST OF T1/T2, Contra Costa, CA

Built 1945

CONSUMNES MINE RD

Poor

Over: NORTH FK COSUMNES RIVER

4.0 MI N/O GRIZZILY FT RD, El Dorado, CA

Built 1958 ADT: 950

N CHATEAU FRESNO

Poor

Over: HOUGHTON CANAL

0.5 MI SOUTH OF BELMONT, Fresno, CA

Built 1925 ADT: 500

WINDING ROAD

Poor

Over: BALSAM CREEK

8S08-0.4, Fresno, CA

Built 1959 ADT: 50

WINDING ROAD

Poor

Over: DEER CREEK

11S40-19.6, Fresno, CA

Built 1948 ADT: 50

COUNTY RD R

Poor

Over: GLENN-COLUSA CANAL

0.3 MI N/O COUNTY RD 39, Glenn, CA

Built 1950 ADT: 85

COUNTY ROAD Z

Poor

Over: ANGEL SLOUGH

0.3 MI N OF S.H. 162, Glenn, CA

Built 1925 ADT: 586

STATE ROUTE 211

Poor

Over: EEL RIVER

01-HUM-211-78.10, Humboldt, CA

Built 1911 ADT: 5,300

DREW RD

Poor

Over: NEW RIVER

0.8 MI S/O I-8, Imperial, CA

Built 1948 ADT: 1,500

EVAN HEWES HWY

Poor

Over: SOUTH FORK COYOTE WASH

3.5 MI E/O IMPERIAL HWY, Imperial, CA

Built 1932 ADT: 600

HOUSTON AVE

Poor

Over: CROSS CREEK

0.1 MI W OF 6TH AVE, Kings, CA

Built 1968 ADT: 3,190

ROAD M1

Poor

Over: EEL RIVER

13 MILES NE POTTER VALLEY, Lake, CA

Built 1971 ADT: 350

CR 305 (MAPES RD)

Poor

Over: HARTSON SLOUGH

0.4 MI E/O RD 303, Lassen, CA

Built 1978 ADT: 100

CR 111 (PITTVILLE)

Poor

Over: BEAVER CREEK

1.0 MI S OF CR 404, Lassen, CA

Built 1975 ADT: 100

RD 424 (BASSETT)

Poor

Over: WILLOW CREEK

1.5 MI N OF RD A-2, Lassen, CA

Built 1960 ADT: 120

CR417 (PUNKIN CTR)

Poor

Over: MUDDY SLOUGH NO 1

2.8 MI S OF CR A2, Lassen, CA

Built 1955 ADT: 200

AVENUE 18.5

Poor

Over: EASTSIDE BYPASS CHANNEL

2.0 MI EAST OF ROAD 4, Madera, CA

Built 1965 ADT: 300

BELLVIEW RD

Poor

Over: WILLOW CREEK

O'NEAL ROAD, Madera, CA

Built 1940 ADT: 65

C.R. 210

Poor

Over: RYAN CREEK

4.0 MI E OF CR 211, Madera, CA

Built 1950 ADT: 70

WINDING ROAD

Poor

Over: BEASORE CREEK

NO DATA ENTERED, Madera, CA

Built 1970 ADT: 50

WINDING ROAD

Poor

Over: NORTHFORK WILLOW CREEK

8S50-0.1, Madera, CA

Built 1928 ADT: 50

WINDING ROAD

Poor

Over: JOHNSON CREEK

06S61-1.5, Madera, CA

Built 1973 ADT: 50

WINDING ROAD

Poor

Over: MIDDLE MIAMI CREEK

NO DATA ENTERED, Mariposa, CA

Built 1965 ADT: 50

LOW GAP ROAD

Poor

Over: MASONITE INDUSTRIAL ROAD

6.7 MI S ORR SPRINGS ROAD, Mendocino, CA

Built 1960 ADT: 25

FOREST ROAD 610

Poor

Over: SOUTH FORK CASPAR CREEK

N OF INT OF FOREST RD 600, Mendocino, CA

Built 1965 ADT: 2

FOREST ROAD 330

Poor

Over: PARLIN CREEK

PARLIN FORK CONSERVATION, Mendocino, CA

Built 2005 ADT: 25

STATE PARK ROAD

Poor

Over: LITTLE RIVER

VAN DAMME STATE PARK, Mendocino, CA

Built 1951 ADT: 150

ROAD M1

Poor

Over: BLACK BUTTE RIVER

.3 MI. E. OF EEL RIV W.C., Mendocino, CA

Built 1986 ADT: 50

QUINLEY AVENUE

Poor

Over: BLACK RASCAL CREEK

0.6 MI SOUTH OF RTE 140, Merced, CA

Built 1962 ADT: 100

WASHINGTON ROAD

Poor

Over: EASTSIDE BYPASS

0.1 MI E HARMON RD, Merced, CA

Built 1968 ADT: 120

RUBY CANYON ROAD

Poor

Over: DRAINAGE KD RESERVOIR

S OLD MAN CANYON SEC 13 W, Monterey, CA

Built 2002 ADT: 1

PALISADES ROAD

Poor

Over: NACIMIENTO RIVER

N STEVE CREEK SEC 27, Monterey, CA

Built 1994 ADT: 1

RANGE ROAD

Poor

Over: DRAINAGE SAN ANTONIO RIV

N TULE AIRSTRIP SEC 25, Monterey, CA

Built 1965 ADT: 10

GREENWOOD AVE

Poor

Over: GARNETT CREEK

.2 MI NE/O MYRTLEDALE RD, Napa, CA

Built 1904 ADT: 162

PURDON ROAD

Poor

Over: SOUTH YUBA RIVER

2.0 MI S TYLER-FOOTE, Nevada, CA

Built 1895 ADT: 71

ROAD 23N37

Poor

Over: EUREKA CREEK

EUREKA CREEK, Plumas, CA

Built 1942 ADT: 50

WHITEWATER CUTOFF

Poor

Over: WHITEWATER RIVER

0.3 MI. E/O ROUTE 10 FWY, Riverside, CA

Built 1923 ADT: 50

FRANKLIN BLVD

Poor

Over: MOKELUMNE RIVER OVERFLOW

1.8 MI N SAN JQUIN CO LIN, Sacramento, CA

Built 1930 ADT: 520

ALTA MESA ROAD

Poor

Over: LAGUNA CREEK

0.4 MI N OF SR 104, Sacramento, CA

Built 1940 ADT: 1,530

CLAY STATION ROAD

Poor

Over: BROWNS CREEK

1.2 MI N OF SR 104, Sacramento, CA

Built 1950 ADT: 2,311

CARMENCITA ROAD

Poor

Over: LAGUNA CREEK

0.7 MI N CALVINE RD, Sacramento, CA

Built 1945 ADT: 400

YERMO RD

Poor

Over: MANIX WASH

4.4 MI NE HARVARD RD, San Bernardino, CA

Built 1929 ADT: 1

NAT TRAILS HWY

Poor

Over: COTA DITCH

16.7 MI E KELBAKER RD, San Bernardino, CA

Built 1930 ADT: 502

NAT TRAILS HWY

Poor

Over: DALMATIA DITCH

17.8 MI E KELBAKER RD, San Bernardino, CA

Built 1930 ADT: 502

RIVER ROAD

Poor

Over: HUER HUERO CREEK

1.5 MI S WELLONA AVE, San Luis Obispo, CA

Built 1950 ADT: 269

HUASNA TOWNSITE RD

Poor

Over: HUASNA RIVER

3.1 MI SE OF HUASNA, San Luis Obispo, CA

Built 1965 ADT: 288

JACK CREEK RD

Poor

Over: PASO ROBLES CREEK

0.2 MI N STATE RTE 46, San Luis Obispo, CA

Built 1938 ADT: 151

BIANCHI LANE

Poor

Over: SAN LUIS OBISPO CREEK

0.2 MI W/O HIGUERA STR, San Luis Obispo, CA

Built 1905 ADT: 30

SHOTGUN CREEK

Poor

Over: UNNAMED CREEK

NO DATA ENTERED, Shasta, CA

Built 1946 ADT: 50

Showing 25,801-25,850 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.