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%.

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.

All Bridges in California

IRR BIA RTE 133

Good

Over: TURNBACK CREEK

1.48KM UP MIWU FROM INTER, Tuolumne, CA

Built 2020 Load: 42.1 t ADT: 30

STATE ROUTE 33

Good

Over: DERRY DALE CREEK

07-VEN-033-31.72, Ventura, CA

Built 1932 Load: 42.1 t ADT: 340

STATE HWY 58 WB

Good

Over: BNSF RY

09-KER-058-R141.49, Kern, CA

Built 1971 Load: 42.4 t ADT: 15,700

INTERSTATE 5

Good

Over: THE OLD ROAD

07-LA-005S-C45.86, Los Angeles, CA

Built 1975 Load: 42.4 t ADT: 101,280

MONTROSE AVE

Good

Over: HALLS CYN CHAN

0.3MI W/O OCEAN VIEW BLVD, Los Angeles, CA

Built 1936 Load: 42.4 t ADT: 5,459

CENTINELA AVE

Good

Over: CENTINELA CRK

100FT S/O SR-90 FWY, Los Angeles, CA

Built 1962 Load: 42.4 t ADT: 14,729

MRSHAL-PETALUMA RD

Good

Over: SALMON CREEK

6 MI EAST OF SR 1, Marin, CA

Built 1931 Load: 42.4 t ADT: 400

MEADOW WAY

Good

Over: SAN GERONIMO CREEK

0.5 MI S SIR FRNCS DRAKE, Marin, CA

Built 1965 Load: 42.4 t ADT: 100

STATE ROUTE 20

Good

Over: COLD CREEK

01-MEN-020-R39.65, Mendocino, CA

Built 1967 Load: 42.4 t ADT: 10,400

STATE ROUTE 1

Good

Over: HARE CREEK

01-MEN-001-59.67, Mendocino, CA

Built 1947 Load: 42.4 t ADT: 14,500

STATE ROUTE 299

Good

Over: RATTLESNAKE CREEK

02-MOD-299-37.80, Modoc, CA

Built 1980 Load: 42.4 t ADT: 3,000

STATE ROUTE 18

Good

Over: HILLSIDE

08-SBD-018-R17.81, San Bernardino, CA

Built 1965 Load: 42.4 t ADT: 8,600

STATE ROUTE 94

Good

Over: CAMPO CREEK

11-SD-094-46.91, San Diego, CA

Built 1947 Load: 42.4 t ADT: 1,950

STATE ROUTE 76

Good

Over: SAN LUIS REY RIVER

11-SD-076-47.08, San Diego, CA

Built 1955 Load: 42.4 t ADT: 2,050

WINTER GARDENS-S67

Good

Over: LOS COCHES CREEK

11-SD-067-R4.79, San Diego, CA

Built 1970 Load: 42.4 t ADT: 2,000

MORENA BLVD

Good

Over: TECOLOTE CREEK CHANNEL

15FT NW/O TECOLOTE RD, San Diego, CA

Built 1957 Load: 42.4 t ADT: 15,540

COLLYER ROAD

Good

Over: CHURN CREEK

200' E HAWLEY RD, Shasta, CA

Built 1974 Load: 42.4 t ADT: 300

DOTY ROAD

Good

Over: HAT CREEK

0.2 MI DUE EAST S.R. 89, Shasta, CA

Built 1971 Load: 42.4 t ADT: 200

TENNANT RD

Good

Over: BUTTE CREEK

4.4 MI SE SR97, Siskiyou, CA

Built 1981 Load: 42.4 t ADT: 67

CHALK HILL RD

Good

Over: FRANZ CREEK

3 MI SOUTH SR 128, Sonoma, CA

Built 1965 Load: 42.4 t ADT: 850

INTERSTATE 5 SB

Good

Over: BRANNIN CREEK

02-TEH-005-R5.50, Tehama, CA

Built 1966 Load: 42.4 t ADT: 12,300

ZENIA BLUFF RD

Good

Over: MUD CREEK

WEST OF ZENIA, Trinity, CA

Built 2003 Load: 42.4 t ADT: 140

U.S. HIGHWAY 101

Good

Over: VISTA DEL MAR UC

07-VEN-101-29.45-VEN, Ventura, CA

Built 1961 Load: 42.4 t ADT: 66,000

STATE ROUTE 113

Good

Over: WILLOW SLOUGH

03-YOL-113-R4.95, Yolo, CA

Built 1976 Load: 42.4 t ADT: 12,300

INTERSTATE 5 SB

Good

Over: CFNR SPUR

03-GLE-005-R10.36, Glenn, CA

Built 1966 Load: 42.8 t ADT: 13,000

INTERSTATE 5 NB

Good

Over: CFNR SPUR

03-GLE-005-R10.36, Glenn, CA

Built 1966 Load: 42.8 t ADT: 13,000

ROAD 65

Good

Over: DEAD DOG DRAW

0.8 MI W/O ROAD 'D', Glenn, CA

Built 1940 Load: 42.8 t ADT: 165

DINSMORE DRIVE

Good

Over: ROHNER CREEK

0.3 MI N INT WTH 12TH ST, Humboldt, CA

Built 1962 Load: 42.8 t ADT: 556

STATE ROUTE 111

Good

Over: ALAMO RIVER

11-IMP-111-29.51, Imperial, CA

Built 1971 Load: 42.8 t ADT: 6,600

STATE ROUTE 1

Good

Over: LAS FLORES CREEK

07-LA-001-44.15-MAL, Los Angeles, CA

Built 1926 Load: 42.8 t ADT: 43,250

STATE ROUTE 14

Good

Over: LOST CANYON ROAD UC

07-LA-014-32.53-SCTA, Los Angeles, CA

Built 1963 Load: 42.8 t ADT: 113,000

INTERSTATE 210

Good

Over: S BR BIG TUJUNGA WASH

07-LA-210-R10.53-LA, Los Angeles, CA

Built 1980 Load: 42.8 t ADT: 113,000

LANZIT AVE

Good

Over: COMPTON CREEK

0.1 MI W CENTRAL AVE, Los Angeles, CA

Built 1953 Load: 42.8 t ADT: 2,200

LASSEN ST

Good

Over: BULL CREEK

0.1 MI E HAYVENHURST AVE, Los Angeles, CA

Built 1956 Load: 42.8 t ADT: 21,100

GREELEY HILL ROAD

Good

Over: CUNEO CREEK

1.7 MI NE OF SR 49, Mariposa, CA

Built 1961 Load: 42.8 t ADT: 1,040

INTERSTATE 5 SB

Good

Over: ETCHEVERRY ROAD

10-MER-005-15.12, Merced, CA

Built 1971 Load: 42.8 t ADT: 15,500

INTERSTATE 5 NB

Good

Over: ETCHEVERRY ROAD

10-MER-005-15.12, Merced, CA

Built 1971 Load: 42.8 t ADT: 20,750

IRVINE BOULEVARD

Good

Over: MARSHBURN CHANNEL

0.05 MI S/O SR 133, Orange, CA

Built 1990 Load: 42.8 t ADT: 33,700

ITCHY ACRES RD

Good

Over: MINERS RAVINE

0.4 KM N JOE ROGERS RD, Placer, CA

Built 1980 Load: 42.8 t ADT: 961

PALM CANYON BLVD

Good

Over: PALM VALLEY CHANNEL

0.2 MI NW OF TOWN CENTER, Riverside, CA

Built 1964 Load: 42.8 t ADT: 31,000

INTERSTATE 40

Good

Over: WHALE MTN WASH

08-SBD-040-R152.12, San Bernardino, CA

Built 1966 Load: 42.8 t ADT: 7,450

LINN RD

Good

Over: NORTH BRANCH PADDY CREEK

0.4 MI S BRANDT RD, San Joaquin, CA

Built 1967 Load: 42.8 t ADT: 199

STATE ROUTE 1

Good

Over: EL JARO CREEK

05-SB-001-R4.38, Santa Barbara, CA

Built 1967 Load: 42.8 t ADT: 7,000

HARRIS GRADE ROAD

Good

Over: SAN ANTONIO CREEK

0.2 MI S OF SR 135, Santa Barbara, CA

Built 1984 Load: 42.8 t ADT: 1,555

STATE ROUTE 152

Good

Over: BODFISH CREEK

04-SCL-152-6.10, Santa Clara, CA

Built 1957 Load: 42.8 t ADT: 7,250

NO DATA ENTERED

Good

Over: WEST BRANCH INDIAN CK

INDIAN CREEK, Siskiyou, CA

Built 2010 Load: 42.8 t ADT: 32

INTERSTATE 505 NB

Good

Over: SWEENEY CREEK

04-SOL-505-R5.20, Solano, CA

Built 1974 Load: 42.8 t ADT: 12,000

INTERSTATE 5 SB

Good

Over: JEWETT CREEK

02-TEH-005-R8.75, Tehama, CA

Built 1966 Load: 42.8 t ADT: 13,500

ROAD 244

Good

Over: LEWIS CREEK

0.16 MI N OF AVE 220, Tulare, CA

Built 1970 Load: 42.8 t ADT: 250

AVE 320

Good

Over: KETCHUM DITCH

.18 MI W OF R196, Tulare, CA

Built 1958 Load: 42.8 t ADT: 125

Showing 24,901-24,950 of 27,040 bridges

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.

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.