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

LAKE HUGHES RD

Good

Over: CASTAIC CRK

0.6MI E/O I-5 FWY, Los Angeles, CA

Built 1966 Load: 34.7 t ADT: 1,530

NORTH SPRING ST

Good

Over: LOS ANGELES RIVER, UP RR

0.4 MI WEST OF I-5, Los Angeles, CA

Built 1928 Load: 34.7 t ADT: 18,808

PHILLIPS BLVD

Good

Over: SAN ANTONIO WASH

0.3MI E/O RESERVOIR ST, Los Angeles, CA

Built 1962 Load: 34.7 t ADT: 4,874

BALBOA BLVD (NB)

Good

Over: LOS ANGELES RIVER

0.6 MI S. VICTORY BLVD, Los Angeles, CA

Built 1941 Load: 34.7 t ADT: 14,800

HAYVENHURST ST

Good

Over: BULL CREEK

PLUMMER, Los Angeles, CA

Built 1974 Load: 34.7 t ADT: 12,000

HUMANE WAY

Good

Over: UP RR, SAN JOSE CRK SF

0.3MI N/O MISSION BLVD, Los Angeles, CA

Built 1970 Load: 34.7 t ADT: 11,500

LYANS DR

Good

Over: HALLS CYN CHAN

0.1MI E/O CASTLE RD, Los Angeles, CA

Built 1936 Load: 34.7 t ADT: 1,479

INTERSTATE 5 SB

Good

Over: BILLY WRIGHT ROAD

10-MER-005-16.72, Merced, CA

Built 1971 Load: 34.7 t ADT: 15,500

INTERSTATE 5 NB

Good

Over: BILLY WRIGHT ROAD

10-MER-005-16.72, Merced, CA

Built 1971 Load: 34.7 t ADT: 17,300

BELL DRIVE

Good

Over: ATWATER CANAL

0.1 MI W BERT CRANE RD, Merced, CA

Built 2012 Load: 34.7 t ADT: 1,021

INTERSTATE 10

Good

Over: COLORADO RIVER

08-RIV-010-R156.38-BLY, Riverside, CA

Built 1960 Load: 34.7 t ADT: 60,000

INTERSTATE 215

Good

Over: SAN JACINTO RIV OVERFLOW

08-RIV-215-24.91-PER, Riverside, CA

Built 1953 Load: 34.7 t ADT: 104,000

STATE HIGHWAY 330

Good

Over: PALO ALTO WAY

08-SBD-330-43.99, San Bernardino, CA

Built 1951 Load: 34.7 t ADT: 11,500

INTERSTATE 15 SB

Good

Over: OPAH DITCH

08-SBD-015-R126.86, San Bernardino, CA

Built 1965 Load: 34.7 t ADT: 23,500

INTERSTATE 15 NB

Good

Over: OPAH DITCH

08-SBD-015-R126.86, San Bernardino, CA

Built 1965 Load: 34.7 t ADT: 23,500

STATE HIGHWAY 138

Good

Over: CAJON CREEK

08-SBD-138-R14.94, San Bernardino, CA

Built 1969 Load: 34.7 t ADT: 18,500

STATE HIGHWAY 138

Good

Over: SAWPIT CANYON

08-SBD-138-R28.07, San Bernardino, CA

Built 1970 Load: 34.7 t ADT: 1,500

STATE HIGHWAY 138

Good

Over: BURNT MILL CANYON

08-SBD-138-R29.38, San Bernardino, CA

Built 1970 Load: 34.7 t ADT: 1,500

STATE ROUTE 18

Good

Over: HILLSIDE

08-SBD-018-R16.69, San Bernardino, CA

Built 1970 Load: 34.7 t ADT: 16,000

INTERSTATE 8 WB

Good

Over: CAMERON STA-KITCHN CR RD

11-SD-008-R52.00, San Diego, CA

Built 1974 Load: 34.7 t ADT: 8,350

HARDING ST

Good

Over: ESCONDIDO CREEK

0.1 MI N VALLEY PARKWAY, San Diego, CA

Built 1988 Load: 34.7 t ADT: 5,600

JACK TONE RD

Good

Over: DUCK CREEK

0.8 MI N OF S.H.4, San Joaquin, CA

Built 1961 Load: 34.7 t ADT: 3,392

ALPINE RD

Good

Over: BEAR CREEK

0.4 MI S LIVE OAK RD, San Joaquin, CA

Built 1963 Load: 34.7 t ADT: 1,239

CRESTON RD

Good

Over: HUER HUERO CREEK

0.1 MI S GENESEO RD, San Luis Obispo, CA

Built 1960 Load: 34.7 t ADT: 1,731

STATE ROUTE 1 SB

Good

Over: SAN ANTONIO CREEK

05-SB-001-M33.10, Santa Barbara, CA

Built 1966 Load: 34.7 t ADT: 6,900

HAWKINS CREEK

Good

Over: DEER CREEK

NO DATA ENTERED, Shasta, CA

Built 1965 Load: 34.7 t ADT: 50

STATE ROUTE 113

Good

Over: BARKER SLOUGH

04-SOL-113-6.58, Solano, CA

Built 1966 Load: 34.7 t ADT: 4,100

STATE ROUTE 12

Good

Over: BRIGHAM AVE

04-SON-012-R17.10-SRO, Sonoma, CA

Built 1969 Load: 34.7 t ADT: 30,000

DUTTON MEADOW

Good

Over: COLGAN CR FLD CNTRL CHNL

NEAR BELLEVUE AVE., Sonoma, CA

Built 1964 Load: 34.7 t ADT: 300

PASKENTA ROAD

Good

Over: NORTH COYOTE CREEK

1.2 MI N OF DUSTY, Tehama, CA

Built 1980 Load: 34.7 t ADT: 200

EAST FORK ROAD

Good

Over: NORTH FORK TRINITY RIVER

1.1 MI NORTH S.R. 299, Trinity, CA

Built 1967 Load: 34.7 t ADT: 200

AVE 312

Good

Over: PACKWOOD CREEK

0.1 MI E OF RD 180, Tulare, CA

Built 1956 Load: 34.7 t ADT: 300

US HIGHWAY 101 NB

Good

Over: VENTURA RIVER

07-VEN-101-30.94-VEN, Ventura, CA

Built 1962 Load: 34.7 t ADT: 44,500

SR 118 WB

Good

Over: CALDWELL AVE (CLOSED)

07-VEN-118-R24.15-SIMV, Ventura, CA

Built 1970 Load: 34.7 t ADT: 57,000

STATE ROUTE 70

Good

Over: N FK FEATHER RIVER

03-BUT-070-40.99, Butte, CA

Built 1932 Load: 35.0 t ADT: 1,450

STATE ROUTE 20

Good

Over: SALT CREEK

03-COL-020-20.21, Colusa, CA

Built 1959 Load: 35.0 t ADT: 5,800

WEST LELAND RD

Good

Over: CONTRA COSTA CANAL

1.5 MI E BAILEY RD, Contra Costa, CA

Built 1976 Load: 35.0 t ADT: 7,500

W NEES AVE

Good

Over: OUTSIDE CANAL

AT (E/O) WASHOE AVE, Fresno, CA

Built 1960 Load: 35.0 t ADT: 3,600

STATE ROUTE 119

Good

Over: BUENA VISTA CREEK

06-KER-119-6.32, Kern, CA

Built 1959 Load: 35.0 t ADT: 7,400

N99-AIRPORT DR OFF

Good

Over: BUCK OWEN, CALLOWAY CNL

06-KER-099-26.70, Kern, CA

Built 1963 Load: 35.0 t ADT: 14,300

STATE ROUTE 41

Good

Over: EMPIRE # 2 CANAL

06-KIN-041-33.79, Kings, CA

Built 1948 Load: 35.0 t ADT: 6,560

JACKSON AVE

Good

Over: CROSS CREEK

0.9 MI W OF 5TH AVE, Kings, CA

Built 1975 Load: 35.0 t ADT: 450

INTERSTATE 110

Good

Over: UP RR SPUR

07-LA-110-2.50-LA, Los Angeles, CA

Built 1956 Load: 35.0 t ADT: 93,900

SR 118 WB

Good

Over: LAUREL CANYON BLVD

07-LA-118-R11.57L-LA, Los Angeles, CA

Built 1976 Load: 35.0 t ADT: 66,750

STATE ROUTE 14

Good

Over: AVENUE "J-8"

07-LA-014-R67.37-LAN, Los Angeles, CA

Built 1972 Load: 35.0 t ADT: 31,000

ACCESS ROAD

Good

Over: BALLONA CREEK

07-LA-010-R9.13-LA, Los Angeles, CA

Built 1964 Load: 35.0 t ADT: 1

AZUSA AVE

Good

Over: WALNUT CRK

0.2MI N/O CAMERON AVE, Los Angeles, CA

Built 1967 Load: 35.0 t ADT: 42,405

OSBORNE ST

Good

Over: PACOIMA WASH DIV CHANNEL

0.1 MI SW ARLETA AVE, Los Angeles, CA

Built 1954 Load: 35.0 t ADT: 35,426

CYPRESS ST

Good

Over: BIG DALTON WASH

0.5MI W/O VINCENT AVE, Los Angeles, CA

Built 1959 Load: 35.0 t ADT: 5,545

BURNSIDE AVE

Good

Over: BALLONA CREEK

AT COLOGNE ST, Los Angeles, CA

Built 1974 Load: 35.0 t ADT: 550

Showing 24,001-24,050 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.