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

PALERMO-HONCUT HWY

Good

Over: BRANCH WYMAN RAVINE

0.6 MI S PALERMO RD, Butte, CA

Built 1974 Load: 34.0 t ADT: 2,423

MILLER ROAD

Good

Over: SALT CREEK

AT HAHN ROAD, Colusa, CA

Built 2003 Load: 34.0 t ADT: 59

U.S. HIGHWAY 199

Good

Over: MIDDLE FORK SMITH RIVER

01-DN-199-R17.06, Del Norte, CA

Built 1965 Load: 34.0 t ADT: 3,100

CO RD #21

Good

Over: TEHAMA-COLUSA CANAL

0.4 MI EAST OF CO RD 'M', Glenn, CA

Built 1975 Load: 34.0 t ADT: 123

CO RD 'M'

Good

Over: TEHAMA-COLUSA CANAL

0.3 MI NORTH CO RD #24, Glenn, CA

Built 1975 Load: 34.0 t ADT: 883

U.S. HIGHWAY 101

Good

Over: WILLIFORD ROAD

01-HUM-101-30.50, Humboldt, CA

Built 1961 Load: 34.0 t ADT: 5,450

STATE ROUTE 14 NB

Good

Over: UP RR & BNSF RY

09-KER-014-R15.30, Kern, CA

Built 1972 Load: 34.0 t ADT: 8,975

E&W118-S5 CONNECTR

Good

Over: PAXTON STREET

07-LA-118-R11.42L-LA, Los Angeles, CA

Built 1976 Load: 34.0 t ADT: 51,151

STATE ROUTE 14 SB

Good

Over: PURITAN MINE ROAD

07-LA-014-45.73, Los Angeles, CA

Built 1963 Load: 34.0 t ADT: 48,500

INTERSTATE 210

Good

Over: ORCAS AVENUE

07-LA-210-R8.55-LA, Los Angeles, CA

Built 1980 Load: 34.0 t ADT: 113,000

SPRING ST

Good

Over: SAN GABRIEL RIV

0.5MI W/O I-605 FWY, Los Angeles, CA

Built 1952 Load: 34.0 t ADT: 20,140

ARROW HWY

Good

Over: LIVE OAK WASH

0.6MI W/O WHITE AVE, Los Angeles, CA

Built 1950 Load: 34.0 t ADT: 23,192

VALLEY BLVD

Good

Over: SAN JOSE CRK

0.8MI E/O GRAND AVE, Los Angeles, CA

Built 1961 Load: 34.0 t ADT: 23,300

CAMPUS DR

Good

Over: ARCADIA WASH

0.5MI W/O SANTA ANITA AVE, Los Angeles, CA

Built 1957 Load: 34.0 t ADT: 9,724

LIVE OAK AVE

Good

Over: ARCADIA WASH

0.1MI E/O EL MONTE AVE, Los Angeles, CA

Built 1955 Load: 34.0 t ADT: 7,120

MEYER RD

Good

Over: COYOTE CRK NF

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

Built 1961 Load: 34.0 t ADT: 7,140

INGLEWOOD BLVD

Good

Over: BALLONA CREEK

0.54MI N/O JEFFERSON BLVD, Los Angeles, CA

Built 1937 Load: 34.0 t ADT: 15,078

BROADWAY

Good

Over: EATON WASH

0.1MI W/O ROSEMEAD BLVD, Los Angeles, CA

Built 1967 Load: 34.0 t ADT: 14,420

FITCH AVE

Good

Over: MINT CYN WASH

260FT W/O SIERRA HWY, Los Angeles, CA

Built 2014 Load: 34.0 t ADT: 1,133

ROAD 603

Good

Over: WILLOW CREEK

0.2 MI W RD 407, Madera, CA

Built 1974 Load: 34.0 t ADT: 100

2ND ST

Good

Over: IRWIN CREEK

WEST SIDE RTE 101, Marin, CA

Built 1965 Load: 34.0 t ADT: 20,000

STATE ROUTE 162

Good

Over: EEL RIVER

01-MEN-162-8.25, Mendocino, CA

Built 1938 Load: 34.0 t ADT: 860

MOUNTAIN VIEW RD

Good

Over: ROBINSON CREEK

0.05 MILES FROM SR 128, Mendocino, CA

Built 1968 Load: 34.0 t ADT: 575

SANTA FE AVENUE

Good

Over: MARIPOSA CREEK

1.0 MI NW LE GRAND RD, Merced, CA

Built 1966 Load: 34.0 t ADT: 2,177

IRR CO RD 87

Good

Over: MAMATH SLOUGH

0.5 MI NE CR 91, Modoc, CA

Built 1955 Load: 34.0 t ADT: 255

INTERSTATE 80

Good

Over: EAGLE LAKES ROAD

03-NEV-080-R62.15L, Nevada, CA

Built 1964 Load: 34.0 t ADT: 14,250

SR 241 SB

Good

Over: WILDLIFE UC

12-ORA-241-36.70-ANA, Orange, CA

Built 1998 Load: 34.0 t ADT: 22,500

WINDING ROAD

Good

Over: LONG CANYON

NO DATA ENTERED, Placer, CA

Built 1961 Load: 34.0 t ADT: 50

STATE ROUTE 70

Good

Over: HUMBUG CREEK

02-PLU-070-73.99, Plumas, CA

Built 1969 Load: 34.0 t ADT: 6,200

INTERSTATE 10 WB

Good

Over: MCCOY WASH

08-RIV-010-R138.29, Riverside, CA

Built 1969 Load: 34.0 t ADT: 11,750

INTERSTATE 10 EB

Good

Over: MCCOY WASH

08-RIV-010-R138.29, Riverside, CA

Built 1969 Load: 34.0 t ADT: 11,750

INTERSTATE 10 WB

Good

Over: GALE DITCH

08-RIV-010-R136.15, Riverside, CA

Built 1969 Load: 34.0 t ADT: 11,750

INTERSTATE 10 EB

Good

Over: GALE DITCH

08-RIV-010-R136.15, Riverside, CA

Built 1969 Load: 34.0 t ADT: 9,500

INTERSTATE 10 WB

Good

Over: TEED DITCH

08-RIV-010-R133.99, Riverside, CA

Built 1969 Load: 34.0 t ADT: 9,500

INTERSTATE 10 EB

Good

Over: TEED DITCH

08-RIV-010-R133.99, Riverside, CA

Built 1969 Load: 34.0 t ADT: 9,500

ELDER CREEK RD

Good

Over: MORRISON CREEK

BTWN 65TH ST AND STKTN BL, Sacramento, CA

Built 1965 Load: 34.0 t ADT: 21,043

COLONY RD

Good

Over: BADGER CREEK

0.3 MI S OF ARNO RD, Sacramento, CA

Built 1960 Load: 34.0 t ADT: 560

INTERSTATE 40

Good

Over: CIRCLE DITCH

08-SBD-040-R52.12, San Bernardino, CA

Built 1968 Load: 34.0 t ADT: 16,300

INTERSTATE 15 SB

Good

Over: MOJAVE RIVER (BAKER)

08-SBD-015-R136.15, San Bernardino, CA

Built 1965 Load: 34.0 t ADT: 19,500

INTERSTATE 15 NB

Good

Over: MOJAVE RIVER (BAKER)

08-SBD-015-R136.13, San Bernardino, CA

Built 1965 Load: 34.0 t ADT: 19,500

INTERSTATE 8 WB

Good

Over: PINE VALLEY RD

11-SD-008-R43.53, San Diego, CA

Built 1974 Load: 34.0 t ADT: 8,900

DRAIS RD

Good

Over: SOUTH BRANCH CHANNEL A

0.8 MI S COPPEROPOLIS RD, San Joaquin, CA

Built 1972 Load: 34.0 t ADT: 314

STATE ROUTE 1

Good

Over: EL JARO CREEK

05-SB-001-13.34, Santa Barbara, CA

Built 1959 Load: 34.0 t ADT: 6,900

CATHEDRAL OAKS RD

Good

Over: SAN PEDRO CREEK

0.7 MI WEST OF FAIRVIEW, Santa Barbara, CA

Built 1970 Load: 34.0 t ADT: 8,535

LILAC LN

Good

Over: BUENA VISTA CREEK

NORTH TOLLIS AVE, Santa Barbara, CA

Built 1965 Load: 34.0 t ADT: 422

NB U.S. HWY 101

Good

Over: UP, AMTRAK & PRIVATE RD

04-SCL-101-R0.81, Santa Clara, CA

Built 1950 Load: 34.0 t ADT: 26,000

SAN ANTONIO ST

Good

Over: SILVER CREEK

0.4 MI SW OF I-680, Santa Clara, CA

Built 1974 Load: 34.0 t ADT: 10,430

STATE ROUTE 299

Good

Over: DRY CREEK

02-SHA-299-31.50, Shasta, CA

Built 1953 Load: 34.0 t ADT: 4,475

STATE ROUTE 118

Good

Over: SANTA CLARA RIVER

07-VEN-118-1.63, Ventura, CA

Built 1994 Load: 34.0 t ADT: 44,500

STATE ROUTE 65 NB

Good

Over: HUTCHINSON CREEK

03-YUB-065-R7.42, Yuba, CA

Built 1971 Load: 34.0 t ADT: 8,100

Showing 23,901-23,950 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.