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

LOS GATOS ROAD

Good

Over: LOS GATOS CREEK

11.31 MI W OF DERRICK BL, Fresno, CA

Built 1974 Load: 60.6 t ADT: 200

AUBURN BOULEVARD

Good

Over: BROOKTREE CREEK

0.05 MI N MANZANITA AVE, Sacramento, CA

Built 1927 Load: 60.6 t ADT: 26,461

UNION SCHOOL ROAD

Good

Over: WEST FORK STILLWATER CRK

0.2 MI W OLD OREGON TRAIL, Shasta, CA

Built 1968 Load: 60.6 t ADT: 1,175

GAVIN MANDRY DRIVE

Good

Over: BEST SLOUGH CREEK

2.0 MILES EAST OF INTERSE, Yuba, CA

Built 2022 Load: 60.8 t ADT: 400

RAMONA ST

Good

Over: PINOLE CREEK

0.1 MI E OF PINOLE VAL RD, Contra Costa, CA

Built 1971 Load: 60.9 t ADT: 1,500

LOS GATOS ROAD

Good

Over: LOS GATOS CREEK

11.14 MI W OF DERRICK BL, Fresno, CA

Built 1974 Load: 60.9 t ADT: 200

INTERSTATE 505

Good

Over: CHICKAHOMINY SLOUGH

03-YOL-505-3.37, Yolo, CA

Built 1980 Load: 60.9 t ADT: 12,000

PARKRIDGE AVENUE

Good

Over: NORTH NORCO CHANNEL

0.12 MI. S/O SECOND ST., Riverside, CA

Built 1979 Load: 61.2 t ADT: 3,437

INTERSTATE 8 EB

Good

Over: LAS BANCAS RD

11-SD-008-R40.84R, San Diego, CA

Built 1974 Load: 61.2 t ADT: 9,800

SB US HIGHWAY 101

Good

Over: UP RR & AMTRAK

04-SCL-101-R5.10, Santa Clara, CA

Built 1973 Load: 61.2 t ADT: 26,000

LEBEC ROAD

Good

Over: CUDDY CREEK

0.06 MI N FRAZIER MTN RD, Kern, CA

Built 1982 Load: 61.6 t ADT: 3,800

GORGE RD

Good

Over: LAS FLORES CRK

100FT E/O LAS FLORES C RD, Los Angeles, CA

Built 1945 Load: 61.6 t ADT: 102

STATE ROUTE 26

Good

Over: INDIAN CREEK

10-CAL-026-2.46, Calaveras, CA

Built 1998 Load: 61.9 t ADT: 3,710

SOLEDAD CYN RD

Good

Over: SANTA CLARA RIV / SPTC

6.0MI SW/O SR-14 FWY, Los Angeles, CA

Built 1948 Load: 61.9 t ADT: 2,550

ARROW HWY

Good

Over: LITTLE DALTON WASH

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

Built 1952 Load: 61.9 t ADT: 25,376

SLAUSON AVE

Good

Over: ACTA

40FT E/O ALAMEDA ST, Los Angeles, CA

Built 2000 Load: 61.9 t ADT: 24,751

WICKES AVE

Good

Over: ESTUDILLO CANAL DITCH

0.15 MI S MANOR BLVD, Alameda, CA

Built 1972 Load: 62.2 t ADT: 12,900

BANGOR PARK RD

Good

Over: WILSON CREEK

0.4 MI E DUNSTONE DR, Butte, CA

Built 1950 Load: 62.2 t ADT: 300

FOURTH AVENUE

Good

Over: BRANCH OF EASTSIDE CANAL

0.25 MI W NORTHRUP ROAD, Merced, CA

Built 1968 Load: 62.2 t ADT: 150

2ND STREET

Good

Over: NORTH NORCO CHANNEL

0.16 MI E/O PARKRIDGE AVE, Riverside, CA

Built 1979 Load: 62.2 t ADT: 4,352

US HIGHWAY 101 SB

Good

Over: SOLOMON SUMMIT UC

05-SB-101-78.69, Santa Barbara, CA

Built 1956 Load: 62.2 t ADT: 14,500

US HIGHWAY 101 NB

Good

Over: SOLOMON SUMMIT UC

05-SB-101-78.69, Santa Barbara, CA

Built 1956 Load: 62.2 t ADT: 14,500

LAKEWOOD PLACE

Good

Over: CUDDY CREEK

0.02 MI N LAKEWOOD DR, Kern, CA

Built 1979 Load: 62.5 t ADT: 835

STATE ROUTE 27

Good

Over: TOPANGA CREEK

07-LA-027-2.02, Los Angeles, CA

Built 1941 Load: 62.5 t ADT: 15,950

LA LOMA RD

Good

Over: ARROYO SECO CHAN

100FT W/O ARROYO BLVD, Los Angeles, CA

Built 1914 Load: 62.5 t ADT: 3,570

STATE ROUTE 1

Good

Over: PFEIFFER CANYON

05-MON-001-45.52, Monterey, CA

Built 2017 Load: 62.5 t ADT: 3,150

LAKE ROAD

Good

Over: SAN DIEGO CREEK CHANNEL

0.2 MI SE BARRANCA PKWY, Orange, CA

Built 1981 Load: 62.5 t ADT: 5,100

U.S. HIGHWAY 101

Good

Over: SOUTH FORK EEL RIVER

01-HUM-101-R8.30, Humboldt, CA

Built 1969 Load: 62.9 t ADT: 5,700

WHITWORTH ROAD

Good

Over: GARZAS CREEK

0.1 MI S TAGLIO ROAD, Merced, CA

Built 1977 Load: 62.9 t ADT: 160

OCEANVIEW-S15 ONRA

Good

Over: CHOLLAS CREEK

11-SD-015-R0.68-SD, San Diego, CA

Built 1978 Load: 62.9 t ADT: 10,000

HUMBOLT AVENUE

Good

Over: DEER CREEK CHANNEL

0.4 MI W HAVEN AVE, San Bernardino, CA

Built 1982 Load: 63.2 t ADT: 2,200

SIXTH STREET

Good

Over: DEER CREEK CHANNEL

0.6 MI E ARCHIBALD AVE, San Bernardino, CA

Built 1981 Load: 63.2 t ADT: 13,440

EIGHTH STREET

Good

Over: DEER CREEK CHANNEL

0.4 MI W HAVEN AVE, San Bernardino, CA

Built 1982 Load: 63.2 t ADT: 3,489

STATE ROUTE 32

Good

Over: NORTH FORK DEER CREEK

02-TEH-032-24.02, Tehama, CA

Built 1972 Load: 63.2 t ADT: 1,100

CAMPBELL RIDGE RD.

Good

Over: CAMPBELL RIDGE SLIDE

5.4 MI NWEST OF SR299, Trinity, CA

Built 2006 Load: 63.2 t ADT: 100

STATE ROUTE 108

Good

Over: WEST WALKER RIVER

09-MNO-108-12.93, Mono, CA

Built 1940 Load: 63.5 t ADT: 3,050

WHIPPLE RD

Good

Over: DRY CREEK

0.1 MI W OF 7TH ST, Alameda, CA

Built 1950 Load: 63.8 t ADT: 10,300

INTERSTATE 5 SB

Good

Over: STONE CORRAL CREEK

03-COL-005-R27.74, Colusa, CA

Built 1971 Load: 63.8 t ADT: 12,500

INTERSTATE 5

Good

Over: SALT CREEK

03-COL-005-R19.25, Colusa, CA

Built 1971 Load: 63.8 t ADT: 15,000

INTERSTATE 5

Good

Over: SALT CREEK

03-COL-005-R19.25, Colusa, CA

Built 1971 Load: 63.8 t ADT: 15,000

STATE ROUTE 91

Good

Over: BNSF RY,AMTRAK,METROLINK

08-RIV-091-R1.14, Riverside, CA

Built 1970 Load: 63.8 t ADT: 264,000

INTERSTATE 5

Good

Over: SASSAFRAS STREET

11-SD-005-R17.77-SD, San Diego, CA

Built 1967 Load: 63.8 t ADT: 73,500

COUNTY ROAD # 13

Good

Over: SLOUGH 7

0.25 MI EAST OF CR 98, Yolo, CA

Built 1979 Load: 63.8 t ADT: 1,309

BROADWAY RD

Good

Over: SHEKELL WASH

0.3 MI W GRIMES CYN RD, Ventura, CA

Built 1950 Load: 64.2 t ADT: 2,400

INTERSTATE 5

Good

Over: FLETCHER DR

07-LA-005-22.97-LA, Los Angeles, CA

Built 1961 Load: 64.5 t ADT: 264,292

CANTARA STREET

Good

Over: TUJUNGA WASH

0.5 MI E/O WOODMAN AVE, Los Angeles, CA

Built 1952 Load: 64.5 t ADT: 5,400

MINTURN ROAD

Good

Over: DUTCHMAN CREEK

0.4 MI S BUCHAN HOLOW RD, Merced, CA

Built 1974 Load: 64.5 t ADT: 1,613

E&W134-E2 CONNECTR

Good

Over: GLENOAKS BLVD

07-LA-134-R9.03-GNDL, Los Angeles, CA

Built 1978 Load: 64.8 t ADT: 24,787

ATLANTIC BLVD

Good

Over: LOS ANGELES RIV

0.6MI N/O SLAUSON AVE, Los Angeles, CA

Built 1931 Load: 64.8 t ADT: 58,397

9TH ST

Good

Over: SAN ANTONIO WASH

450FT E/O E END AVE, Los Angeles, CA

Built 1962 Load: 64.8 t ADT: 2,500

Showing 25,601-25,650 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.