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 159

Good

Over: NORTH FORK BISHOP CREEK

WEST SIDE OF BISHOP, Inyo, CA

Built 1975 Load: 32.7 t ADT: 200

STATE ROUTE 178 EB

Good

Over: ELIZABETH NORRIS ROAD

06-KER-178-R41.64, Kern, CA

Built 1974 Load: 32.7 t ADT: 2,100

E Refuge Bound. Rd

Good

Over: Poso Creek

S.E. corner of refuge., Kern, CA

Built 2013 Load: 32.7 t ADT: 1

STATE ROUTE 1

Good

Over: BIKEWAY

07-LA-001-23.79-MANB, Los Angeles, CA

Built 1930 Load: 32.7 t ADT: 60,000

INTERSTATE 210

Good

Over: LITTLE TUJUNGA WASH

07-LA-210-R8.28-LA, Los Angeles, CA

Built 1980 Load: 32.7 t ADT: 113,000

HACIENDA BLVD

Good

Over: SAN JOSE CRK

6.0MI N/O WHITTIER BL, Los Angeles, CA

Built 1964 Load: 32.7 t ADT: 41,856

BOUQUET CYN RD SX

Good

Over: BOUQUET CYN CRK

0.8MI N/O SOLEDAD CYN RD, Los Angeles, CA

Built 1972 Load: 32.7 t ADT: 53,590

CANDLEWOOD ST

Good

Over: DOWNEY AVE DRN

200FT E/O DOWNEY AVE, Los Angeles, CA

Built 1960 Load: 32.7 t ADT: 14,639

TUJUNGA AVE

Good

Over: LOS ANGELES RIVER

BTWN DILING ST & VNTRA B, Los Angeles, CA

Built 1949 Load: 32.7 t ADT: 20,856

PALM DR

Good

Over: ARCADIA WASH

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

Built 1955 Load: 32.7 t ADT: 1,224

GROVE ST

Good

Over: THOMPSON CRK

0.3MI W/O GAREY AVE, Los Angeles, CA

Built 1965 Load: 32.7 t ADT: 1,500

HERMOSA AVE

Good

Over: PICKENS CYN CHAN

0.1MI W/O ROSEMONT AVE, Los Angeles, CA

Built 1935 Load: 32.7 t ADT: 1,020

FS RD 3N24.1

Good

Over: BIG TUJUNGA CREEK

2.0 MI S.OF ANGELES F.HWY, Los Angeles, CA

Built 1947 Load: 32.7 t ADT: 10

25TH STREET ENTRY

Good

Over: DRAINAGE DITCH

0.1 miles north of 25th S, Los Angeles, CA

Built 1954 Load: 32.7 t ADT: 40

ROAD 8

Good

Over: ASH SLOUGH

0.3 MILES SOUTH OF AVE 22, Madera, CA

Built 1969 Load: 32.7 t ADT: 260

SKY RANCH ROAD

Good

Over: SIPHON MID DITCH

NO DATA ENTERED, Madera, CA

Built 2015 Load: 32.7 t ADT: 100

IRR BIA RTE 76

Good

Over: MUD CREEK

7 KM NE OF ALTURAS, Modoc, CA

Built 1995 Load: 32.7 t ADT: 10

US HIGHWAY 395 SB

Good

Over: MAMMOTH CREEK

09-MNO-395-R24.97, Mono, CA

Built 1969 Load: 32.7 t ADT: 8,450

US HIGHWAY 395 NB

Good

Over: MAMMOTH CREEK

09-MNO-395-R24.96, Mono, CA

Built 1969 Load: 32.7 t ADT: 7,000

US HIGHWAY 101 NB

Good

Over: PARIS VALLEY ROAD

05-MON-101-R21.99, Monterey, CA

Built 1971 Load: 32.7 t ADT: 7,200

MISSION RD

Good

Over: DRAIN FROM ENGR RESRV

S SULPHUR SPRING CANYON, Monterey, CA

Built 1994 Load: 32.7 t ADT: 50

GOLF ROAD

Good

Over: BOLSA CHICA CHANNEL

NWS SEAL BEACH, Orange, CA

Built 1966 Load: 32.7 t ADT: 50

STATE ROUTE 91

Good

Over: BNSF RY,AMTRAK,METROLINK

12-ORA-091-4.05-ANA, Orange, CA

Built 1959 Load: 32.7 t ADT: 265,000

INTERSTATE 10 EB

Good

Over: QUARTZ DITCH

08-RIV-010-R108.28, Riverside, CA

Built 1966 Load: 32.7 t ADT: 21,400

INTERSTATE 10 WB

Good

Over: BROWN ARROYO

08-RIV-010-R68.29, Riverside, CA

Built 1964 Load: 32.7 t ADT: 11,250

WINCHESTER-N15 ON

Good

Over: SANTA GERTRUDIS CREEK

08-RIV-015-6.73-TMCA, Riverside, CA

Built 1976 Load: 32.7 t ADT: 9,000

INTERSTATE 10

Good

Over: TARANTULA DITCH

08-RIV-010-R116.78, Riverside, CA

Built 1966 Load: 32.7 t ADT: 10,700

INTERSTATE 10 EB

Good

Over: TARANTULA DITCH

08-RIV-010-R116.78, Riverside, CA

Built 1966 Load: 32.7 t ADT: 10,700

INTERSTATE 10

Good

Over: RUBBLE DITCH

08-RIV-010-R120.74, Riverside, CA

Built 1966 Load: 32.7 t ADT: 10,700

INTERSTATE 15 SB

Good

Over: WASSON CANYON WASH

08-RIV-015-21.57, Riverside, CA

Built 1982 Load: 32.7 t ADT: 61,000

PRAIRIE CITY ROAD

Good

Over: ALDER CREEK

0.1 MI S OF U.S. 50, Sacramento, CA

Built 1967 Load: 32.7 t ADT: 968

ROUTE 40 E BOUND

Good

Over: NEBO STREET

08-SBD-040-R4.71, San Bernardino, CA

Built 1964 Load: 32.7 t ADT: 9,850

RIVERSIDE DR

Good

Over: CUCAMONGA CREEK CHANNEL

0.2 MI W ARCHIBALD AVE, San Bernardino, CA

Built 1979 Load: 32.7 t ADT: 15,943

GOLDSTONE RD

Good

Over: STORM DRAINAGE CHANNEL

NEAR RHINELAND DRIVE, San Bernardino, CA

Built 1960 Load: 32.7 t ADT: 1,300

WTP ROAD

Good

Over: STORM DRAINAGE

COLDSTONE ROAD, San Bernardino, CA

Built 2016 Load: 32.7 t ADT: 50

WTP RD

Good

Over: STORM DRAINAGE

COLDSTONE RD, San Bernardino, CA

Built 2016 Load: 32.7 t ADT: 50

SIDEWINDER RD.

Good

Over: CREEK

NWSSBFA, San Diego, CA

Built 1990 Load: 32.7 t ADT: 1

FOURTH STREET

Good

Over: PALETA CREEK

3/4MI N OF RECREATION WAY, San Diego, CA

Built 1997 Load: 32.7 t ADT: 100

DIVISION STREET

Good

Over: PALETA CREEK

1/4MI N OF RECREATION WAY, San Diego, CA

Built 1997 Load: 32.7 t ADT: 50

INTERSTATE 5

Good

Over: OTAY RIVER

11-SD-005-5.01-SD, San Diego, CA

Built 1952 Load: 32.7 t ADT: 143,000

STATE ROUTE 88

Good

Over: MOKELUMNE RIVER

10-SJ-088-19.80, San Joaquin, CA

Built 1954 Load: 32.7 t ADT: 15,000

EIGHT MILE RD

Good

Over: CALAVERAS RIVER

1.4 MI WEST OF SH 88, San Joaquin, CA

Built 1963 Load: 32.7 t ADT: 4,504

KETTLEMAN LANE

Good

Over: BEAR CREEK

0.1 MI E OF S.R. 88, San Joaquin, CA

Built 1964 Load: 32.7 t ADT: 1,253

SAN SIMEON CRK RD

Good

Over: SAN SIMEON CREEK

5.7 MI E OF SR 1, San Luis Obispo, CA

Built 1964 Load: 32.7 t ADT: 670

LAS PILITAS RD

Good

Over: PILITAS CREEK

3.8 MI E SANTA MARG RD, San Luis Obispo, CA

Built 1930 Load: 32.7 t ADT: 262

13TH STREET

Good

Over: SANTA YNEZ RIVER

0.5 MILE FROM 13TH STREET, Santa Barbara, CA

Built 2017 Load: 32.7 t ADT: 3,000

QUITO ROAD

Good

Over: SAN TOMAS CREEK

NEAR BICKNELL ROAD, Santa Clara, CA

Built 1993 Load: 32.7 t ADT: 5,780

INTERSTATE 5 SB

Good

Over: ANTLER ROAD

02-SHA-005-R41.05, Shasta, CA

Built 1972 Load: 32.7 t ADT: 8,600

CASSEL ROAD

Good

Over: RISING RIVER

2 MI. NE OF ROUTE 89, Shasta, CA

Built 1964 Load: 32.7 t ADT: 200

MINERS CREEK ROAD

Good

Over: FRENCH CREEK

0.1 MI E FRENCH CREEK RD, Siskiyou, CA

Built 1967 Load: 32.7 t ADT: 62

Showing 23,701-23,750 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.