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%.

Condition Distribution

California45.2%48.3%GoodFairPoor
Bridge inventory deck-condition mix - California (FHWA NBI)

Counties (58)

Alameda 800 Alpine 32 Amador 62 Butte 441 Calaveras 106 Colusa 211 Contra Costa 686 Del Norte 96 El Dorado 196 Fresno 929 Glenn 242 Humboldt 398 Imperial 448 Inyo 67 Kern 686 Kings 168 Lake 129 Lassen 108 Los Angeles 3937 Madera 250 Marin 217 Mariposa 109 Mendocino 357 Merced 532 Modoc 87 Mono 49 Monterey 390 Napa 160 Nevada 135 Orange 1224 Placer 347 Plumas 170 Riverside 1142 Sacramento 775 San Benito 76 San Bernardino 1465 San Diego 1707 San Francisco 170 San Joaquin 666 San Luis Obispo 408 San Mateo 393 Santa Barbara 429 Santa Clara 1041 Santa Cruz 203 Shasta 500 Sierra 65 Siskiyou 423 Solano 383 Sonoma 613 Stanislaus 390 Sutter 120 Tehama 452 Trinity 194 Tulare 599 Tuolumne 128 Ventura 511 Yolo 282 Yuba 136

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.

SPRING CREEK RD

Poor

Over: FALL RIVER

0.5 MI N OF MCARTHUR RD, Shasta, CA

Built 1950 Load: 2.7 t ADT: 50

ORESTIMBA ROAD

Poor

Over: CCID MAIN CANAL

0.1 MI E DRAPER RD, Stanislaus, CA

Built 1919 Load: 2.9 t ADT: 684

CLARK STREET

Poor

Over: M.I.D. CANAL

0.1 MI WEST OF ROAD 26.0, Madera, CA

Built 1955 Load: 3.2 t ADT: 200

GULLING STREET

Poor

Over: MIDDLE FORK FEATHER RIV

0.2 MI S SH 70, Plumas, CA

Built 1954 Load: 3.2 t ADT: 10,046

AVENUE 10

Poor

Over: COTTONWOOD CREEK

JUST E/O ROAD 23, Madera, CA

Built 1950 Load: 3.6 t ADT: 50

S BISHOP AVE

Poor

Over: CRESCENT DITCH

0.64 MI S/O MT WHITNEY AV, Fresno, CA

Built 1950 Load: 3.9 t ADT: 125

All Bridges in California

57 SB ON RAMP

Good

Over: BREA CANYON CHANNEL

12-ORA-057-22.30, Orange, CA

Built 1971 Load: 32.4 t ADT: 2,260

STATE ROUTE 91

Good

Over: ROADSIDE DITCH DRAIN 'A'

12-ORA-091-R10.50-ANA, Orange, CA

Built 1970 Load: 32.4 t ADT: 300,000

STATE ROUTE 91

Good

Over: ROADSIDE DRAIN 'B'

12-ORA-091-R11.79-ANA, Orange, CA

Built 1970 Load: 32.4 t ADT: 192,000

STATE ROUTE 91

Good

Over: ROADSIDE DRAIN 'C'

12-ORA-091-R12.20-ANA, Orange, CA

Built 1970 Load: 32.4 t ADT: 152,000

STATE ROUTE 91

Good

Over: GYPSUM CANYON CREEK

12-ORA-091-R16.46-ANA, Orange, CA

Built 1971 Load: 32.4 t ADT: 290,000

STATE ROUTE 91

Good

Over: COAL CANYON CREEK

12-ORA-091-R17.92R-ANA, Orange, CA

Built 1971 Load: 32.4 t ADT: 145,000

RTE 57 & CHAPMAN

Good

Over: BITTERBUSH CHANNEL

12-ORA-057-11.20-ORA, Orange, CA

Built 1976 Load: 32.4 t ADT: 229,000

INTERSTATE 5

Good

Over: EL MODENA-IRVINE CHANNEL

12-ORA-005-27.82-TUS, Orange, CA

Built 1992 Load: 32.4 t ADT: 300,000

INTERSTATE 5

Good

Over: PETERS CANYON

12-ORA-005-R27.25-IRVN, Orange, CA

Built 1992 Load: 32.4 t ADT: 279,000

BRDWY NB OFF-RP

Good

Over: PARKING LOT

12-ORA-005-33.29-SA, Orange, CA

Built 1996 Load: 32.4 t ADT: 7,800

ALTON PKWY-N241 ON

Good

Over: TOWNE CENTRE DR

12-ORA-241-23.62-LKFR, Orange, CA

Built 1993 Load: 32.4 t ADT: 2,610

STATE ROUTE 241

Good

Over: AQUA CHINON WASH

12-ORA-241-24.67-IRVN, Orange, CA

Built 1993 Load: 32.4 t ADT: 43,000

SR 241

Good

Over: Tijeras Creek

12-ORA-241-17.40-RSM, Orange, CA

Built 1998 Load: 32.4 t ADT: 1,000

SR 241

Good

Over: Tijeras Creek

12-ORA-241-17.40-RSM, Orange, CA

Built 1998 Load: 32.4 t ADT: 4,050

SR 241

Good

Over: Tijeras Creek

12-ORA-241-17.40-RSM, Orange, CA

Built 1998 Load: 32.4 t ADT: 4,050

S73-MACARTHUR OFF

Good

Over: BONITA CREEK

12-ORA-073-23.78-IRVN, Orange, CA

Built 1996 Load: 32.4 t ADT: 6,270

INTERSTATE 5

Good

Over: TUSTIN CHANNEL

12-ORA-005-30.60-TUS, Orange, CA

Built 1995 Load: 32.4 t ADT: 300,000

SR 73 SB

Good

Over: ALISO CREEK

12-ORA-073-13.82-LGNG, Orange, CA

Built 1996 Load: 32.4 t ADT: 25,000

SR 73 NB

Good

Over: ALISO CREEK

12-ORA-073-13.82-LGNG, Orange, CA

Built 1996 Load: 32.4 t ADT: 25,000

SR 73 SB

Good

Over: SAND CANYON AVE (FUTURE)

12-ORA-073-19.50-LGNB, Orange, CA

Built 1996 Load: 32.4 t ADT: 34,500

SR 73 NB

Good

Over: SAND CANYON AVE (FUTURE)

12-ORA-073-19.50-LGNB, Orange, CA

Built 1996 Load: 32.4 t ADT: 34,500

N133-S241 CONNECTR

Good

Over: SANTIAGO AQUEDUCT

12-ORA-133-12.38, Orange, CA

Built 1998 Load: 32.4 t ADT: 14,288

SR 241 NB

Good

Over: WILDLIFE UC

12-ORA-241-35.60-ANA, Orange, CA

Built 1998 Load: 32.4 t ADT: 20,500

SR 241 NB

Good

Over: SANTIAGO CREEK

12-ORA-241-33.70-RSM, Orange, CA

Built 1998 Load: 32.4 t ADT: 20,500

KATELLA-N5 ON-RAMP

Good

Over: DISNEY WAY

12-ORA-005-36.44-ANA, Orange, CA

Built 2000 Load: 32.4 t ADT: 5,668

STATE ROUTE 74

Good

Over: SAN JUAN CREEK

12-ORA-074-R2.28-SJCP, Orange, CA

Built 1995 Load: 32.4 t ADT: 5,500

SR 73 NB

Good

Over: WILDLIFE PATHWAY

12-ORA-073-20.86-LGNB, Orange, CA

Built 1996 Load: 32.4 t ADT: 34,500

SR 241

Good

Over: HAUL ROAD

12-ORA-241-28.70-RSM, Orange, CA

Built 1997 Load: 32.4 t ADT: 36,000

ROUTE 261 SB

Good

Over: UTILITY ROAD

12-ORA-261-4.38-TUS, Orange, CA

Built 1998 Load: 32.4 t ADT: 14,500

ROUTE 261 NB

Good

Over: UTILITY ROAD

12-ORA-261-4.38-TUS, Orange, CA

Built 1998 Load: 32.4 t ADT: 14,500

INTERSTATE 5

Good

Over: CARBON CREEK

12-ORA-005-40.20-ANA, Orange, CA

Built 2002 Load: 32.4 t ADT: 259,800

SR241

Good

Over: WILDLIFE CROSSING

12-ORA-241-27.05-IRVN, Orange, CA

Built 1998 Load: 32.4 t ADT: 48,000

STATE ROUTE 133 SB

Good

Over: LAGUNA LAKES TRAIL

12-ORA-133-R5.62, Orange, CA

Built 2008 Load: 32.4 t ADT: 20,700

STATE ROUTE 133 NB

Good

Over: LAGUNA LAKES TRAIL

12-ORA-133-R5.60, Orange, CA

Built 2008 Load: 32.4 t ADT: 20,700

STATE ROUTE 133 SB

Good

Over: STAGE COACH TRAIL

12-ORA-133-R6.16, Orange, CA

Built 2008 Load: 32.4 t ADT: 20,700

STATE ROUTE 133 NB

Good

Over: STAGE COACH TRAIL

12-ORA-133-R6.16, Orange, CA

Built 2008 Load: 32.4 t ADT: 20,700

N405-BRISTOL OFFRP

Good

Over: AIRPORT CHANNEL

12-ORA-405-8.96-CMS, Orange, CA

Built 2002 Load: 32.4 t ADT: 10,000

I 5 SB

Good

Over: SANTIAGO CREEK

12-ORA-005-33.39-SA, Orange, CA

Built 1996 Load: 32.4 t ADT: 183,000

I 5 NB

Good

Over: SANTIAGO CREEK

12-ORA-005-33.39-SA, Orange, CA

Built 1996 Load: 32.4 t ADT: 183,000

STATE ROUTE 133 SB

Good

Over: LAGUNA CANYON CREEK

12-ORA-133-M4.29, Orange, CA

Built 2008 Load: 32.4 t ADT: 28,500

STATE ROUTE 133 NB

Good

Over: LAGUNA CANYON CREEK

12-ORA-133-M4.31, Orange, CA

Built 2008 Load: 32.4 t ADT: 28,500

STATE ROUTE 1

Good

Over: TIDAL INLET CHANNEL

12-ORA-001-27.31, Orange, CA

Built 2006 Load: 32.4 t ADT: 36,000

INTERSTATE 5 SB

Good

Over: FULLERTON CREEK

12-ORA-005-42.98, Orange, CA

Built 2010 Load: 32.4 t ADT: 95,850

STATE ROUTE 74 WB

Good

Over: HILLSIDE

12-ORA-074-14.96, Orange, CA

Built 2010 Load: 32.4 t ADT: 9,800

STATE ROUTE 74 EB

Good

Over: HILLSIDE

12-ORA-074-14.97, Orange, CA

Built 2010 Load: 32.4 t ADT: 9,800

STATE ROUTE 74 WB

Good

Over: HILLSIDE

12-ORA-074-15.75, Orange, CA

Built 2008 Load: 32.4 t ADT: 9,800

INTERSTATE 5

Good

Over: AVENIDA PICO

12-ORA-005-3.39-SCLE, Orange, CA

Built 2017 Load: 32.4 t ADT: 200,100

EL CAMINO REAL

Good

Over: PRIMA DESHECHA CANADA

100' E/O CAMINO CAPISTRAN, Orange, CA

Built 1928 Load: 32.4 t ADT: 16,000

BAKER STREET

Good

Over: SANTA ANA DELHI CHANNEL

0.2 MI. E/O BRISTOL ST., Orange, CA

Built 1981 Load: 32.4 t ADT: 27,000

CALIFORNIA STREET

Good

Over: GREENVILLE-BANNING CHNL

150' N/O IOWA STREET, Orange, CA

Built 1963 Load: 32.4 t ADT: 300

Showing 21,551-21,600 of 27,040 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
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.

Understanding Bridge Conditions

How FHWA rates bridge condition on a 0-9 scale.

Check Your Daily Bridges

How to look up bridge condition data for bridges on your route.

Read our methodology — how this data is sourced, computed, and verified.

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.