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

W210-N5 CONNECTOR

Unknown

Over: I 5 TRUCK NBND

07-LA-210-R0.02-LA, Los Angeles, CA

Built 1971 ADT: 17,800

N57-W210 CONNECTOR

Unknown

Over: W210-S57 CONNECTOR RAMP

07-LA-057-R11.65L-GDR, Los Angeles, CA

Built 1971 ADT: 22,000

STATE ROUTE 210

Unknown

Over: AMELIA AVENUE

07-LA-210-R44.71-GDR, Los Angeles, CA

Built 1970 ADT: 3,500

AMELIA AVE

Unknown

Over: W210-S57 CONNECTOR RAMP

07-LA-210-R44.72-GDR, Los Angeles, CA

Built 1970 ADT: 29,500

STATE ROUTE 57

Unknown

Over: COVINA BLVD

07-LA-057-R10.27-SDMS, Los Angeles, CA

Built 1971 ADT: 7,000

E&W10-S57 CONN

Unknown

Over: SAN JOSE WASH, CAMPUS DR

07-LA-010-42.34-POM, Los Angeles, CA

Built 1972 ADT: 99

STATE ROUTE 71 WB

Unknown

Over: I 10 & CONN

07-LA-071-R0.52-POM, Los Angeles, CA

Built 1972 ADT: 247,000

STATE ROUTE 71 EB

Unknown

Over: I 10 & CONN

07-LA-071-R0.52-POM, Los Angeles, CA

Built 1972 ADT: 11,300

E10-S71 CONNECTOR

Unknown

Over: N57-E10 CONNECTOR RAMP

07-LA-010-42.53-POM, Los Angeles, CA

Built 1972 ADT: 32,000

S57-E10 CONNECTOR

Unknown

Over: N57-E10 CONNECTOR RAMP

07-LA-057-R7.72-POM, Los Angeles, CA

Built 1972 ADT: 32,000

VIA VERDE

Unknown

Over: STATE ROUTE 57

07-LA-057-R8.71-SDMS, Los Angeles, CA

Built 1971 ADT: 158,000

STATE ROUTE 57

Unknown

Over: INTERSTATE 10 & E10-S71

07-LA-057-R7.66-POM, Los Angeles, CA

Built 1972 ADT: 17,900

E10-N57 CONNECTOR

Unknown

Over: INTERSTATE 10 AND RAMPS

07-LA-010-42.44-POM, Los Angeles, CA

Built 1972 ADT: 15,000

S57-E10 CONNECTOR

Unknown

Over: I 10 & N71-W10 CONNECTOR

07-LA-057-R7.72-SDMS, Los Angeles, CA

Built 1972 ADT: 189,000

N57-W10 CONNECTOR

Unknown

Over: INTERSTATE 10 & CONNS

07-LA-057-R7.66-POM, Los Angeles, CA

Built 1972 ADT: 13,800

W10-S57 CONNECTOR

Unknown

Over: INTERSTATE 10 AND RAMPS

07-LA-010-42.45-POM, Los Angeles, CA

Built 1972 ADT: 15,000

STATE ROUTE 57

Unknown

Over: SAN DIMAS AVENUE

07-LA-057-R9.82-SDMS, Los Angeles, CA

Built 1971 ADT: 6,300

W210-FOOTHILL OFF

Unknown

Over: FOOTHILL BL-W210 ON RAMP

07-LA-210-R29.65, Los Angeles, CA

Built 1971 ADT: 7,700

ROCKVALE AVE POC

Unknown

Over: INTERSTATE 210

07-LA-210-R40.25-AZU, Los Angeles, CA

Built 1969 ADT: 250,000

E210-S57 CONNECTOR

Unknown

Over: SAN DIMAS CH, LONE HILL

07-LA-210-R44.20-GDR, Los Angeles, CA

Built 1970 ADT: 19,600

INTERSTATE 210 WB

Unknown

Over: FOOTHILL BLVD

07-LA-210-R0.43-LA, Los Angeles, CA

Built 1971 ADT: 2,800

INTERSTATE 210 EB

Unknown

Over: FOOTHILL BLVD

07-LA-210-R0.43-LA, Los Angeles, CA

Built 1971 ADT: 2,800

INTERSTATE 210 WB

Unknown

Over: YARNELL STREET

07-LA-210-R0.84-LA, Los Angeles, CA

Built 1970 ADT: 2,100

INTERSTATE 210 EB

Unknown

Over: YARNELL STREET

07-LA-210-R0.84-LA, Los Angeles, CA

Built 1970 ADT: 2,100

PEDESTRIAN WALKWAY

Unknown

Over: STATE ROUTE 2

07-LA-002-R17.52-LA, Los Angeles, CA

Built 1976 ADT: 143,000

W210-FOOTHILL OFF

Unknown

Over: MICHILLINDA AVE & ONRAMP

07-LA-210-R29.81-ADA, Los Angeles, CA

Built 1971 ADT: 6,800

E210-COLORADO OFF

Unknown

Over: ROSEMEAD BL-E210 ON RAMP

07-LA-210-R29.66, Los Angeles, CA

Built 1971 ADT: 2,800

CERRITOS AVENUE

Unknown

Over: INTERSTATE 210

07-LA-210-R40.07-AZU, Los Angeles, CA

Built 1969 ADT: 250,000

CITRUS AVENUE

Unknown

Over: INTERSTATE 210

07-LA-210-R40.60-AZU, Los Angeles, CA

Built 1969 ADT: 250,000

STATE ROUTE 47 WB

Unknown

Over: PACIFIC AVE

07-LA-047-R0.17-LA, Los Angeles, CA

Built 1970 ADT: 17,200

STATE ROUTE 47 EB

Unknown

Over: PACIFIC AVE

07-LA-047-R0.17-LA, Los Angeles, CA

Built 1970 ADT: 17,200

INTERSTATE 605 SB

Unknown

Over: SAN GABRIEL RIVER

07-LA-605-22.68-IRW, Los Angeles, CA

Built 1970 ADT: 1,000

INTERSTATE 605 NB

Unknown

Over: SAN GABRIEL RIVER

07-LA-605-22.69-IRW, Los Angeles, CA

Built 1970 ADT: 1,000

UP RR

Unknown

Over: ST RTE 138 (FT TEJON RD)

07-LA-138-51.06, Los Angeles, CA

Built 1967 ADT: 37,000

GRAHAM ACCESS

Unknown

Over: INTERSTATE 605

07-LA-605-23.32-IRW, Los Angeles, CA

Built 1970 ADT: 176,000

LIVE OAK AVE

Unknown

Over: INTERSTATE 605

07-LA-605-23.52-IRW, Los Angeles, CA

Built 1970 ADT: 134,000

ARROW HWY

Unknown

Over: INTERSTATE 605

07-LA-605-23.96-IRW, Los Angeles, CA

Built 1970 ADT: 134,000

INTERSTATE 210 WB

Unknown

Over: ALLEN AVE

07-LA-210-R27.41-PAS, Los Angeles, CA

Built 1976 ADT: 23,500

INTERSTATE 210 EB

Unknown

Over: ALLEN AVE

07-LA-210-R27.41-PAS, Los Angeles, CA

Built 1976 ADT: 23,500

INTERSTATE 210 WB

Unknown

Over: CRAIG AVE

07-LA-210-R27.81-PAS, Los Angeles, CA

Built 1976 ADT: 4,240

INTERSTATE 210 EB

Unknown

Over: CRAIG AVE

07-LA-210-R27.81-PAS, Los Angeles, CA

Built 1976 ADT: 4,240

PEDESTRIAN WALKWAY

Unknown

Over: STATE ROUTE 110

07-LA-110-R0.75-LA, Los Angeles, CA

Built 1970 ADT: 44,250

INTERSTATE 210

Unknown

Over: GRAND AVENUE

07-LA-210-R41.59-GDR, Los Angeles, CA

Built 1969 ADT: 19,500

BARRANCA AVENUE

Unknown

Over: INTERSTATE 210

07-LA-210-R41.11-GDR, Los Angeles, CA

Built 1969 ADT: 250,000

GALANTO AVE POC

Unknown

Over: INTERSTATE 210

07-LA-210-R40.92-AZU, Los Angeles, CA

Built 1969 ADT: 250,000

STATE ROUTE 71

Unknown

Over: RIDGEWAY STREET

07-LA-071-R0.92-POM, Los Angeles, CA

Built 1972 ADT: 8,500

LOWER AZUSA ROAD

Unknown

Over: INTERSTATE 605

07-LA-605-22.15-IRW, Los Angeles, CA

Built 1971 ADT: 180,000

CAMPUS ROAD

Unknown

Over: I 10,CONN,RMPS,METRO,BUS

07-LA-010-21.00-MONP, Los Angeles, CA

Built 1972 ADT: 6,800

MCBEAN PKWY OC

Unknown

Over: ROUTE 5

07-LA-005-R51.44, Los Angeles, CA

Built 1968 ADT: 193,152

MOVIE LANE

Unknown

Over: SR 118

07-LA-118-R1.47, Los Angeles, CA

Built 1968 ADT: 155,000

Showing 2,301-2,350 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.