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

STATE ROUTE 91

Unknown

Over: I 710, W91-S710,N710-W91

07-LA-091-R11.64-LBCH, Los Angeles, CA

Built 1974 ADT: 35,000

E91-N710 CONNECTOR

Unknown

Over: I 710, W91-S710,N710-E91

07-LA-091-R11.65-LBCH, Los Angeles, CA

Built 1974 ADT: 65,000

STATE ROUTE 91

Unknown

Over: SUSANA RD

07-LA-091-R10.81-COM, Los Angeles, CA

Built 1974 ADT: 7,500

W134-ORANGE GROVE

Unknown

Over: E210-W134 & N710-W134

07-LA-134-R13.08-PAS, Los Angeles, CA

Built 1974 ADT: 7,690

MAPLE ST

Unknown

Over: I-210 & I-710 CONN

07-LA-210-R24.58-PAS, Los Angeles, CA

Built 1975 ADT: 8,350

W210-S710 CONN

Unknown

Over: ROUTE 210 EB

07-LA-210-R25.10-PAS, Los Angeles, CA

Built 1974 ADT: 294,000

S. PASADENA AVE

Unknown

Over: N710-E210 CONNECTOR RAMP

07-LA-710-R32.68-PAS, Los Angeles, CA

Built 1975 ADT: 66,000

WALNUT ST

Unknown

Over: N710-E210 CONNECTOR RAMP

07-LA-710-R32.69-PAS, Los Angeles, CA

Built 1975 ADT: 66,000

MAPLE ST-W210

Unknown

Over: W210-S710 & W210 CONN

07-LA-210-R25.21-PAS, Los Angeles, CA

Built 1974 ADT: 14,600

WALNUT ST

Unknown

Over: E210-W134 CONNECTOR RAMP

07-LA-210-R24.94-PAS, Los Angeles, CA

Built 1974 ADT: 5,700

DEL MAR BLVD

Unknown

Over: INTERSTATE 710

07-LA-710-T32.11-PAS, Los Angeles, CA

Built 1975 ADT: 47,000

GREEN ST

Unknown

Over: INTERSTATE 710

07-LA-710-R32.37-PAS, Los Angeles, CA

Built 1975 ADT: 47,000

COLORADO BLVD

Unknown

Over: INTERSTATE 710

07-LA-710-R32.45-PAS, Los Angeles, CA

Built 1975 ADT: 220,000

ST JOHN AVENUE

Unknown

Over: E134-S710 CONNECTOR RAMP

07-LA-134-R13.23-PAS, Los Angeles, CA

Built 1975 ADT: 225,000

N710-W134 CONNECTR

Unknown

Over: I 710, CONNS, ST JOHN AV

07-LA-710-R32.63-PAS, Los Angeles, CA

Built 1975 ADT: 32,900

WALNUT STREET

Unknown

Over: W210&E210-S710,N710-W210

07-LA-210-R24.95-PAS, Los Angeles, CA

Built 1975 ADT: 9,300

ORANGE GROVE-E134

Unknown

Over: SR 134 & CONNECTORS

07-LA-134-R13.07-PAS, Los Angeles, CA

Built 1974 ADT: 220,000

INTERSTATE 10

Unknown

Over: LARK ELLEN AVE

07-LA-010-35.97-WCOV, Los Angeles, CA

Built 1975 ADT: 14,000

INTERSTATE 10

Unknown

Over: HOLLENBECK STREET

07-LA-010-36.98-WCOV, Los Angeles, CA

Built 1975 ADT: 11,200

FAIR OAKS AVE

Unknown

Over: ROUTE 210

07-LA-210-R25.29-PAS, Los Angeles, CA

Built 1975 ADT: 294,000

MARENGO AVE

Unknown

Over: ROUTE 210

07-LA-210-R25.54-PAS, Los Angeles, CA

Built 1976 ADT: 294,000

LOS ROBLES AVE

Unknown

Over: ROUTE 210

07-LA-210-R25.81-PAS, Los Angeles, CA

Built 1976 ADT: 294,000

EL MOLINO AVE

Unknown

Over: ROUTE 210

07-LA-210-R26.07-PAS, Los Angeles, CA

Built 1976 ADT: 294,000

LAKE AVE

Unknown

Over: ROUTE 210

07-LA-210-R26.33-PAS, Los Angeles, CA

Built 1976 ADT: 294,000

WILSON AVE

Unknown

Over: ROUTE 210

07-LA-210-R26.57-PAS, Los Angeles, CA

Built 1976 ADT: 294,000

INTERSTATE 210 WB

Unknown

Over: ALTADENA DR

07-LA-210-R28.25-PAS, Los Angeles, CA

Built 1976 ADT: 60,500

INTERSTATE 210 EB

Unknown

Over: ALTADENA DR

07-LA-210-R28.25-PAS, Los Angeles, CA

Built 1976 ADT: 22,720

INTERSTATE 210 WB

Unknown

Over: SIERRA MADRE BLVD

07-LA-210-R28.46-PAS, Los Angeles, CA

Built 1976 ADT: 60,500

INTERSTATE 210 EB

Unknown

Over: SIERRA MADRE BLVD

07-LA-210-R28.46-PAS, Los Angeles, CA

Built 1976 ADT: 67,200

INTERSTATE 210 WB

Unknown

Over: SUNNYSLOPE AVE

07-LA-210-R28.73-PAS, Los Angeles, CA

Built 1976 ADT: 67,200

INTERSTATE 210 EB

Unknown

Over: SUNNYSLOPE AVE

07-LA-210-R28.73-PAS, Los Angeles, CA

Built 1976 ADT: 32,000

ROSEMONT AVE

Unknown

Over: ROUTE 210

07-LA-210-R17.72, Los Angeles, CA

Built 1972 ADT: 166,000

PICKENS CYN FLM OC

Unknown

Over: SR 210

07-LA-210-R17.79, Los Angeles, CA

Built 1972 ADT: 147,000

HALLS CYN FLUME OC

Unknown

Over: SR 210

07-LA-210-R18.14, Los Angeles, CA

Built 1972 ADT: 147,000

OCEAN VIEW BLVD

Unknown

Over: INTERSTATE 210

07-LA-210-R18.22, Los Angeles, CA

Built 1972 ADT: 186,000

LA CRESCENTA AVE

Unknown

Over: ROUTE 210

07-LA-210-R17.38, Los Angeles, CA

Built 1972 ADT: 166,000

ROUTE 90

Unknown

Over: CENTINELA AVE

07-LA-090-R1.72-LA, Los Angeles, CA

Built 1972 ADT: 17,000

STATE ROUTE 134

Unknown

Over: I-710, STREET & CONN

07-LA-134-R13.24-PAS, Los Angeles, CA

Built 1975 ADT: 6,550

E134-W210 CONNECTR

Unknown

Over: 210,710,134 & CONN

07-LA-134-R13.25-PAS, Los Angeles, CA

Built 1974 ADT: 220,000

BRIGGS AVENUE

Unknown

Over: INTERSTATE 210

07-LA-210-R18.01, Los Angeles, CA

Built 1972 ADT: 186,000

RAMSDELL AVE

Unknown

Over: ROUTE 210

07-LA-210-R17.09, Los Angeles, CA

Built 1972 ADT: 166,000

E134-FAIR OAKS AVE

Unknown

Over: N710-E210 CONNECTOR

07-LA-210-R25.12-PAS, Los Angeles, CA

Built 1974 ADT: 295,000

STATE ROUTE 118 WB

Unknown

Over: INTERSTATE 5

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

Built 1976 ADT: 291,000

STATE ROUTE 118 EB

Unknown

Over: INTERSTATE 5

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

Built 1976 ADT: 291,000

LAUREL CYN BL ON R

Unknown

Over: ROUTE 5

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

Built 1976 ADT: 291,000

LAUREL CYN BL OFF

Unknown

Over: ROUTE 5

07-LA-118-R11.43R-LA, Los Angeles, CA

Built 1976 ADT: 275,825

W118-S5 CONNECTOR

Unknown

Over: ROUTES 5 & 118,LAUREL CY

07-LA-118-R11.52L-LA, Los Angeles, CA

Built 1976 ADT: 133,500

E118-S5 CONN

Unknown

Over: PAXTON ON/OFF RA, CHAN

07-LA-118-R11.41R-LA, Los Angeles, CA

Built 1976 ADT: 28,084

N5-W118 CONNECTOR

Unknown

Over: I 5 & SR 118,CONNS,WASH

07-LA-005-39.31-LA, Los Angeles, CA

Built 1976 ADT: 276,650

S5-E118 CONNECTOR

Unknown

Over: ROUTES 5 & 118, & CONNS

07-LA-005-39.36-LA, Los Angeles, CA

Built 1976 ADT: 133,798

Showing 2,451-2,500 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.