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

WARD ROAD

Unknown

Over: ROUTE 14

07-LA-014-46.76, Los Angeles, CA

Built 1968 ADT: 98,000

SB I-5 (TRUCK)

Unknown

Over: ROUTE 405

07-LA-005-41.55-LA, Los Angeles, CA

Built 1974 ADT: 144,864

SOLEDAD CANYON RD

Unknown

Over: SOLEDAD CANYON RD

07-LA-014-35.71, Los Angeles, CA

Built 1963 ADT: 2,800

INTERSTATE 10

Unknown

Over: MOTOR AVE

07-LA-010-R6.74-LA, Los Angeles, CA

Built 1964 ADT: 18,100

MANNING AV-E10 ON

Unknown

Over: INTERSTATE 10

07-LA-010-R7.08-LA, Los Angeles, CA

Built 1964 ADT: 254,000

INTERSTATE 10

Unknown

Over: NATIONAL BLVD

07-LA-010-R7.21-LA, Los Angeles, CA

Built 1964 ADT: 29,281

INTERSTATE 10

Unknown

Over: ROBERTSON BL-W10 ON RAMP

07-LA-010-R7.83-LA, Los Angeles, CA

Built 1964 ADT: 16,001

INTERSTATE 10

Unknown

Over: ROBERTSON BL NATIONAL BL

07-LA-010-R7.92-LA, Los Angeles, CA

Built 1964 ADT: 22,400

INTERSTATE 10

Unknown

Over: CATTARAUGUS AVE

07-LA-010-R8.30-LA, Los Angeles, CA

Built 1964 ADT: 5,240

INTERSTATE 10

Unknown

Over: VERMONT AVENUE

07-LA-010-R13.80-LA, Los Angeles, CA

Built 1962 ADT: 44,004

INTERSTATE 10

Unknown

Over: NORMANDIE AVE

07-LA-010-R13.30-LA, Los Angeles, CA

Built 1962 ADT: 33,600

WESTERN AVE

Unknown

Over: INTERSTATE 10 AND RAMPS

07-LA-010-R12.82-LA, Los Angeles, CA

Built 1962 ADT: 287,000

GRAMERCY PLACE

Unknown

Over: INTERSTATE 10 AND RAMPS

07-LA-010-R12.57-LA, Los Angeles, CA

Built 1962 ADT: 2,000

ARLINGTON AVE

Unknown

Over: INTERSTATE 10

07-LA-010-R12.32-LA, Los Angeles, CA

Built 1962 ADT: 287,000

SIXTH AVE

Unknown

Over: INTERSTATE 10

07-LA-010-R11.97-LA, Los Angeles, CA

Built 1962 ADT: 287,000

TENTH AVE

Unknown

Over: INTERSTATE 10

07-LA-010-R11.70-LA, Los Angeles, CA

Built 1962 ADT: 287,000

CRENSHAW BLVD

Unknown

Over: INTERSTATE 10

07-LA-010-R11.39-LA, Los Angeles, CA

Built 1962 ADT: 273,000

WEST BLVD

Unknown

Over: INTERSTATE 10

07-LA-010-R11.03-LA, Los Angeles, CA

Built 1962 ADT: 273,000

CHERRY AVE OFF RMP

Unknown

Over: ROUTE 405 NB ON-RAMP

07-LA-405-5.01-LBCH, Los Angeles, CA

Built 1964 ADT: 940

ORANGE AVE OFF RMP

Unknown

Over: RTE 405 ON-RAMP

07-LA-405-4.99-LBCH, Los Angeles, CA

Built 1964 ADT: 22,102

N405-SB N LAKEWOOD

Unknown

Over: WILLOW STREET

07-LA-405-2.30-LBCH, Los Angeles, CA

Built 1964 ADT: 99

INTERSTATE 10

Unknown

Over: BALLONA CRK, FAIRFAX OFF

07-LA-010-R9.12-LA, Los Angeles, CA

Built 1964 ADT: 10,700

INTERSTATE 10

Unknown

Over: HAUSER BLVD

07-LA-010-R9.74-LA, Los Angeles, CA

Built 1964 ADT: 15,300

INTERSTATE 10

Unknown

Over: REDONDO BLVD

07-LA-010-R10.12-LA, Los Angeles, CA

Built 1964 ADT: 20,000

INTERSTATE 10

Unknown

Over: LA BREA AVE

07-LA-010-R10.43-LA, Los Angeles, CA

Built 1964 ADT: 48,300

PEDESTRIAN WALKWAY

Unknown

Over: INTERSTATE 10

07-LA-010-R11.17-LA, Los Angeles, CA

Built 1964 ADT: 273,000

PEDESTRIAN WALKWAY

Unknown

Over: INTERSTATE 10

07-LA-010-R11.84-LA, Los Angeles, CA

Built 1964 ADT: 287,000

PEDESTRIAN WALKWAY

Unknown

Over: INTERSTATE 10

07-LA-010-R12.10-LA, Los Angeles, CA

Built 1964 ADT: 287,000

FOURTH ST

Unknown

Over: ROUTE 1

07-LA-001-R34.89-SMCA, Los Angeles, CA

Built 1965 ADT: 58,000

LINCOLN BLVD

Unknown

Over: INTERSTATE 10

07-LA-001-R34.55-SMCA, Los Angeles, CA

Built 1965 ADT: 215,000

11TH STREET

Unknown

Over: INTERSTATE 10

07-LA-010-R2.38-SMCA, Los Angeles, CA

Built 1965 ADT: 141,500

14TH STREET

Unknown

Over: INTERSTATE 10

07-LA-010-R2.61-SMCA, Los Angeles, CA

Built 1965 ADT: 141,000

17TH STREET

Unknown

Over: INTERSTATE 10

07-LA-010-R2.84-SMCA, Los Angeles, CA

Built 1965 ADT: 141,000

20TH STREET

Unknown

Over: INTERSTATE 10

07-LA-010-R3.07-SMCA, Los Angeles, CA

Built 1965 ADT: 141,500

CLOVERFIELD BLVD

Unknown

Over: INTERSTATE 10

07-LA-010-R3.34-SMCA, Los Angeles, CA

Built 1963 ADT: 185,000

INTERSTATE 10

Unknown

Over: STEWART STREET

07-LA-010-R3.71-SMCA, Los Angeles, CA

Built 1965 ADT: 6,700

INTERSTATE 10

Unknown

Over: PICO BLVD, CENTINELA AVE

07-LA-010-R4.24-SMCA, Los Angeles, CA

Built 1965 ADT: 13,180

INTERSTATE 10

Unknown

Over: BUNDY DRIVE

07-LA-010-R4.51-LA, Los Angeles, CA

Built 1963 ADT: 46,740

INTERSTATE 10

Unknown

Over: BARRINGTON AVE

07-LA-010-R4.82-LA, Los Angeles, CA

Built 1963 ADT: 20,290

NATIONAL BLVD

Unknown

Over: ROUTE 10

07-LA-010-R6.31-LA, Los Angeles, CA

Built 1963 ADT: 258,000

OVERLAND AVE

Unknown

Over: INTERSTATE 10, RAMPS

07-LA-010-R6.40-LA, Los Angeles, CA

Built 1964 ADT: 258,000

INTERSTATE 10

Unknown

Over: SEPULVEDA BLVD

07-LA-010-R5.56-LA, Los Angeles, CA

Built 1963 ADT: 32,000

E10-N405 CONN

Unknown

Over: 10, 405, STS, METRO RR

07-LA-010-R5.28-LA, Los Angeles, CA

Built 1963 ADT: 24,160

INTERSTATE 10

Unknown

Over: INTERSTATE 405

07-LA-010-R5.43-LA, Los Angeles, CA

Built 1963 ADT: 268,000

S405-E10 CONNECTOR

Unknown

Over: W10-S405, I 10,SEPULVEDA

07-LA-405-29.62-LA, Los Angeles, CA

Built 1963 ADT: 237,000

N405-W10 CONNECTOR

Unknown

Over: I 405 & I 10,SAWTELLE

07-LA-405-29.43-LA, Los Angeles, CA

Built 1963 ADT: 237,000

INTERSTATE 605

Unknown

Over: S605-E10

07-LA-605-R20.09-BWP, Los Angeles, CA

Built 1971 ADT: 23,700

N605-W10

Unknown

Over: S605-E10

07-LA-605-R20.09-BWP, Los Angeles, CA

Built 1964 ADT: 23,000

INTERSTATE 605

Unknown

Over: INTERSTATE 10

07-LA-605-R20.17-BWP, Los Angeles, CA

Built 1971 ADT: 254,780

INTERSTATE 605

Unknown

Over: W10-S605 CONN

07-LA-605-20.27-BWP, Los Angeles, CA

Built 1971 ADT: 30,000

Showing 2,001-2,050 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.