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

MOUNTAIN SPRNGS RD

Unknown

Over: STATE ROUTE 14

07-LA-014-R53.80, Los Angeles, CA

Built 1965 ADT: 105,000

117TH STREET OC

Unknown

Over: ROUTE 110

07-LA-110-13.72-LA, Los Angeles, CA

Built 1985 ADT: 260,000

PEDESTRIAN WALKWAY

Unknown

Over: U.S. HIGHWAY 101

07-LA-101-33.99-AGRH, Los Angeles, CA

Built 1963 ADT: 185,000

RAMP/CONNECTOR 14

Unknown

Over: SIERRA HWY

07-LA-014-R54.50, Los Angeles, CA

Built 1965 ADT: 105,000

STATE ROUTE 14

Unknown

Over: VINCENT RAMP UC

07-LA-014-R54.55, Los Angeles, CA

Built 1965 ADT: 11,700

INTERSTATE 710

Unknown

Over: ATLANTIC BLVD

07-LA-710-21.92-BELL, Los Angeles, CA

Built 1957 ADT: 18,900

FLOWER ST & LRT

Unknown

Over: INTERSTATE 110

07-LA-110-20.76-LA, Los Angeles, CA

Built 1956 ADT: 244,600

W10 BUSWAY

Unknown

Over: BALDWIN AVE

07-LA-010S-27.96-EMTE, Los Angeles, CA

Built 1956 ADT: 16,300

INTERSTATE 10 WB

Unknown

Over: BALDWIN AVE

07-LA-010-27.96-EMTE, Los Angeles, CA

Built 1958 ADT: 16,000

INTERSTATE 10 EB

Unknown

Over: BALDWIN AVE

07-LA-010-27.96-EMTE, Los Angeles, CA

Built 1956 ADT: 16,300

I 10 WB

Unknown

Over: METROLINK, SCRTD BUSWAY

07-LA-010S-28.01-EMTE, Los Angeles, CA

Built 1956 ADT: 108,950

INTERSTATE 10

Unknown

Over: MEEKER RD

07-LA-010-29.34-EMTE, Los Angeles, CA

Built 1956 ADT: 2,700

INTERSTATE 10

Unknown

Over: STEWART ST-E10 ON-RAMP

07-LA-010-29.90-EMTE, Los Angeles, CA

Built 1956 ADT: 234,700

INTERSTATE 10

Unknown

Over: DURFEE RD

07-LA-010-30.51-EMTE, Los Angeles, CA

Built 1956 ADT: 12,000

INTERSTATE 10

Unknown

Over: W10-GARVEY AVE OFF-RAMP

07-LA-010-30.58-EMTE, Los Angeles, CA

Built 1956 ADT: 9,800

INTERSTATE 10

Unknown

Over: VINCENT AVE

07-LA-010-35.40-WCOV, Los Angeles, CA

Built 1956 ADT: 14,000

I 710

Unknown

Over: OLYMPIC BLVD

07-LA-710-23.44-LA, Los Angeles, CA

Built 1955 ADT: 18,500

S405-N110/110 SEP

Unknown

Over: INTERSTATE 110

07-LA-405-12.94-LA, Los Angeles, CA

Built 1961 ADT: 224,000

STATE ROUTE 1

Unknown

Over: DE FOREST AVENUE

07-LA-001-7.08-LBCH, Los Angeles, CA

Built 1957 ADT: 640

U.S. HIGHWAY 101

Unknown

Over: BALBOA BLVD

07-LA-101-19.22-LA, Los Angeles, CA

Built 1958 ADT: 37,860

LOUISE AVE

Unknown

Over: ROUTE 101

07-LA-101-19.74-LA, Los Angeles, CA

Built 1958 ADT: 296,000

U.S. HIGHWAY 101

Unknown

Over: WHITE OAK AVE

07-LA-101-20.23-LA, Los Angeles, CA

Built 1959 ADT: 35,710

U.S. HIGHWAY 101

Unknown

Over: LINDLEY AVE

07-LA-101-20.73-LA, Los Angeles, CA

Built 1959 ADT: 23,500

U.S. HIGHWAY 101

Unknown

Over: BURBANK BLVD

07-LA-101-21.02-LA, Los Angeles, CA

Built 1959 ADT: 28,965

U.S. HIGHWAY 101

Unknown

Over: TAMPA AVE

07-LA-101-22.25-LA, Los Angeles, CA

Built 1959 ADT: 29,800

U.S. HIGHWAY 101

Unknown

Over: WINNETKA AVE

07-LA-101-23.26-LA, Los Angeles, CA

Built 1959 ADT: 19,537

U.S. HIGHWAY 101

Unknown

Over: DE SOTO AVE

07-LA-101-24.31-LA, Los Angeles, CA

Built 1957 ADT: 30,709

U.S. HIGHWAY 101

Unknown

Over: CANOGA AVE

07-LA-101-24.85-LA, Los Angeles, CA

Built 1957 ADT: 25,000

U.S. HIGHWAY 101

Unknown

Over: ROUTE 27

07-LA-101-25.34-LA, Los Angeles, CA

Built 1956 ADT: 42,000

U.S. HIGHWAY 101

Unknown

Over: VENTURA BLVD

07-LA-101-25.76-LA, Los Angeles, CA

Built 1956 ADT: 31,559

GLENDALE BLVD

Unknown

Over: I-5

07-LA-005-23.66-LA, Los Angeles, CA

Built 1961 ADT: 264,292

HYPERION AVE

Unknown

Over: I-5

07-LA-005-23.72-LA, Los Angeles, CA

Built 1928 ADT: 264,292

LOS FELIZ BLVD OC

Unknown

Over: I-5

07-LA-005-24.30-LA, Los Angeles, CA

Built 1956 ADT: 40,581

METRO,UP RR,AMTRAK

Unknown

Over: I-5 SUPPLEMENTAL ROUTE

07-LA-005S-25.31-GNDL, Los Angeles, CA

Built 1957 ADT: 19,000

I-5 SUP ROUTE

Unknown

Over: INTERSTATE 5

07-LA-005S-25.78-LA, Los Angeles, CA

Built 1957 ADT: 263,000

STATE ROUTE 134 EB

Unknown

Over: INTERSTATE 5

07-LA-134-R5.47R-LA, Los Angeles, CA

Built 1967 ADT: 263,000

INTERSTATE 5

Unknown

Over: LOS ANGELES RI,SR 134 WB

07-LA-005-27.07-GNDL, Los Angeles, CA

Built 1957 ADT: 189,567

S5-WESTERN & WESTE

Unknown

Over: WESTERN AVE

07-LA-005-27.84-GNDL, Los Angeles, CA

Built 1957 ADT: 16,106

S605-S5 CONNECTOR

Unknown

Over: ROUTE 5

07-LA-605-R9.65-SFSP, Los Angeles, CA

Built 1965 ADT: 214,000

OLIVE AVE

Unknown

Over: ROUTE 5 & OLIVE AVE

07-LA-005-29.16-BRB, Los Angeles, CA

Built 1959 ADT: 239,020

MAGNOLIA BOULEVARD

Unknown

Over: ROUTE 5 & FRONTAGE RD

07-LA-005-29.39-BRB, Los Angeles, CA

Built 1959 ADT: 239,020

52ND PLACE

Unknown

Over: INTERSTATE 110

07-LA-110-18.39-LA, Los Angeles, CA

Built 1993 ADT: 300,000

LOS FELIZ BL-N5 ON

Unknown

Over: I-5

07-LA-005-24.21-LA, Los Angeles, CA

Built 1956 ADT: 264,292

US HIGHWAY 101 SB

Unknown

Over: SEPULVEDA BLVD

07-LA-101-16.94L-LA, Los Angeles, CA

Built 1959 ADT: 25,000

US HIGHWAY 101 NB

Unknown

Over: SEPULVEDA BLVD

07-LA-101-16.94R-LA, Los Angeles, CA

Built 1959 ADT: 25,000

U.S. HIGHWAY 101

Unknown

Over: HASKELL AVE

07-LA-101-17.50L-LA, Los Angeles, CA

Built 1958 ADT: 7,500

U.S. HIGHWAY 101

Unknown

Over: HASKELL AVE

07-LA-101-17.51R-LA, Los Angeles, CA

Built 1958 ADT: 7,500

U.S. HIGHWAY 101

Unknown

Over: HAVENHURST AVE

07-LA-101-18.61-LA, Los Angeles, CA

Built 1958 ADT: 82,000

PEDESTRIAN WALKWAY

Unknown

Over: STATE ROUTE 110 & RAMPS

07-LA-110-24.37-LA, Los Angeles, CA

Built 1962 ADT: 182,000

SAN FERNANDO RD

Unknown

Over: I-5 SUPPLEMENTAL ROUTE

07-LA-005S-25.29-GNDL, Los Angeles, CA

Built 1957 ADT: 19,000

Showing 1,701-1,750 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.