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

IMPERIAL HWY-N405

Unknown

Over: W105-N405 CONNECTOR RAMP

07-LA-405-R21.32-LA, Los Angeles, CA

Built 1989 ADT: 20,000

ROUTE 105 & LRT

Unknown

Over: INGLEWOOD AVE

07-LA-105-R2.53-HAW, Los Angeles, CA

Built 1993 ADT: 16,320

W105-N&S 405 CONN

Unknown

Over: INGLEWOOD AVE

07-LA-105-R2.53-HAW, Los Angeles, CA

Built 1993 ADT: 16,320

S405-W105 CONNECTR

Unknown

Over: IMPERIAL,LA CIENEGA,RAMP

07-LA-405-R21.42-LA, Los Angeles, CA

Built 1994 ADT: 2,500

N405-CENTURY BL OF

Unknown

Over: E105-N405 & W105-N405 RP

07-LA-405-R21.28-LA, Los Angeles, CA

Built 1989 ADT: 4,000

N405-W105 CONN OC

Unknown

Over: I 405,I 105, CONN

07-LA-405-R21.01-LA, Los Angeles, CA

Built 1991 ADT: 176,000

N&S405-W105 CONN

Unknown

Over: IMPERIAL ON & OFF-RAMPS

07-LA-405-R21.18-LA, Los Angeles, CA

Built 1989 ADT: 15,000

S405-E105 CONNECTR

Unknown

Over: I 405 & I 105, CONNS

07-LA-405-R21.51-HAW, Los Angeles, CA

Built 1991 ADT: 2,000

ROUTE 105 & LRT

Unknown

Over: ATLANTIC AVE

07-LA-105-R12.88-LYN, Los Angeles, CA

Built 1990 ADT: 23,000

N710-E105 CONNECTO

Unknown

Over: LOS ANGELES RIVER

07-LA-710-R15.44-LYN, Los Angeles, CA

Built 1992 ADT: 3,500

STATE ROUTE 91

Unknown

Over: AVALON BLVD

07-LA-091-R7.44-CRSN, Los Angeles, CA

Built 1974 ADT: 26,000

CENTRAL AVE

Unknown

Over: STATE ROUTE 91

07-LA-091-R8.43-CRSN, Los Angeles, CA

Built 1974 ADT: 202,600

WHITE OAK AVENUE O

Unknown

Over: ROUTE 118

07-LA-118-R6.80-LA, Los Angeles, CA

Built 1980 ADT: 222,000

ENCINO AVE

Unknown

Over: STATE ROUTE 118

07-LA-118-R7.05-LA, Los Angeles, CA

Built 1980 ADT: 222,000

LOUISE AVENUE

Unknown

Over: STATE ROUTE 118

07-LA-118-R7.30-LA, Los Angeles, CA

Built 1980 ADT: 222,000

ROUTE 105 & LRT

Unknown

Over: SAN PEDRO STREET

07-LA-105-R8.04-LA, Los Angeles, CA

Built 1985 ADT: 9,300

ROUTE 105 & LRT

Unknown

Over: AVALON BLVD

07-LA-105-R8.29-LA, Los Angeles, CA

Built 1988 ADT: 20,200

ROUTE 105 & LRT

Unknown

Over: CENTRAL AVENUE

07-LA-105-R8.94-LA, Los Angeles, CA

Built 1987 ADT: 21,500

ROUTE 105 & LRT

Unknown

Over: SUCCESS AVENUE

07-LA-105-R9.21-COM, Los Angeles, CA

Built 1987 ADT: 2,300

ROUTE 105 & LRT

Unknown

Over: COMPTON AVENUE

07-LA-105-R9.38-COM, Los Angeles, CA

Built 1988 ADT: 11,500

WB 105 & LRT

Unknown

Over: WILLOWBROOK AVE,LRT,UPRR

07-LA-105-R9.78-COM, Los Angeles, CA

Built 1989 ADT: 3,570

EB 105 & LRT

Unknown

Over: WILMINGTON AVE,LRT,UP RR

07-LA-105-R9.78-COM, Los Angeles, CA

Built 1989 ADT: 3,000

ROUTE 105 & LRT

Unknown

Over: UP RR, ALAMEDA, MONA,

07-LA-105-R10.25-LYN, Los Angeles, CA

Built 1993 ADT: 5,100

ROUTE 105 & LRT

Unknown

Over: LONG BEACH BLVD

07-LA-105-R11.56-LYN, Los Angeles, CA

Built 1988 ADT: 26,000

LONG BEACH-W105 ON

Unknown

Over: LONG BEACH BLVD

07-LA-105-R11.56-LYN, Los Angeles, CA

Built 1988 ADT: 25,000

LONG BEACH-E105 ON

Unknown

Over: LONG BEACH BLVD

07-LA-105-R11.56-LYN, Los Angeles, CA

Built 1988 ADT: 25,000

ROUTE 105 & LRT

Unknown

Over: FIR STREET

07-LA-105-R11.91-LYN, Los Angeles, CA

Built 1987 ADT: 800

LONG BEACH-E105 ON

Unknown

Over: FIR STREET

07-LA-105-R11.91-LYN, Los Angeles, CA

Built 1987 ADT: 900

ROUTE 105 & LRT

Unknown

Over: BULLIS ROAD

07-LA-105-R12.07-LYN, Los Angeles, CA

Built 1987 ADT: 4,450

ROUTE 105 & LRT

Unknown

Over: GERTRUDE DRIVE

07-LA-105-R12.30-LYN, Los Angeles, CA

Built 1987 ADT: 1,050

ROUTE 105 & LRT

Unknown

Over: HARRIS AVE

07-LA-105-R12.58-LYN, Los Angeles, CA

Built 1987 ADT: 2,220

RINALDI ST

Unknown

Over: SR 118

07-LA-118-R3.13-LA, Los Angeles, CA

Built 1980 ADT: 222,000

MASON AVE

Unknown

Over: SR 118

07-LA-118-R3.32-LA, Los Angeles, CA

Built 1980 ADT: 222,000

PORTER RANCH DRIVE

Unknown

Over: SR 118

07-LA-118-R3.86-LA, Los Angeles, CA

Built 1980 ADT: 222,000

CORBIN AVE

Unknown

Over: STATE ROUTE 118

07-LA-118-R4.29-LA, Los Angeles, CA

Built 1980 ADT: 222,000

W10 BUSWAY

Unknown

Over: I 710 & S710-W10 CONN

07-LA-010S-21.35-MONP, Los Angeles, CA

Built 1974 ADT: 5,000

PEDESTRIAN WALKWAY

Unknown

Over: INTERSTATE 5

07-LA-005-7.83-DNY, Los Angeles, CA

Built 1972 ADT: 234,600

E10 BUSWAY

Unknown

Over: WB 10 & SB 710 CONNECTOR

07-LA-010S-21.53-ALH, Los Angeles, CA

Built 1974 ADT: 3,000

WILBUR AVE

Unknown

Over: STATE ROUTE 118

07-LA-118-R5.20-LA, Los Angeles, CA

Built 1980 ADT: 222,000

RESEDA BLVD

Unknown

Over: ROUTE 118

07-LA-118-R5.81-LA, Los Angeles, CA

Built 1980 ADT: 222,000

ETIWANDA AVE POC

Unknown

Over: STATE ROUTE 118

07-LA-118-R6.03-LA, Los Angeles, CA

Built 1980 ADT: 222,000

CHIMINEAS AVE

Unknown

Over: ROUTE 118

07-LA-118-R6.23-LA, Los Angeles, CA

Built 1980 ADT: 222,000

ZELZAH AVE

Unknown

Over: STATE ROUTE 118

07-LA-118-R6.58-LA, Los Angeles, CA

Built 1980 ADT: 222,000

PEDESTRIAN WALKWAY

Unknown

Over: ROUTE 105 & LRT

07-LA-105-R3.84-HAW, Los Angeles, CA

Built 1993 ADT: 107,100

PRAIRIE AVE

Unknown

Over: ROUTE 105 & LRT

07-LA-105-R3.62-HAW, Los Angeles, CA

Built 1993 ADT: 2,550

ROUTE 105 & LRT

Unknown

Over: CRENSHAW BLVD

07-LA-105-R4.73-ING, Los Angeles, CA

Built 1992 ADT: 30,600

VAN NESS AVE

Unknown

Over: ROUTE 105 & LRT

07-LA-105-R5.23-HAW, Los Angeles, CA

Built 1988 ADT: 107,100

WILTON PLACE

Unknown

Over: ROUTE 105 & LRT

07-LA-105-R5.48-HAW, Los Angeles, CA

Built 1988 ADT: 224,400

WESTERN AVE

Unknown

Over: ROUTE 105 & LRT

07-LA-105-R5.74, Los Angeles, CA

Built 1988 ADT: 224,400

NORMANDIE AVE

Unknown

Over: ROUTE 105 & LRT

07-LA-105-R6.25, Los Angeles, CA

Built 1986 ADT: 224,400

Showing 2,551-2,600 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.