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 57

Good

Over: POMONA BOULEVARD DRAIN

07-LA-057-R6.75-POM, Los Angeles, CA

Built 1972 Load: 32.4 t ADT: 158,000

STATE ROUTE 14

Good

Over: AVENUE "P-8" DRAIN

07-LA-014-R60.60-PMDL, Los Angeles, CA

Built 1970 Load: 32.4 t ADT: 89,000

STATE ROUTE 14

Good

Over: AVENUE P DRAIN

07-LA-014-R61.00-PMDL, Los Angeles, CA

Built 1970 Load: 32.4 t ADT: 89,000

STATE ROUTE 14

Good

Over: 10TH STREET DRAIN

07-LA-014-R61.90-PMDL, Los Angeles, CA

Built 1970 Load: 32.4 t ADT: 89,000

STATE ROUTE 14

Good

Over: AVENUE "K-8" DRAIN

07-LA-014-R66.10-LAN, Los Angeles, CA

Built 1970 Load: 32.4 t ADT: 75,000

STATE ROUTE 14

Good

Over: AVENUE "K" DRAIN

07-LA-014-R66.90-LAN, Los Angeles, CA

Built 1970 Load: 32.4 t ADT: 75,000

STATE ROUTE 14

Good

Over: WHITNEY CREEK

07-LA-014-R27.10, Los Angeles, CA

Built 1971 Load: 32.4 t ADT: 148,000

SR 101 ON RAMP

Good

Over: LINDERO CYN RD CULVERT

07-LA-101-37.41-WLKV, Los Angeles, CA

Built 1973 Load: 32.4 t ADT: 7,500

BUSWAY, WB I-10

Good

Over: COUNTY HOSPITAL DRAIN

07-LA-010S-17.64-LA, Los Angeles, CA

Built 1974 Load: 32.4 t ADT: 30,500

STATE ROUTE 118

Good

Over: ALISO CREEK CULVERT

07-LA-118-R6.38-LA, Los Angeles, CA

Built 1980 Load: 32.4 t ADT: 222,000

IMPERIAL HWY-W105

Good

Over: ROUTE 105 & LRT

07-LA-105-R3.50-HAW, Los Angeles, CA

Built 1993 Load: 32.4 t ADT: 6,630

N405-E105 CONNECTR

Good

Over: FELTON ST & SUNDALE AVE

07-LA-405-R21.02-LA, Los Angeles, CA

Built 1994 Load: 32.4 t ADT: 12,405

605-W105 CONNECTOR

Good

Over: SAN GABRIEL RV/SERVICE R

07-LA-605-R7.66-NRW, Los Angeles, CA

Built 1993 Load: 32.4 t ADT: 25,450

E105-S605 CONN

Good

Over: METRO NORWALK PARKING

07-LA-105-R17.66-NRW, Los Angeles, CA

Built 1993 Load: 32.4 t ADT: 10,000

PARK & RIDE ACCESS

Good

Over: DOMINGUEZ CHANNEL

07-LA-091-6.03-LA, Los Angeles, CA

Built 1994 Load: 32.4 t ADT: 4,600

INTERSTATE 405 SB

Good

Over: SB 405-STUDEBAKER OFFRMP

07-LA-405-0.46-LBCH, Los Angeles, CA

Built 1993 Load: 32.4 t ADT: 127,500

PICO AV OFF-RMP OH

Good

Over: PICO AVE & UP RR

07-LA-710-6.00-LBCH, Los Angeles, CA

Built 1994 Load: 32.4 t ADT: 5,500

INTERSTATE 5 SB

Good

Over: THE OLD ROAD

07-LA-005-R47.83, Los Angeles, CA

Built 1994 Load: 32.4 t ADT: 96,663

INTERSTATE 5 NB

Good

Over: THE OLD ROAD

07-LA-005-R47.83, Los Angeles, CA

Built 1994 Load: 32.4 t ADT: 96,663

SR 118 WB

Good

Over: SAN FERNANDO MISSION BL

07-LA-118-R8.63-LA, Los Angeles, CA

Built 1994 Load: 32.4 t ADT: 254,000

SR 118 EB

Good

Over: SAN FERNANDO MISSION BL

07-LA-118-R8.63-LA, Los Angeles, CA

Built 1994 Load: 32.4 t ADT: 254,000

SR 118 WB

Good

Over: BULL CREEK CANYON CHAN

07-LA-118-R8.84-LA, Los Angeles, CA

Built 1994 Load: 32.4 t ADT: 254,000

SR 118 EB

Good

Over: BULL CREEK CANYON CHAN

07-LA-118-R8.84-LA, Los Angeles, CA

Built 1994 Load: 32.4 t ADT: 254,000

SEPULVEDA NB OFF

Good

Over: AIRPORT ACCESS ROAD

07-LA-105-R0.53-LA, Los Angeles, CA

Built 1990 Load: 32.4 t ADT: 28,118

W105-NASH OFF RMP

Good

Over: AIRPORT ACCESS ROAD

07-LA-105-R0.98-LA, Los Angeles, CA

Built 1989 Load: 32.4 t ADT: 16,609

E105-N&S405 CONN

Good

Over: LRT

07-LA-105-R1.63-LA, Los Angeles, CA

Built 1990 Load: 32.4 t ADT: 24,300

W105-IMPERIAL OFFR

Good

Over: ROUTE 105 & LRT

07-LA-105-R1.79-LA, Los Angeles, CA

Built 1990 Load: 32.4 t ADT: 16,949

INTERSTATE 5 SB

Good

Over: BUTTE CANYON

07-LA-005-R50.80, Los Angeles, CA

Built 1994 Load: 32.4 t ADT: 96,576

INTERSTATE 5 NB

Good

Over: BUTTE CANYON

07-LA-005-R50.80, Los Angeles, CA

Built 1994 Load: 32.4 t ADT: 96,576

STATE ROUTE 126

Good

Over: SAN MARTINEZ GRANDE CRK

07-LA-126-R1.44, Los Angeles, CA

Built 1998 Load: 32.4 t ADT: 46,000

STATE ROUTE 47

Good

Over: TRAIN TRACKS @ NAVY MOLE

07-LA-047-2.80-LA, Los Angeles, CA

Built 1995 Load: 32.4 t ADT: 53,000

STATE ROUTE 1

Good

Over: MALIBU LAGOON

07-LA-001-46.88-MAL, Los Angeles, CA

Built 1995 Load: 32.4 t ADT: 41,000

RTE 39

Good

Over: W FORK SAN GABRIEL RIVER

07-LA-039-24.10, Los Angeles, CA

Built 1996 Load: 32.4 t ADT: 1,550

STATE ROUTE 110 SB

Good

Over: HILLSIDE

07-LA-110-25.05L-LA, Los Angeles, CA

Built 2001 Load: 32.4 t ADT: 100

STATE ROUTE 110 SB

Good

Over: HILLSIDE

07-LA-110-24.75L-LA, Los Angeles, CA

Built 2001 Load: 32.4 t ADT: 91,500

STATE ROUTE 210

Good

Over: SAN ANTONIO WASH

07-LA-210-R52.14-CLA, Los Angeles, CA

Built 2001 Load: 32.4 t ADT: 155,000

ROUTE 90

Good

Over: CULVER BLVD

07-LA-090-R1.60, Los Angeles, CA

Built 2007 Load: 32.4 t ADT: 78,000

INTERSTATE 5

Good

Over: EMPIRE AVE

07-LA-005-30.47-BRB, Los Angeles, CA

Built 2022 Load: 32.4 t ADT: 239,000

INTERSTATE 5

Good

Over: SANTA CLARA RIVER

07-LA-005-R53.70-SCTA, Los Angeles, CA

Built 2005 Load: 32.4 t ADT: 134,090

HARBOR SCENIC DR

Good

Over: VACANT LAND

07-LA-710-5.95-LBCH, Los Angeles, CA

Built 1970 Load: 32.4 t ADT: 58,000

"O" STREET RAMP

Good

Over: STATE ROUTE 1

07-LA-001-9.15-LA, Los Angeles, CA

Built 2004 Load: 32.4 t ADT: 5,000

N 405-CULVER BLVD

Good

Over: SAWTELLE BLVD

07-LA-405-27.20-CLC, Los Angeles, CA

Built 2010 Load: 32.4 t ADT: 8,900

SR 138 (PEARBLSSM)

Good

Over: BIG ROCK WASH

07-LA-138-61.70, Los Angeles, CA

Built 2007 Load: 32.4 t ADT: 12,800

SB 5 OFFRAMP

Good

Over: GRADED EARTH

07-LA-005-2.45-NRW, Los Angeles, CA

Built 2016 Load: 32.4 t ADT: 9,870

NB 5 ONRAMP

Good

Over: GRADED EARTH

07-LA-005-2.48-NRW, Los Angeles, CA

Built 2016 Load: 32.4 t ADT: 3,670

SB 5 ONRAMP

Good

Over: GRADED EARTH

07-LA-005-2.33-NRW, Los Angeles, CA

Built 2016 Load: 32.4 t ADT: 5,400

NB 5 OFFRAMP

Good

Over: GRADED EARTH

07-LA-005-2.37-NRW, Los Angeles, CA

Built 2016 Load: 32.4 t ADT: 6,390

NEW DOCK OFF RAMP

Good

Over: RAIL ROAD

07-LA-047-3.47-LBCH, Los Angeles, CA

Built 2019 Load: 32.4 t ADT: 5,500

DOCK ST. ON-RAMP

Good

Over: GRADED GROUND.

07-LA-047-3.74-LBCH, Los Angeles, CA

Built 2015 Load: 32.4 t ADT: 11,000

NB RT 103 OFF-RAMP

Good

Over: OPEN GROUND

07-LA-103-0.01-LBCH, Los Angeles, CA

Built 2015 Load: 32.4 t ADT: 14,400

Showing 20,901-20,950 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.