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

INTERSTATE 110

Good

Over: GALAVAN STORM DRAIN

07-LA-110-5.90-LA, Los Angeles, CA

Built 1962 Load: 32.4 t ADT: 199,500

INTERSTATE 5 SB

Good

Over: CALGROVE BLVD

07-LA-005-R49.03-SCTA, Los Angeles, CA

Built 1967 Load: 32.4 t ADT: 97,478

INTERSTATE 5 NB

Good

Over: CALGROVE BLVD

07-LA-005-R49.03-SCTA, Los Angeles, CA

Built 1967 Load: 32.4 t ADT: 97,478

STATE ROUTE 14

Good

Over: WARD WASH

07-LA-014-46.60, Los Angeles, CA

Built 1963 Load: 32.4 t ADT: 97,000

INTERSTATE 210

Good

Over: MAGNOLIA AVENUE

07-LA-210-R33.67-MNRO, Los Angeles, CA

Built 1966 Load: 32.4 t ADT: 258,000

INTERSTATE 210

Good

Over: DUNCANNON AVENUE

07-LA-210-R35.52-DRT, Los Angeles, CA

Built 1966 Load: 32.4 t ADT: 258,000

INTERSTATE 10

Good

Over: SAN JOSE WASH

07-LA-010-44.84-POM, Los Angeles, CA

Built 1963 Load: 32.4 t ADT: 247,000

INTERSTATE 605

Good

Over: SAN JOSE CREEK CHANNEL

07-LA-605-R15.70-PRV, Los Angeles, CA

Built 1964 Load: 32.4 t ADT: 251,000

INTERSTATE 605

Good

Over: ROSE HILLS CHANNEL

07-LA-605-R15.37-IDY, Los Angeles, CA

Built 1964 Load: 32.4 t ADT: 251,000

INTERSTATE 10

Good

Over: CHARITON ST STORM DRAIN

07-LA-010-R8.78-LA, Los Angeles, CA

Built 1964 Load: 32.4 t ADT: 268,000

INTERSTATE 5

Good

Over: NEWHALL RANCH DRAIN

07-LA-005-R55.28, Los Angeles, CA

Built 1964 Load: 32.4 t ADT: 134,090

INTERSTATE 210

Good

Over: MONTEREY AVENUE

07-LA-210-R33.10-MNRO, Los Angeles, CA

Built 1967 Load: 32.4 t ADT: 258,000

STATE ROUTE 14

Good

Over: ACTON CANYON WASH

07-LA-014-R49.00, Los Angeles, CA

Built 1965 Load: 32.4 t ADT: 98,000

STATE ROUTE 14

Good

Over: RED ROVER WASH

07-LA-014-R47.20, Los Angeles, CA

Built 1965 Load: 32.4 t ADT: 98,000

E134-W2 CONNECTOR

Good

Over: BROADWAY

07-LA-134-R8.95-LA, Los Angeles, CA

Built 1976 Load: 32.4 t ADT: 25,852

STATE ROUTE 14

Good

Over: MOUNTAIN SPRINGS WASH

07-LA-014-R53.61, Los Angeles, CA

Built 1965 Load: 32.4 t ADT: 105,000

STATE ROUTE 210

Good

Over: SAN DIMAS CHANNEL

07-LA-210-R44.43-GDR, Los Angeles, CA

Built 1970 Load: 32.4 t ADT: 191,000

INTERSTATE 10

Good

Over: KELLOGG DRIVE

07-LA-010-42.10-POM, Los Angeles, CA

Built 1972 Load: 32.4 t ADT: 209,000

INTERSTATE 605 NB

Good

Over: SANTA FE FLOOD BASIN

07-LA-605-25.09-IRW, Los Angeles, CA

Built 1970 Load: 32.4 t ADT: 67,000

INTERSTATE 210

Good

Over: LITTLE DALTON WASH

07-LA-210-R39.80-AZU, Los Angeles, CA

Built 1969 Load: 32.4 t ADT: 250,000

N14-NEWHALL WB OFF

Good

Over: NEWHALL AVENUE

07-LA-014-R27.04, Los Angeles, CA

Built 1971 Load: 32.4 t ADT: 1,500

STATE ROUTE 14

Good

Over: AVENUE S DRAIN

07-LA-014-R58.10, Los Angeles, CA

Built 1966 Load: 32.4 t ADT: 80,000

STATE ROUTE 14

Good

Over: AVENUE Q DRAIN

07-LA-014-R60.50-PMDL, Los Angeles, CA

Built 1966 Load: 32.4 t ADT: 89,000

SR 138 (PALMDALE)

Good

Over: RAILROAD DITCH

07-LA-138-44.36-PMDL, Los Angeles, CA

Built 1960 Load: 32.4 t ADT: 23,500

ROUTE 118

Good

Over: BORDEN AVE

07-LA-118-R13.44-LA, Los Angeles, CA

Built 1975 Load: 32.4 t ADT: 115,000

STATE ROUTE 91

Good

Over: OBISPO AVE

07-LA-091-R13.86-LBCH, Los Angeles, CA

Built 1970 Load: 32.4 t ADT: 270,000

STATE ROUTE 118

Good

Over: GLENOAKS BLVD

07-LA-118-R13.18-LA, Los Angeles, CA

Built 1975 Load: 32.4 t ADT: 115,000

STATE ROUTE 60

Good

Over: PECK ROAD STORM DRAIN

07-LA-060-10.96-SEMT, Los Angeles, CA

Built 1966 Load: 32.4 t ADT: 232,000

INTERSTATE 5

Good

Over: WILEY CANYON CHANNEL

07-LA-005-R49.20, Los Angeles, CA

Built 1967 Load: 32.4 t ADT: 206,377

STATE ROUTE 57

Good

Over: BREA CANYON RD

07-LA-057-R0.91-DMBR, Los Angeles, CA

Built 1972 Load: 32.4 t ADT: 203,000

W138-S5 & N5-E138

Good

Over: GORMAN CREEK CHANNEL

07-LA-138-0.18R, Los Angeles, CA

Built 1967 Load: 32.4 t ADT: 4,450

STATE ROUTE 138

Good

Over: GORMAN CREEK CHANNEL

07-LA-138-0.06L, Los Angeles, CA

Built 1967 Load: 32.4 t ADT: 4,450

INTERSTATE 5

Good

Over: GORMAN CREEK CHANNEL

07-LA-005-R84.90, Los Angeles, CA

Built 1967 Load: 32.4 t ADT: 75,415

STATE ROUTE 118

Good

Over: PACOIMA WASH

07-LA-118-R11.65L-LA, Los Angeles, CA

Built 1969 Load: 32.4 t ADT: 133,500

STATE ROUTE 60

Good

Over: HACIENDA CREEK

07-LA-060-15.69, Los Angeles, CA

Built 1967 Load: 32.4 t ADT: 241,000

STATE ROUTE 60

Good

Over: ROWLAND CHANNEL

07-LA-060-17.64, Los Angeles, CA

Built 1967 Load: 32.4 t ADT: 240,000

STATE ROUTE 60

Good

Over: FULLERTON CHANNEL

07-LA-060-19.33-IDY, Los Angeles, CA

Built 1966 Load: 32.4 t ADT: 204,000

SB FULLERTON-EB 60

Good

Over: FULLERTON CHANNEL

07-LA-060-19.38-IDY, Los Angeles, CA

Built 1966 Load: 32.4 t ADT: 6,300

STATE ROUTE 118

Good

Over: EAST CANYON CHANNEL

07-LA-118-R11.40R-LA, Los Angeles, CA

Built 1969 Load: 32.4 t ADT: 122,000

ROUTE 118

Good

Over: HAYVENHURST AVE

07-LA-118-R8.34-LA, Los Angeles, CA

Built 1976 Load: 32.4 t ADT: 254,000

ROUTE 118

Good

Over: GAYNOR AVENUE

07-LA-118-R9.33-LA, Los Angeles, CA

Built 1977 Load: 32.4 t ADT: 254,000

ROUTE 118

Good

Over: HASKELL AVENUE

07-LA-118-R9.57-LA, Los Angeles, CA

Built 1977 Load: 32.4 t ADT: 254,000

E118-S405 CONNECTO

Good

Over: CHATSWORTH STREET

07-LA-118-R9.70-LA, Los Angeles, CA

Built 1977 Load: 32.4 t ADT: 24,600

ROUTE 118

Good

Over: CHATSWORTH DR

07-LA-118-R10.51-LA, Los Angeles, CA

Built 1976 Load: 32.4 t ADT: 122,000

ROUTE 118

Good

Over: FOX STREET

07-LA-118-R10.83-LA, Los Angeles, CA

Built 1976 Load: 32.4 t ADT: 122,000

E210 ONRAMP

Good

Over: WALTONIA DRIVE

07-LA-210-R18.57, Los Angeles, CA

Built 1972 Load: 32.4 t ADT: 5,300

INTERSTATE 210

Good

Over: WENTWORTH STREET

07-LA-210-R10.71-LA, Los Angeles, CA

Built 1980 Load: 32.4 t ADT: 113,000

SB FULLERTON-EB 60

Good

Over: FULLERTON CHANNEL

07-LA-060-19.45-IDY, Los Angeles, CA

Built 1966 Load: 32.4 t ADT: 36,600

INTERSTATE 210

Good

Over: SUNLAND BLVD

07-LA-210-R11.08-LA, Los Angeles, CA

Built 1980 Load: 32.4 t ADT: 113,000

STATE ROUTE 14

Good

Over: AVE G DRAIN 1

07-LA-014-R71.20, Los Angeles, CA

Built 1968 Load: 32.4 t ADT: 37,500

Showing 20,801-20,850 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.