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

W54-N5 CONNECTOR

Good

Over: MTDB LRT

11-SD-054-0.11L-NATC, San Diego, CA

Built 1988 Load: 32.4 t ADT: 32,441

N5-E54 CONNECTOR

Good

Over: MTDB LRT

11-SD-005-9.17-NATC, San Diego, CA

Built 1988 Load: 32.4 t ADT: 23,000

STATE ROUTE 54 WB

Good

Over: UPPER PARADISE CREEK

11-SD-054-1.28L-CHV, San Diego, CA

Built 1990 Load: 32.4 t ADT: 45,500

S15-OCEANVIEW OFF

Good

Over: CHOLLAS CREEK

11-SD-015-R0.70-SD, San Diego, CA

Built 1978 Load: 32.4 t ADT: 10,000

INTERSTATE 15 SB

Good

Over: SAN LUIS REY RIVER

11-SD-015-R45.92, San Diego, CA

Built 1980 Load: 32.4 t ADT: 70,000

INTERSTATE 15 NB

Good

Over: SAN LUIS REY RIVER

11-SD-015-R45.92, San Diego, CA

Built 1980 Load: 32.4 t ADT: 70,000

W8-FAIRMOUNT OFF

Good

Over: ALVARADO CANYON RD EB

11-SD-008-6.36-SD, San Diego, CA

Built 1979 Load: 32.4 t ADT: 10,300

INTERSTATE 15 SB

Good

Over: CAMINO DEL REY

11-SD-015-R41.82, San Diego, CA

Built 1980 Load: 32.4 t ADT: 65,000

INTERSTATE 15 NB

Good

Over: CAMINO DEL REY

11-SD-015-R41.82, San Diego, CA

Built 1980 Load: 32.4 t ADT: 56,500

STATE ROUTE 78

Good

Over: GUEJITO CREEK

11-SD-078-R26.79-ESD, San Diego, CA

Built 1979 Load: 32.4 t ADT: 7,900

STATE ROUTE 52 WB

Good

Over: SAN CLEMENTE CREEK

11-SD-052-3.87-SD, San Diego, CA

Built 1987 Load: 32.4 t ADT: 50,500

STATE ROUTE 52 EB

Good

Over: SAN CLEMENTE CREEK

11-SD-052-3.85-SD, San Diego, CA

Built 1987 Load: 32.4 t ADT: 50,500

STATE ROUTE 76

Good

Over: WEST PAUMA CREEK

11-SD-076-29.23, San Diego, CA

Built 1970 Load: 32.4 t ADT: 10,800

STATE ROUTE 94

Good

Over: JAMUL CREEK

11-SD-094-22.80, San Diego, CA

Built 1976 Load: 32.4 t ADT: 12,800

CAMINO DEL REY

Good

Over: MOOSA CANYON CREEK

11-SD-000-R41.81, San Diego, CA

Built 1980 Load: 32.4 t ADT: 1,000

STATE ROUTE 78

Good

Over: ESCONDIDO CREEK

11-SD-078-T19.19-ESD, San Diego, CA

Built 1970 Load: 32.4 t ADT: 22,500

INTERSTATE 15 SB

Good

Over: RAINBOW CREEK

11-SD-015-R52.49, San Diego, CA

Built 1985 Load: 32.4 t ADT: 72,000

INTERSTATE 15 NB

Good

Over: RAINBOW CREEK

11-SD-015-R52.49, San Diego, CA

Built 1985 Load: 32.4 t ADT: 72,000

W8-N67 CONNECTOR

Good

Over: FORESTER CREEK

11-SD-008-15.85-ECJ, San Diego, CA

Built 1966 Load: 32.4 t ADT: 2,500

E54-S805 CONNECTOR

Good

Over: SWEETWATER RIVER

11-SD-054-1.89-CHV, San Diego, CA

Built 1975 Load: 32.4 t ADT: 82,000

STATE ROUTE 78

Good

Over: SANTA MARIA CREEK

11-SD-078-35.33, San Diego, CA

Built 1988 Load: 32.4 t ADT: 10,500

STATE ROUTE 94

Good

Over: SWEETWATER RIVER

11-SD-094-15.27, San Diego, CA

Built 1987 Load: 32.4 t ADT: 19,800

INTERSTATE 15

Good

Over: HORSE RANCH CREEK

11-SD-015-R47.91, San Diego, CA

Built 1981 Load: 32.4 t ADT: 22,000

STATE ROUTE 54 WB

Good

Over: TOWN & COUNTRY RCB

11-SD-054-1.39L, San Diego, CA

Built 1990 Load: 32.4 t ADT: 45,500

STATE ROUTE 52 WB

Good

Over: OAK CANYON

11-SD-052-11.80-SD, San Diego, CA

Built 1993 Load: 32.4 t ADT: 49,000

STATE ROUTE 52 EB

Good

Over: OAK CANYON

11-SD-052-11.80-SD, San Diego, CA

Built 1993 Load: 32.4 t ADT: 49,000

STATE ROUTE 52 WB

Good

Over: SPRING CANYON

11-SD-052-12.40-SD, San Diego, CA

Built 1993 Load: 32.4 t ADT: 49,000

STATE ROUTE 52 EB

Good

Over: SPRING CANYON

11-SD-052-12.40-SD, San Diego, CA

Built 1993 Load: 32.4 t ADT: 49,000

STATE ROUTE 79

Good

Over: WARNER SPR RANCH CRK

11-SD-079-35.42, San Diego, CA

Built 1986 Load: 32.4 t ADT: 1,700

STATE ROUTE 76

Good

Over: FIRESIDE CHANNEL

11-SD-076-M2.67-OCN, San Diego, CA

Built 1992 Load: 32.4 t ADT: 55,000

STATE ROUTE 76

Good

Over: JENNIFER DRAIN

11-SD-076-12.90-OCN, San Diego, CA

Built 1992 Load: 32.4 t ADT: 21,600

STATE ROUTE 76

Good

Over: HORSE RANCH CREEK

11-SD-076-17.75, San Diego, CA

Built 1996 Load: 32.4 t ADT: 12,900

BONITA ROAD

Good

Over: RICE CANYON

11-SD-000--CHV, San Diego, CA

Built 1973 Load: 32.4 t ADT: 30,000

INTERSTATE 5

Good

Over: CARMEL VALLEY CREEK

11-SD-005-R32.72-SD, San Diego, CA

Built 1998 Load: 32.4 t ADT: 203,000

N5-E56 CONNECTOR

Good

Over: CARMEL VALLEY CREEK

11-SD-005-R32.72-SD, San Diego, CA

Built 1998 Load: 32.4 t ADT: 30,000

SR 56 ON-RAMP

Good

Over: GONZALES CREEK

11-SD-056-2.97-SD, San Diego, CA

Built 2004 Load: 32.4 t ADT: 2,500

STATE ROUTE 56

Good

Over: GONZALES CREEK

11-SD-056-2.97-SD, San Diego, CA

Built 2004 Load: 32.4 t ADT: 27,000

SR 56 OFF RAMP

Good

Over: GONZALES CREEK

11-SD-056-2.97-SD, San Diego, CA

Built 2004 Load: 32.4 t ADT: 2,500

STATE ROUTE 56 WB

Good

Over: SOLTERRA VISTA PKWY

11-SD-056-4.86-SD, San Diego, CA

Built 2004 Load: 32.4 t ADT: 27,000

STATE ROUTE 56 EB

Good

Over: SOLTERRA VISTA PKWY

11-SD-056-4.86-SD, San Diego, CA

Built 2004 Load: 32.4 t ADT: 27,000

STATE ROUTE 56

Good

Over: MCGONIGLE CREEK

11-SD-056-5.42-SD, San Diego, CA

Built 2004 Load: 32.4 t ADT: 27,000

STATE ROUTE 56

Good

Over: MCGONIGLE CREEK

11-SD-056-5.42-SD, San Diego, CA

Built 2004 Load: 32.4 t ADT: 27,000

STATE ROUTE 56

Good

Over: CAMINO DEL SUR

11-SD-056-6.12-SD, San Diego, CA

Built 2004 Load: 32.4 t ADT: 27,000

STATE ROUTE 56

Good

Over: CAMINO DEL SUR

11-SD-056-6.12-SD, San Diego, CA

Built 2004 Load: 32.4 t ADT: 27,000

70TH STREET

Good

Over: MTDB LRT & SDIV RR

11-SD-000-0.00, San Diego, CA

Built 2006 Load: 32.4 t ADT: 19,200

I-8 EB ON/OFF RAMP

Good

Over: 70TH ST ON/OFF RAMP OH

11-SD-008-9.65, San Diego, CA

Built 2006 Load: 32.4 t ADT: 15,000

RANCHOBERNARDO DAR

Good

Over: NONE

11-SD-015-M23.30-SD, San Diego, CA

Built 2008 Load: 32.4 t ADT: 2,600

RANCHOBERNARDO DAR

Good

Over: NONE

11-SD-015-M23.30-SD, San Diego, CA

Built 2008 Load: 32.4 t ADT: 2,600

RANCHOBERNARDO DAR

Good

Over: NONE

11-SD-015-M23.30-SD, San Diego, CA

Built 2008 Load: 32.4 t ADT: 2,600

RANCHOBERNARDO DAR

Good

Over: NONE

11-SD-015-M23.30-SD, San Diego, CA

Built 2008 Load: 32.4 t ADT: 2,600

Showing 22,451-22,500 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.