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

STOW STREET

Unknown

Over: ROUTE 118

07-VEN-118-R29.32-SIMV, Ventura, CA

Built 1968 ADT: 136,000

ROUTE 118

Unknown

Over: STEARNS STREET

07-VEN-118-R28.81-SIMV, Ventura, CA

Built 1968 ADT: 10,960

N101-N23 CONNECTOR

Unknown

Over: THOUSAND OAKS BLVD

07-VEN-101-3.14-THOK, Ventura, CA

Built 1970 ADT: 16,280

SUNSET HILLS BLVD

Unknown

Over: ROUTE 23

07-VEN-023-R7.16-THOK, Ventura, CA

Built 1970 ADT: 89,000

U.S. HIGHWAY 101

Unknown

Over: RANCHO RD

07-VEN-101-3.03-THOK, Ventura, CA

Built 1970 ADT: 8,000

RAMP/CONNECTOR 101

Unknown

Over: RANCHO RD

07-VEN-101-3.02-THOK, Ventura, CA

Built 1970 ADT: 22,200

U.S. HIGHWAY 101

Unknown

Over: S101-N23 CONNECTOR RAMP

07-VEN-101-3.20-THOK, Ventura, CA

Built 1970 ADT: 17,701

S101-RANCHO RD OFF

Unknown

Over: S101-N23 CONNECTOR RAMP

07-VEN-101-3.20-THOK, Ventura, CA

Built 1970 ADT: 17,701

SB 23 - SB 101

Unknown

Over: U.S. HIGHWAY 101

07-VEN-023-R3.34-THOK, Ventura, CA

Built 1970 ADT: 7,300

AVENIDA DE LAS FLO

Unknown

Over: ROUTE 23

07-VEN-023-R5.61-THOK, Ventura, CA

Built 1970 ADT: 93,000

COCHRAN STREET

Unknown

Over: ROUTE 118

07-VEN-118-R29.96-SIMV, Ventura, CA

Built 1968 ADT: 132,000

LYNN RD

Unknown

Over: ROUTE 101

07-VEN-101-5.05-THOK, Ventura, CA

Built 1968 ADT: 187,000

FIRST ST OC

Unknown

Over: ROUTE 118

07-VEN-118-R23.81-SIMV, Ventura, CA

Built 1970 ADT: 114,000

STATE ROUTE 23

Unknown

Over: NEW LOS ANGELES AVE

07-VEN-023-T11.57, Ventura, CA

Built 1993 ADT: 8,500

STATE ROUTE 23

Unknown

Over: NEW LOS ANGELES AVE

07-VEN-023-T11.55, Ventura, CA

Built 1993 ADT: 28,346

COLLINS DRIVE

Unknown

Over: ROUTE 118

07-VEN-118-T20.00, Ventura, CA

Built 1993 ADT: 83,000

LAKEVIEW CYN RD

Unknown

Over: ROUTE 101

07-VEN-101-0.16-THOK, Ventura, CA

Built 1973 ADT: 176,000

ROUTE 118 WB

Unknown

Over: MADERA RD

07-VEN-118-R22.99-SIMV, Ventura, CA

Built 1976 ADT: 10,000

ROUTE 118 EB

Unknown

Over: MADERA RD

07-VEN-118-R22.99-SIMV, Ventura, CA

Built 1976 ADT: 10,000

LANDFILL ACCESS RD

Unknown

Over: ROUTE 118

07-VEN-118-R22.56, Ventura, CA

Built 1974 ADT: 83,000

S101-N23 CONNECTOR

Unknown

Over: THOUSAND OAKS BLVD

07-VEN-101-3.16-THOK, Ventura, CA

Built 1970 ADT: 12,500

CARMEN DR OC

Unknown

Over: ROUTE 101

07-VEN-101-14.80-CMRL, Ventura, CA

Built 1996 ADT: 130,000

SEAWARD AVENUE

Unknown

Over: US HIGHWAY 101

07-VEN-101-28.45-VEN, Ventura, CA

Built 2001 ADT: 129,000

ROSE AVENUE

Unknown

Over: US HIGHWAY 101

07-VEN-101-21.01-OXN, Ventura, CA

Built 2001 ADT: 137,000

PLEASANT VALLEY RO

Unknown

Over: STATE ROUTE 1

07-VEN-001-R15.01-OXN, Ventura, CA

Built 2003 ADT: 16,800

RICE AV NB-001 NB

Unknown

Over: STATE ROUTE 1

07-VEN-001-R14.67-OXN, Ventura, CA

Built 2003 ADT: 8,200

S001-RICE AV OFFRP

Unknown

Over: PLEASANT VALLEY-S001 ON

07-VEN-001-R14.75-OXN, Ventura, CA

Built 2003 ADT: 8,200

ARNEILL ROAD

Unknown

Over: US HIGHWAY 101

07-VEN-101-14.13-CMRL, Ventura, CA

Built 2005 ADT: 144,000

U.S. HIGHWAY 101

Unknown

Over: SANTA CLARA RIVER

07-VEN-101-R23.07, Ventura, CA

Built 2007 ADT: 15,000

OXNARD BLVD

Unknown

Over: US HIGHWAY 101

07-VEN-101-21.98, Ventura, CA

Built 2004 ADT: 136,000

SPRINGVILLE DRIVE

Unknown

Over: US HIGHWAY 101

07-VEN-101-16.79-CMRL, Ventura, CA

Built 2012 ADT: 148,000

RICE AVENUE

Unknown

Over: ROUTE 101

07-VEN-101-20.08-OXN, Ventura, CA

Built 2013 ADT: 136,000

UP RR & AMTRAK

Unknown

Over: SANJON ROAD

0.2 MI N US 101, Ventura, CA

Built 1969 ADT: 10,700

UP RR & AMTRAK

Unknown

Over: SEAWARD AVE

0.2 MI N US 101, Ventura, CA

Built 1962 ADT: 26,500

VISTA DEL MAR

Unknown

Over: SEAWARD AVENUE

0.2 MI N US 101, Ventura, CA

Built 1962 ADT: 26,500

POC

Unknown

Over: LANTANA STREET

0.3 MI S PONDEROSA DR, Ventura, CA

Built 1981 ADT: 4,000

POC

Unknown

Over: OLSEN ROAD

0.5 MI W MOORPARK RD, Ventura, CA

Built 1979 ADT: 14,500

CHANNEL ISLAND BL

Unknown

Over: OXNARD BLVD

.25 MI WEST OF S.ROSE AVE, Ventura, CA

Built 1957 ADT: 18,900

THIRD ST

Unknown

Over: UP RR, AMTRAK, OXNARD BL

500 FT NORTH OF W.4TH ST, Ventura, CA

Built 1987 ADT: 38,250

SP/UP RR

Unknown

Over: OXNARD BLVD

07-VEN-000-0.00-OXN, Ventura, CA

Built 1931 ADT: 26,000

WAGON WHEEL ROAD

Unknown

Over: OXNARD BLVD

500 FT SOUTH OF SPUR DR, Ventura, CA

Built 1955 ADT: 35,000

INTERSTATE 5 SB

Unknown

Over: SACRAMENTO RIV (ELKHORN)

03-YOL-005-0.01, Yolo, CA

Built 1969 ADT: 500

INTERSTATE 5 NB

Unknown

Over: SACRAMENTO RIV (ELKHORN)

03-YOL-005-0.01, Yolo, CA

Built 1969 ADT: 500

INTERSTATE 80 WB

Unknown

Over: SACRAMENTO RIVER (BRYTE)

03-YOL-080-R11.31-WSAC, Yolo, CA

Built 1971 ADT: 5,000

INTERSTATE 80 EB

Unknown

Over: SACRAMENTO RIVER (BRYTE)

03-YOL-080-R11.31-WSAC, Yolo, CA

Built 1971 ADT: 5,000

COUNTY ROAD 8

Unknown

Over: INTERSTATE 5

03-YOL-005-R23.79, Yolo, CA

Built 1968 ADT: 30,000

MACE BLVD

Unknown

Over: INTERSTATE 80

03-YOL-080-2.68-DVS, Yolo, CA

Built 1960 ADT: 132,000

RUSSELL BLVD

Unknown

Over: STATE ROUTE 113

03-YOL-113-R1.08-DVS, Yolo, CA

Built 1976 ADT: 37,500

RICHARDS BLVD

Unknown

Over: INTERSTATE 80

03-YOL-080-0.24-DVS, Yolo, CA

Built 1994 ADT: 128,000

INTERSTATE 80

Unknown

Over: ENTERPRISE BLVD

03-YOL-080-9.18, Yolo, CA

Built 1951 ADT: 20,000

Showing 7,501-7,550 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.