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

MAIN STREET

Unknown

Over: ROUTE 1

07-LA-001-35.07-SMCA, Los Angeles, CA

Built 1926 ADT: 58,000

U.S. HIGHWAY 101

Unknown

Over: CLINTON STREET

07-LA-101-4.58-LA, Los Angeles, CA

Built 1951 ADT: 1,540

PEDESTRIAN WALKWAY

Unknown

Over: ST RTE 110 & ARROYO SECO

07-LA-110-27.64-LA, Los Angeles, CA

Built 1940 ADT: 134,800

STATE ROUTE 71

Unknown

Over: UP RR, AMTRAK, METROLINK

07-LA-071-1.20-POM, Los Angeles, CA

Built 1939 ADT: 250

AVENUE 26

Unknown

Over: ST RTE 110 & ARROYO SECO

07-LA-110-25.91-LA, Los Angeles, CA

Built 1925 ADT: 123,000

COLLEGE STREET

Unknown

Over: STATE ROUTE 110

07-LA-110-24.16-LA, Los Angeles, CA

Built 1939 ADT: 156,000

PEDESTRIAN WALKWAY

Unknown

Over: STATE ROUTE 1

07-LA-001-35.59-SMCA, Los Angeles, CA

Built 1935 ADT: 72,000

STATE ROUTE 60

Unknown

Over: INTERSTATE 710

07-LA-060-R3.25, Los Angeles, CA

Built 1967 ADT: 127,000

CESAR CHAVEZ AV

Unknown

Over: RTE 10, CONN, BUSWAY

07-LA-010-S0.10-LA, Los Angeles, CA

Built 1906 ADT: 5,000

STATE ROUTE 1

Unknown

Over: CLASSIFICATION RD

07-LA-001-8.43-LA, Los Angeles, CA

Built 1948 ADT: 26,500

METROLINK

Unknown

Over: ST RTE 110 & ARROYO SECO

07-LA-110-26.40-LA, Los Angeles, CA

Built 1940 ADT: 134,800

PASADENA AVE

Unknown

Over: ST RTE 110 & ARROYO SECO

07-LA-110-26.48-LA, Los Angeles, CA

Built 1940 ADT: 16,500

AVENUE 43

Unknown

Over: ST RTE 110 & ARROYO SECO

07-LA-110-27.12-LA, Los Angeles, CA

Built 1939 ADT: 132,000

AVENUE 52

Unknown

Over: STATE ROUTE 110

07-LA-110-28.05-LA, Los Angeles, CA

Built 1939 ADT: 132,000

VIA MARISOL

Unknown

Over: STATE ROUTE 110

07-LA-110-28.38-LA, Los Angeles, CA

Built 1939 ADT: 132,000

AVENUE 60

Unknown

Over: STATE ROUTE 110

07-LA-110-28.76-LA, Los Angeles, CA

Built 1939 ADT: 132,000

METROLINK

Unknown

Over: STATE ROUTE 110

07-LA-110-29.03-LA, Los Angeles, CA

Built 1900 ADT: 134,800

ARROYO DRIVE

Unknown

Over: STATE ROUTE 110

07-LA-110-30.30-SPAS, Los Angeles, CA

Built 1938 ADT: 130,000

GRAND AVENUE

Unknown

Over: STATE ROUTE 110

07-LA-110-30.43-SPAS, Los Angeles, CA

Built 1938 ADT: 132,000

ORANGE GROVE AVE

Unknown

Over: STATE ROUTE 110

07-LA-110-30.59-SPAS, Los Angeles, CA

Built 1939 ADT: 132,000

PROSPECT AVE

Unknown

Over: STATE ROUTE 110

07-LA-110-30.70-SPAS, Los Angeles, CA

Built 1939 ADT: 135,000

MERIDIAN AVNUE

Unknown

Over: STATE ROUTE 110

07-LA-110-30.78-SPAS, Los Angeles, CA

Built 1940 ADT: 66,000

FREMONT AVENUE

Unknown

Over: STATE ROUTE 110

07-LA-110-31.01-SPAS, Los Angeles, CA

Built 1940 ADT: 66,000

METROLINK

Unknown

Over: STATE ROUTE 110

07-LA-110-31.03-SPAS, Los Angeles, CA

Built 1940 ADT: 66,000

FAIR OAKS AVENUE

Unknown

Over: STATE ROUTE 110

07-LA-110-31.17-SPAS, Los Angeles, CA

Built 1940 ADT: 66,000

STATE ROUTE 60

Unknown

Over: FORD BLVD

07-LA-060-R3.30, Los Angeles, CA

Built 1967 ADT: 5,264

MARMION WAY

Unknown

Over: STATE ROUTE 110

07-LA-110-29.28-LA, Los Angeles, CA

Built 1940 ADT: 132,000

3RD ST-W60 ON-RAMP

Unknown

Over: 3RD STREET

07-LA-060-R2.54, Los Angeles, CA

Built 1965 ADT: 18,050

BARHAM BLVD

Unknown

Over: ROUTE 101

07-LA-101-9.22-LA, Los Angeles, CA

Built 1940 ADT: 272,014

PILGRIMAGE OC

Unknown

Over: ROUTE 101

07-LA-101-8.05-LA, Los Angeles, CA

Built 1940 ADT: 154,000

WHITSETT AVE

Unknown

Over: ROUTE 170

07-LA-170-R18.65-LA, Los Angeles, CA

Built 1968 ADT: 175,000

STATE ROUTE 110 SB

Unknown

Over: AMADOR STREET

07-LA-110-25.04L-LA, Los Angeles, CA

Built 1942 ADT: 6,500

ROUTE 2 WB

Unknown

Over: ROUTE 5, RIVERSIDE DR

07-LA-002-14.98-LA, Los Angeles, CA

Built 1961 ADT: 225,710

ROUTE 2 EB

Unknown

Over: ROUTE 5, RIVERSIDE DR

07-LA-002-14.98-LA, Los Angeles, CA

Built 1961 ADT: 7,758

STATE ROUTE 110 SB

Unknown

Over: N110-FIGUEROA ST OFF-RMP

07-LA-110-25.78-LA, Los Angeles, CA

Built 1940 ADT: 8,000

PEDESTRIAN WALKWAY

Unknown

Over: SR 110,RAMPS,ARROYO SECO

07-LA-110-26.19-LA, Los Angeles, CA

Built 1961 ADT: 134,800

S110-HILL ST OFF

Unknown

Over: STATE ROUTE 110 NB

07-LA-110-24.55R-LA, Los Angeles, CA

Built 1942 ADT: 210,000

STATE ROUTE 110 SB

Unknown

Over: STADIUM WAY

07-LA-110-24.73L-LA, Los Angeles, CA

Built 1942 ADT: 1,100

STADIUM WAY

Unknown

Over: STATE ROUTE 110 NB & RMP

07-LA-110-24.76R-LA, Los Angeles, CA

Built 1942 ADT: 99

PARK ROW DR

Unknown

Over: STATE ROUTE 110 SB

07-LA-110-25.20L-LA, Los Angeles, CA

Built 1942 ADT: 183,000

ROUTE 101 SB

Unknown

Over: MISSION RD-E10 ON-RAMP

07-LA-101-S1.28-LA, Los Angeles, CA

Built 1947 ADT: 49,150

ROUTE 101 NB

Unknown

Over: MISSION RD-E10 ON-RAMP

07-LA-101-S1.28-LA, Los Angeles, CA

Built 1947 ADT: 49,150

S101-E10 CONNECTOR

Unknown

Over: ROUTE 101 NBND

07-LA-101-S1.32-LA, Los Angeles, CA

Built 1944 ADT: 140,000

N5 W2 CONN

Unknown

Over: E2 N5 CONNECTOR RAMP

07-LA-005-22.63-LA, Los Angeles, CA

Built 1961 ADT: 2,180

E2-S5 CONNECTOR RA

Unknown

Over: RIVERSIDE DR,S5-OFF-RAMP

07-LA-002-14.95-LA, Los Angeles, CA

Built 1961 ADT: 137,000

FOURTH STREET

Unknown

Over: ROUTE 101

07-LA-101-S0.62-LA, Los Angeles, CA

Built 1947 ADT: 140,000

ALPINE STREET

Unknown

Over: STATE ROUTE 110

07-LA-110-23.96-LA, Los Angeles, CA

Built 1948 ADT: 156,000

SEVENTH STREET

Unknown

Over: ROUTE 101

07-LA-101-S0.02-LA, Los Angeles, CA

Built 1948 ADT: 140,000

BOYLE AVE

Unknown

Over: I- 5, N5-N101, S101-S5

07-LA-005-16.76-LA, Los Angeles, CA

Built 1947 ADT: 2,900

W60-N101 CONN

Unknown

Over: SOTO STREET

07-LA-060-0.39-LA, Los Angeles, CA

Built 1960 ADT: 35,800

Showing 1,401-1,450 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.