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

LAKEPORT BLVD

Unknown

Over: STATE ROUTE 29

01-LAK-029-R41.42, Lake, CA

Built 1972 ADT: 13,450

STATE ROUTE 29

Unknown

Over: HILL ROAD

01-LAK-029-R46.68, Lake, CA

Built 1972 ADT: 30

STATE ROUTE 29

Unknown

Over: HILL ROAD

01-LAK-029-R46.68, Lake, CA

Built 1972 ADT: 30

STATE ROUTE 29

Unknown

Over: LUCERNE CUT-OFF

01-LAK-029-R47.85, Lake, CA

Built 1972 ADT: 30

STATE ROUTE 29

Unknown

Over: LUCERNE CUT-OFF

01-LAK-029-R47.85, Lake, CA

Built 1972 ADT: 30

PARK WAY

Unknown

Over: STATE ROUTE 29

01-LAK-029-R45.14, Lake, CA

Built 1972 ADT: 13,450

U.S. HIGHWAY 395

Unknown

Over: STATE ROUTE 70

02-LAS-395-R4.60, Lassen, CA

Built 1976 ADT: 4,200

U.S. HIGHWAY 395

Unknown

Over: STATE ROUTE 70

02-LAS-395-R4.60, Lassen, CA

Built 1976 ADT: 4,200

BIKE TRAIL

Unknown

Over: SR 72 (WHITTIER BLVD)

07-LA-072-4.24-WIT, Los Angeles, CA

Built 1930 ADT: 44,100

W10-S164&N164-W10

Unknown

Over: SR 164 (ROSEMEAD BL)

07-LA-010-26.84-RSMD, Los Angeles, CA

Built 1951 ADT: 47,500

WB 10

Unknown

Over: SR 164 (ROSEMEAD BL)

07-LA-010-26.84-RSMD, Los Angeles, CA

Built 1953 ADT: 50,000

EB 10

Unknown

Over: SR 164 (ROSEMEAD BL)

07-LA-010-26.84-RSMD, Los Angeles, CA

Built 1953 ADT: 50,000

E10-N&S164-E10

Unknown

Over: SR 164 (ROSEMEAD BL)

07-LA-010-26.84-RSMD, Los Angeles, CA

Built 1951 ADT: 71,000

TRIGGS AVENUE

Unknown

Over: ROUTE 5

07-LA-005-12.92-CMRC, Los Angeles, CA

Built 1950 ADT: 227,000

UP RR & METROLINK

Unknown

Over: INTERSTATE 5

07-LA-005-12.90-CMRC, Los Angeles, CA

Built 1950 ADT: 231,540

PEDESTRIAN WALKWAY

Unknown

Over: STATE ROUTE 1

07-LA-001-16.81-TOR, Los Angeles, CA

Built 1959 ADT: 38,100

ATLANTIC BLVD

Unknown

Over: ROUTE 5

07-LA-005-12.80-CMRC, Los Angeles, CA

Built 1950 ADT: 231,540

STATE ROUTE 110 WB

Unknown

Over: LA RIV,SCRRA,UPRR,AMTRAK

07-LA-110-25.43L-LA, Los Angeles, CA

Built 1944 ADT: 900

STATE ROUTE 110 NB

Unknown

Over: LA RIV,SCRRA,UPRR,AMTRAK

07-LA-110-25.48R-LA, Los Angeles, CA

Built 1936 ADT: 800

PEDESTRIAN WALKWAY

Unknown

Over: STATE ROUTE 1

07-LA-001-39.62-LA, Los Angeles, CA

Built 1979 ADT: 57,000

STATE ROUTE 60 EB

Unknown

Over: EUCLID AVE

07-LA-060-R0.94-LA, Los Angeles, CA

Built 1965 ADT: 10,500

EUCLID AVE

Unknown

Over: SR 60 WB,W60-N101,W6-N5

07-LA-060-R0.97-LA, Los Angeles, CA

Built 1965 ADT: 108,500

STATE ROUTE 60

Unknown

Over: WHITTIER BLVD

07-LA-060-R1.27-LA, Los Angeles, CA

Built 1965 ADT: 18,500

STATE ROUTE 60

Unknown

Over: WHITTIER BLVD

07-LA-060-R1.26-LA, Los Angeles, CA

Built 1965 ADT: 18,500

STATE ROUTE 60

Unknown

Over: WHITTIER BLVD

07-LA-060-R1.25-LA, Los Angeles, CA

Built 1965 ADT: 18,500

LORENA ST OC

Unknown

Over: ROUTE 60

07-LA-060-R1.48-LA, Los Angeles, CA

Built 1965 ADT: 223,000

CULVER BLVD

Unknown

Over: ROUTE 1

07-LA-001-30.47-LA, Los Angeles, CA

Built 1933 ADT: 50,000

BROADWAY

Unknown

Over: BROADWAY-N101 ON-RAMP

07-LA-101-1.10-LA, Los Angeles, CA

Built 1950 ADT: 9,800

PEDESTRIAN WALKWAY

Unknown

Over: STATE ROUTE 60

07-LA-060-R1.76-LA, Los Angeles, CA

Built 1965 ADT: 239,000

U.S. HIGHWAY 101

Unknown

Over: LANKERSHIM BLVD

07-LA-101-10.34-LA, Los Angeles, CA

Built 1948 ADT: 25,000

INDIANA ST

Unknown

Over: ROUTE 60

07-LA-060-R1.94-LA, Los Angeles, CA

Built 1965 ADT: 239,000

S101-TEMPLE ST OFF

Unknown

Over: N&S110-S101 CONNECTOR RP

07-LA-101-1.40-LA, Los Angeles, CA

Built 1949 ADT: 17,000

GRAND AV-N101 ONRP

Unknown

Over: N101-N&S110 CONNECTR RMP

07-LA-101-1.42-LA, Los Angeles, CA

Built 1949 ADT: 30,000

ROWAN AVE

Unknown

Over: ROUTE 60

07-LA-060-R2.22, Los Angeles, CA

Built 1965 ADT: 239,000

YORK BLVD

Unknown

Over: SR 110, ARROYO SECO, ETC

07-LA-110-29.50-LA, Los Angeles, CA

Built 1912 ADT: 130,000

EASTERN AVE

Unknown

Over: I 10,CONN,BUS,METRO,RMPS

07-LA-010-20.85-LA, Los Angeles, CA

Built 1972 ADT: 23,500

STATE STREET

Unknown

Over: W10-S5&101 CONNECTOR

07-LA-010-18.52-LA, Los Angeles, CA

Built 1934 ADT: 55,000

SOTO-MARENGO ST

Unknown

Over: I10,CONN,RMP,BUSWY,METRO

07-LA-010-19.07-LA, Los Angeles, CA

Built 1972 ADT: 1,000

STATE ROUTE 1

Unknown

Over: STATE ROUTE 103

07-LA-001-8.27-LBCH, Los Angeles, CA

Built 1948 ADT: 18,000

TELEPHONE UTILITY

Unknown

Over: ROUTE 405

07-LA-405-23.30-ING, Los Angeles, CA

Built 1961 ADT: 268,000

STATE ROUTE 134

Unknown

Over: ARROYO SECO & STREETS

07-LA-134-R12.57-PAS, Los Angeles, CA

Built 1953 ADT: 2,300

BNSF RY

Unknown

Over: SR 107 (HAWTHORNE)

07-LA-107-3.73-TOR, Los Angeles, CA

Built 1926 ADT: 67,000

SCRRA METRO, BNSF

Unknown

Over: ST RTE 164 (ROSEMEAD BL)

07-LA-164-5.63-RSMD, Los Angeles, CA

Built 1951 ADT: 44,100

STATE ROUTE 110

Unknown

Over: TEMPLE STREET

07-LA-110-23.61-LA, Los Angeles, CA

Built 1948 ADT: 7,000

N110 TO S101 &N101

Unknown

Over: TEMPLE STREET

07-LA-110-23.61-LA, Los Angeles, CA

Built 1948 ADT: 99

SUNSET BLVD

Unknown

Over: STATE ROUTE 110 & RAMPS

07-LA-110-23.83-LA, Los Angeles, CA

Built 1948 ADT: 99

STATE ROUTE 2

Unknown

Over: LOS ANGELES RIVER

07-LA-002-15.52-LA, Los Angeles, CA

Built 1961 ADT: 7,200

STATE ROUTE 110

Unknown

Over: RAMP, STONEY,ARROYO SECO

07-LA-110-30.10-SPAS, Los Angeles, CA

Built 1939 ADT: 1,000

MULHOLLAND OC

Unknown

Over: US 101 & RPS

07-LA-101-8.75-LA, Los Angeles, CA

Built 1940 ADT: 5,000

LACMTA & SCRRA

Unknown

Over: N ROSEMEAD BLVD

07-LA-164-10.88-PAS, Los Angeles, CA

Built 1939 ADT: 40,600

Showing 1,351-1,400 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.