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

N85-N280 CONNECTOR

Unknown

Over: INTERSTATE 280

04-SCL-085-R18.43-SUNV, Santa Clara, CA

Built 1971 ADT: 138,500

STATE ROUTE 85

Unknown

Over: INTERSTATE 280

04-SCL-085-R18.41-SUNV, Santa Clara, CA

Built 1967 ADT: 21,200

S85-S280 CONNECTOR

Unknown

Over: INTERSTATE 280

04-SCL-085-R18.49-CPO, Santa Clara, CA

Built 1967 ADT: 138,500

N85-N280 CONNECTOR

Unknown

Over: S85-S280 CONNECTOR

04-SCL-085-R18.35-CPO, Santa Clara, CA

Built 1971 ADT: 18,500

STATE ROUTE 85

Unknown

Over: S85-S280 CONNECTOR

04-SCL-085-R18.35-SUNV, Santa Clara, CA

Built 1971 ADT: 18,500

S85-S280 CONNECTOR

Unknown

Over: N85-N280 CONNECTOR

04-SCL-085-R18.60-CPO, Santa Clara, CA

Built 1967 ADT: 22,600

STATE ROUTE 85

Unknown

Over: N85-N280 CONNECTOR

04-SCL-085-R18.53-SUNV, Santa Clara, CA

Built 1967 ADT: 22,600

MORA DRIVE

Unknown

Over: INTERSTATE 280

04-SCL-280-13.12, Santa Clara, CA

Built 1967 ADT: 117,000

SB INTERSTATE 280

Unknown

Over: EL MONTE ROAD

04-SCL-280-15.05-LAH, Santa Clara, CA

Built 1967 ADT: 25,300

NB INTERSTATE 280

Unknown

Over: EL MONTE ROAD

04-SCL-280-15.05-LAH, Santa Clara, CA

Built 1967 ADT: 25,300

INTERSTATE 280

Unknown

Over: FOOTHILL EXPRESSWAY

04-SCL-280-11.45-LATS, Santa Clara, CA

Built 1967 ADT: 43,500

PEDESTRIAN WALKWAY

Unknown

Over: STATE ROUTE 85

04-SCL-085-R19.39-SUNV, Santa Clara, CA

Built 1965 ADT: 115,000

SB LAWRENCE EXPWY

Unknown

Over: STATE ROUTE 237

04-SCL-237-R4.60-SUNV, Santa Clara, CA

Built 1966 ADT: 5,000

NB LAWRENCE EXPWY

Unknown

Over: STATE ROUTE 237

04-SCL-237-R4.60-SUNV, Santa Clara, CA

Built 1966 ADT: 5,000

FAIR OAKS AVE NB

Unknown

Over: SR 237, PERSIAN, MOFFETT

04-SCL-237-R3.98-SUNV, Santa Clara, CA

Built 1966 ADT: 5,489

SB INTERSTATE 280

Unknown

Over: ROBLEDA ROAD

04-SCL-280-16.01-LAH, Santa Clara, CA

Built 1967 ADT: 3,250

NB INTERSTATE 280

Unknown

Over: ROBLEDA ROAD

04-SCL-280-16.01-LAH, Santa Clara, CA

Built 1967 ADT: 3,250

SB INTERSTATE 280

Unknown

Over: ELENA ROAD

04-SCL-280-17.35-LAH, Santa Clara, CA

Built 1967 ADT: 3,250

NB INTERSTATE 280

Unknown

Over: ELENA ROAD

04-SCL-280-17.35-LAH, Santa Clara, CA

Built 1967 ADT: 3,250

SB INTERSTATE 280

Unknown

Over: ARASTRADERO ROAD

04-SCL-280-17.78-LAH, Santa Clara, CA

Built 1967 ADT: 7,280

NB INTERSTATE 280

Unknown

Over: ARASTRADERO ROAD

04-SCL-280-17.78-LAH, Santa Clara, CA

Built 1967 ADT: 7,280

SB I280 ON-RAMP

Unknown

Over: PAGE MILL ROAD

04-SCL-280-18.38, Santa Clara, CA

Built 1969 ADT: 46,116

SB INTERSTATE 280

Unknown

Over: PAGE MILL ROAD

04-SCL-280-18.38, Santa Clara, CA

Built 1969 ADT: 46,116

NB INTERSTATE 280

Unknown

Over: PAGE MILL ROAD

04-SCL-280-18.38, Santa Clara, CA

Built 1969 ADT: 46,116

NB I280 ON-RAMP

Unknown

Over: PAGE MILL ROAD

04-SCL-280-18.38, Santa Clara, CA

Built 1969 ADT: 46,116

DANA STREET

Unknown

Over: STATE ROUTE 85 & RAMP

04-SCL-085-R22.43-MVW, Santa Clara, CA

Built 1966 ADT: 115,000

BASCOM AVENUE

Unknown

Over: INTERSTATE 280

04-SCL-280-L4.94-SJS, Santa Clara, CA

Built 1972 ADT: 203,000

LELAND AVENUE

Unknown

Over: INTERSTATE 280

04-SCL-280-L4.66-SJS, Santa Clara, CA

Built 1972 ADT: 203,000

LEIGH AVENUE

Unknown

Over: INTERSTATE 280

04-SCL-280-R4.50-SJS, Santa Clara, CA

Built 1972 ADT: 196,000

MERIDIAN ROAD (SB)

Unknown

Over: INTERSTATE 280

04-SCL-280-R3.99, Santa Clara, CA

Built 1972 ADT: 196,000

MERIDIAN ROAD (NB)

Unknown

Over: INTERSTATE 280

04-SCL-280-R3.99, Santa Clara, CA

Built 1972 ADT: 196,000

UP RR

Unknown

Over: INTERSTATE 280

04-SCL-280-R3.89-SJS, Santa Clara, CA

Built 1972 ADT: 196,000

NB I-280 OFF-RAMP

Unknown

Over: I-280 & RACE STREET

04-SCL-280-R3.87-SJS, Santa Clara, CA

Built 1972 ADT: 8,500

RACE STREET

Unknown

Over: INTERSTATE 280

04-SCL-280-R3.76-SJS, Santa Clara, CA

Built 1970 ADT: 196,000

INTERSTATE 280 SB

Unknown

Over: LINCOLN AVENUE

04-SCL-280-R3.51-SJS, Santa Clara, CA

Built 1969 ADT: 39,700

INTERSTATE 280 NB

Unknown

Over: LINCOLN AVENUE

04-SCL-280-R3.51-SJS, Santa Clara, CA

Built 1969 ADT: 39,700

SB I-280 OFF RAMP

Unknown

Over: LINCOLN AVENUE

04-SCL-280-R3.50-SJS, Santa Clara, CA

Built 1969 ADT: 39,700

UP RR & AMTRAK

Unknown

Over: SB I280 - BIRD AVE

04-SCL-280-R3.02-SJS, Santa Clara, CA

Built 1969 ADT: 15,300

BIRD AVENUE

Unknown

Over: S280-87, I280, 87-N280

04-SCL-280-R2.87-SJS, Santa Clara, CA

Built 1969 ADT: 196,000

BIRD AVE-S280 RAMP

Unknown

Over: S280-ROUTE 87 CONNECTOR

04-SCL-280-R2.76-SJS, Santa Clara, CA

Built 1972 ADT: 27,000

N&S I280 - N&S 87

Unknown

Over: I 280 & SR 87, ST & RMPS

04-SCL-280-R2.50-SJS, Santa Clara, CA

Built 1971 ADT: 17,200

MIDDLE AVENUE

Unknown

Over: U.S. HIGHWAY 101

04-SCL-101-R13.74, Santa Clara, CA

Built 1972 ADT: 112,000

S87- N&S 280 CONN

Unknown

Over: N87-N280,AUZERAIS,ON-RMP

04-SCL-087-5.23-SJS, Santa Clara, CA

Built 1970 ADT: 5,000

SB STATE ROUTE 87

Unknown

Over: N87-N280 CONN & AUZERAIS

04-SCL-087-5.22-SJS, Santa Clara, CA

Built 1970 ADT: 7,080

NB ROUTE 87 & RAMP

Unknown

Over: N87-N280 CON & AUZERAIS

04-SCL-087-5.21-SJS, Santa Clara, CA

Built 1970 ADT: 7,080

RTE 87 & CONNECTOR

Unknown

Over: WEST SAN CARLOS STREET

04-SCL-087-5.45-SJS, Santa Clara, CA

Built 1971 ADT: 15,000

SB INTERSTATE 280

Unknown

Over: SR 87,CONS,GUADALUPE,STS

04-SCL-280-R2.19-SJS, Santa Clara, CA

Built 1971 ADT: 52,400

NB I280 & RAMPS

Unknown

Over: SR 87,CONNS,STRS,RIVER

04-SCL-280-R2.19-SJS, Santa Clara, CA

Built 1971 ADT: 25,300

SB INTERSTATE 280

Unknown

Over: 1ST ST, 2ND, 3RD

04-SCL-280-R1.85-SJS, Santa Clara, CA

Built 1972 ADT: 6,425

NB INTERSTATE 280

Unknown

Over: 1ST ST, 2ND, 3RD

04-SCL-280-R1.85-SJS, Santa Clara, CA

Built 1972 ADT: 6,425

Showing 6,601-6,650 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.