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

INTERSTATE 680

Unknown

Over: RUDGEAR ROAD

04-CC-680-R12.61-WLC, Contra Costa, CA

Built 1964 ADT: 3,140

INTERSTATE 80 WB

Unknown

Over: CUTTING BLVD

04-CC-080-2.04-RCH, Contra Costa, CA

Built 1997 ADT: 23,140

INTERSTATE 80 EB

Unknown

Over: CUTTING BLVD

04-CC-080-2.04-RCH, Contra Costa, CA

Built 1997 ADT: 23,140

INTERSTATE 80

Unknown

Over: MACDONALD AVE & E80 OFF

04-CC-080-2.62-RCH, Contra Costa, CA

Built 1956 ADT: 4,420

E80-MACDONALD OFF

Unknown

Over: MACDONALD AVE & E80 OFF

04-CC-080-2.59-RCH, Contra Costa, CA

Built 1979 ADT: 4,420

INTERSTATE 80

Unknown

Over: BARRETT AVENUE

04-CC-080-2.82-RCH, Contra Costa, CA

Built 1956 ADT: 18,550

E80-SAN PABLO OFF

Unknown

Over: BARRETT AVENUE

04-CC-080-2.82-RCH, Contra Costa, CA

Built 1997 ADT: 18,550

INTERSTATE 80

Unknown

Over: SAN PABLO AVENUE

04-CC-080-2.96-RCH, Contra Costa, CA

Built 1956 ADT: 19,200

W80-BARRETT OFFRMP

Unknown

Over: SAN PABLO AVENUE

04-CC-080-2.97-RCH, Contra Costa, CA

Built 1964 ADT: 19,200

SOLANO AVENUE

Unknown

Over: INTERSTATE 80

04-CC-080-3.40-RCH, Contra Costa, CA

Built 1996 ADT: 179,000

MCBRYDE AVENUE

Unknown

Over: INTERSTATE 80

04-CC-080-3.80-RCH, Contra Costa, CA

Built 1997 ADT: 179,000

SAN PABLO DAM ROAD

Unknown

Over: INTERSTATE 80

04-CC-080-4.34-SPB, Contra Costa, CA

Built 1956 ADT: 179,000

W24-CAMINO PABLO

Unknown

Over: CAMINO PABLO

04-CC-024-R2.31-ORIN, Contra Costa, CA

Built 1969 ADT: 4,460

STATE ROUTE 24 WB

Unknown

Over: CAMINO PABLO

04-CC-024-R2.31-ORIN, Contra Costa, CA

Built 1969 ADT: 4,460

STATE ROUTE 24 EB

Unknown

Over: CAMINO PABLO

04-CC-024-R2.31-ORIN, Contra Costa, CA

Built 1954 ADT: 4,460

INTERSTATE 680

Unknown

Over: MONUMENT BOULEVARD

04-CC-680-R17.70-PLHL, Contra Costa, CA

Built 1998 ADT: 35,000

SR 24 WB RAMP

Unknown

Over: PLEASANT HILL ROAD

04-CC-024-R7.66-LFYT, Contra Costa, CA

Built 1970 ADT: 45,700

SR 24 WB

Unknown

Over: PLEASANT HILL ROAD

04-CC-024-R7.66-LFYT, Contra Costa, CA

Built 1970 ADT: 45,700

SR 24 EB

Unknown

Over: PLEASANT HILL ROAD

04-CC-024-R7.66-LFYT, Contra Costa, CA

Built 1971 ADT: 45,700

SR 24 EB RAMP

Unknown

Over: PLEASANT HILL ROAD

04-CC-024-R7.66-LFYT, Contra Costa, CA

Built 1971 ADT: 45,700

OAKLEY ROAD

Unknown

Over: STATE ROUTE 160

04-CC-160-0.48, Contra Costa, CA

Built 1971 ADT: 23,900

STATE ROUTE 24

Unknown

Over: ACALANES ROAD

04-CC-024-R4.40-LFYT, Contra Costa, CA

Built 1969 ADT: 16,700

STATE ROUTE 24 WB

Unknown

Over: ACALANES ROAD

04-CC-024-R4.40-LFYT, Contra Costa, CA

Built 1969 ADT: 16,700

STATE ROUTE 24 EB

Unknown

Over: ACALANES ROAD

04-CC-024-R4.40-LFYT, Contra Costa, CA

Built 1959 ADT: 16,700

E24 & ACALANES RD

Unknown

Over: ACALANES ROAD

04-CC-024-R4.40-LFYT, Contra Costa, CA

Built 1959 ADT: 16,700

ST STEPHENS DRIVE

Unknown

Over: STATE ROUTE 24 & BARTD

04-CC-024-R3.47-ORIN, Contra Costa, CA

Built 1969 ADT: 159,000

INTERSTATE 80

Unknown

Over: CENTRAL AVENUE

04-CC-080-0.22-RCH, Contra Costa, CA

Built 1958 ADT: 28,350

OAK PARK BLVD

Unknown

Over: I 680, N MAIN STREET

04-CC-680-16.88-PLHL, Contra Costa, CA

Built 1982 ADT: 18,000

OAKVALE ROAD

Unknown

Over: INTERSTATE 680

04-CC-680-14.56-WLC, Contra Costa, CA

Built 1997 ADT: 40,000

S680-W24 CONNECTOR

Unknown

Over: YGNACIO VALLEY ROAD

04-CC-680-14.85-WLC, Contra Costa, CA

Built 1994 ADT: 66,100

INTERSTATE 680 SB

Unknown

Over: YGNACIO VALLEY ROAD

04-CC-680-14.85-WLC, Contra Costa, CA

Built 1995 ADT: 66,100

INTERSTATE 680 NB

Unknown

Over: YGNACIO VALLEY ROAD

04-CC-680-14.85-WLC, Contra Costa, CA

Built 1995 ADT: 66,100

INTERSTATE 680

Unknown

Over: PARKSIDE DRIVE

04-CC-680-15.24-WLC, Contra Costa, CA

Built 1960 ADT: 12,800

NORTH MAIN STREET

Unknown

Over: INTERSTATE 680

04-CC-680-15.61-WLC, Contra Costa, CA

Built 1996 ADT: 257,000

TREAT BOULEVARD

Unknown

Over: INTERSTATE 680

04-CC-680-16.40, Contra Costa, CA

Built 1982 ADT: 257,000

INTERSTATE 80

Unknown

Over: PINOLE VALLEY ROAD

04-CC-080-8.51-PIN, Contra Costa, CA

Built 1957 ADT: 19,900

INTERSTATE 80

Unknown

Over: EL PORTAL DRIVE

04-CC-080-5.25, Contra Costa, CA

Built 1956 ADT: 24,500

INTERSTATE 80

Unknown

Over: CARLSON BLVD

04-CC-080-1.00-RCH, Contra Costa, CA

Built 1960 ADT: 14,920

EL CURTOLA BLVD

Unknown

Over: STATE ROUTE 24 & BARTD

04-CC-024-R8.27, Contra Costa, CA

Built 1971 ADT: 159,000

S680-W24 CONNECTOR

Unknown

Over: N680-W24, CAMINO DIABLO

04-CC-680-14.40-WLC, Contra Costa, CA

Built 1997 ADT: 5,000

E24/N680 CONNECTOR

Unknown

Over: N680/W24 CONN,I-680,C.D.

04-CC-024-R8.86-WLC, Contra Costa, CA

Built 1998 ADT: 30,000

E24-S680 CONNECTOR

Unknown

Over: BOULEVARD WAY

04-CC-024-R8.77-WLC, Contra Costa, CA

Built 1994 ADT: 9,970

INTERSTATE 680 SB

Unknown

Over: MT DIABLO BOULEVARD

04-CC-680-14.22-WLC, Contra Costa, CA

Built 1995 ADT: 33,500

INTERSTATE 680 NB

Unknown

Over: MT DIABLO BOULEVARD

04-CC-680-14.22-WLC, Contra Costa, CA

Built 1998 ADT: 33,500

N680-W24 CONNECTOR

Unknown

Over: OLYMPIC BLVD,I-680

04-CC-680-14.15-WLC, Contra Costa, CA

Built 1998 ADT: 5,900

STATE ROUTE 24

Unknown

Over: HAPPY VALLEY ROAD

04-CC-024-R5.97-LFYT, Contra Costa, CA

Built 1970 ADT: 11,400

STATE ROUTE 24

Unknown

Over: HAPPY VALLEY ROAD

04-CC-024-R5.97-LFYT, Contra Costa, CA

Built 1957 ADT: 11,400

STATE ROUTE 24

Unknown

Over: OAK HILL ROAD

04-CC-024-R6.26-LFYT, Contra Costa, CA

Built 1970 ADT: 11,400

STATE ROUTE 24

Unknown

Over: OAK HILL ROAD

04-CC-024-R6.26-LFYT, Contra Costa, CA

Built 1971 ADT: 11,400

STATE ROUTE 24

Unknown

Over: EL NIDO RANCH RD,AQUEDUC

04-CC-024-R4.90-LFYT, Contra Costa, CA

Built 1969 ADT: 3,870

Showing 501-550 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.