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%.

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.

All Bridges in California

COPCO ROAD

Good

Over: KLAMATH RIVER

AGER BESWICK ROAD, Siskiyou, CA

Built 1988 Load: 32.4 t ADT: 133

MILL CREEK RD

Good

Over: SCOTT RIVER

E OF SCOTT RIVER RD, Siskiyou, CA

Built 1985 Load: 32.4 t ADT: 37

CECILVILLE ROAD

Good

Over: SOUTH FORK SALMON RIVER

4 MI S/O SALMON RIVER RD, Siskiyou, CA

Built 1987 Load: 32.4 t ADT: 100

W MOFFETT CREEK RD

Good

Over: MOFFETT CREEK

0.2 MI NE SR 3, Siskiyou, CA

Built 1990 Load: 32.4 t ADT: 59

JACKSON RANCH RD

Good

Over: CARRICK CREEK

1.1 MI W EDGEWOOD RD, Siskiyou, CA

Built 1982 Load: 32.4 t ADT: 120

WEST LOUIE RD

Good

Over: WILLOW CREEK

0.8 MI E OLD HIGHWAY 99, Siskiyou, CA

Built 1989 Load: 32.4 t ADT: 65

MASTERSON ROAD

Good

Over: EAST FORK SCOTT RIVER

1.2 MI S GAZELLE CALAHAN, Siskiyou, CA

Built 1999 Load: 32.4 t ADT: 185

CECILVILLE ROAD

Good

Over: CRAWFORD CREEK

E/O EDDYS GULCH ROAD, Siskiyou, CA

Built 1960 Load: 32.4 t ADT: 97

TENNANT RD

Good

Over: ANTELOPE CREEK

0.05 MI N LONG PRAIRIE R, Siskiyou, CA

Built 1988 Load: 32.4 t ADT: 104

OLD HWY 99

Good

Over: PARKS CREEK

3.1 MI NW I-5, Siskiyou, CA

Built 1994 Load: 32.4 t ADT: 1,005

LWER LTLE SHSTA RD

Good

Over: LITTLE SHASTA RIVER

0.2 MI E OF SOULE LANE, Siskiyou, CA

Built 1978 Load: 32.4 t ADT: 164

BAL MT & SHA RIV R

Good

Over: LITTLE SHASTA RIVER

6.6 MI E SNWDN HONEY GUL, Siskiyou, CA

Built 1988 Load: 32.4 t ADT: 28

ANDERSON GRADE RD

Good

Over: SHASTA RIVER

0.8 MI E SH 263, Siskiyou, CA

Built 1982 Load: 32.4 t ADT: 61

OREGON ST

Good

Over: GREENHORN CREEK

0.1 MI S GREENHORN RD, Siskiyou, CA

Built 1990 Load: 32.4 t ADT: 422

RAYMOND ST

Good

Over: YREKA CREEK

0.05 MI EAST OF SH 3, Siskiyou, CA

Built 1988 Load: 32.4 t ADT: 179

DIGGLES ST

Good

Over: MOFFETT CREEK

AT NEWTON ST, Siskiyou, CA

Built 1988 Load: 32.4 t ADT: 200

WESTSIDE RD

Good

Over: YREKA CREEK

0.25 MI W OF S.R. 3, Siskiyou, CA

Built 1993 Load: 32.4 t ADT: 1,328

SCOTT RIVER RD

Good

Over: DEEP CREEK

0.6 KM N KELSEY CREEK RD, Siskiyou, CA

Built 1999 Load: 32.4 t ADT: 77

WALKER ROAD

Good

Over: LITTLE HUMBUG CREEK

1.5 MI E WALKER RD CONN, Siskiyou, CA

Built 2000 Load: 32.4 t ADT: 68

FRONT ST

Good

Over: COTTONWOOD CREEK

0.05 MI E HORNBROOK RD, Siskiyou, CA

Built 2006 Load: 32.4 t ADT: 127

WHITES GULCH ROAD

Good

Over: WHITES GULCH

0.4 M S OF SAWYER BAR RD, Siskiyou, CA

Built 2009 Load: 32.4 t ADT: 25

EDGEWOOD ROAD

Good

Over: SHASTA RIVER

0.3 M SO STEWART SPRINGS, Siskiyou, CA

Built 2009 Load: 32.4 t ADT: 100

SAWYERS BAR ROAD

Good

Over: KELLY GULCH

3.2 M W OF EDDY GULCH RD., Siskiyou, CA

Built 2006 Load: 32.4 t ADT: 150

CHINA GRADE ROAD

Good

Over: HORSE CREEK

6.7 MI NE ELK CK ROAD, Siskiyou, CA

Built 2008 Load: 32.4 t ADT: 50

INTERSTATE 80 WB

Good

Over: HORSE CREEK

04-SOL-080-R28.57-VAC, Solano, CA

Built 1963 Load: 32.4 t ADT: 60,750

INTERSTATE 505

Good

Over: DRY ARROYO

04-SOL-505-R7.50, Solano, CA

Built 1960 Load: 32.4 t ADT: 22,800

INTERSTATE 80 WB

Good

Over: PINE TREE CREEK

04-SOL-080-R28.32-VAC, Solano, CA

Built 1963 Load: 32.4 t ADT: 70,500

INTERSTATE 680

Good

Over: AMERICAN CANYON CREEK

04-SOL-680-R10.67-FRFD, Solano, CA

Built 1966 Load: 32.4 t ADT: 62,000

STATE ROUTE 37

Good

Over: WHITE SLOUGH

04-SOL-037-8.91-VAL, Solano, CA

Built 2004 Load: 32.4 t ADT: 29,000

PEDRICK ROAD

Good

Over: PUTAH CREEK

SOLANO-YOLO CO LINE, Solano, CA

Built 1974 Load: 32.4 t ADT: 3,394

MANKAS CORNER RD

Good

Over: GORDON CREEK

0.15 MI E SUISUN VALLEY R, Solano, CA

Built 1961 Load: 32.4 t ADT: 2,227

FOOTHILL DRIVE

Good

Over: ENCINOSA CREEK

0.1 MI S PLEASANT VALLEY, Solano, CA

Built 1999 Load: 32.4 t ADT: 1,769

PLEASANTS VALLEY

Good

Over: ENCINOSA CREEK

0.2 MI S FOOTHILL DR, Solano, CA

Built 1999 Load: 32.4 t ADT: 2,286

PLEASANTS VALLEY

Good

Over: ENCINOSA CREEK

0.1 MI S FOOTHILL, Solano, CA

Built 1997 Load: 32.4 t ADT: 2,286

PLEASANTS VALLEY R

Good

Over: ULATIS CREEK

3.5 MI N OF FOOTHILL DR., Solano, CA

Built 2000 Load: 32.4 t ADT: 1,149

PLEASANTS VALLEY R

Good

Over: PLEASANTS CREEK

2 MI S OF HWY 128, Solano, CA

Built 1995 Load: 32.4 t ADT: 817

PLEASANTS VALLEY R

Good

Over: PLEASANTS CREEK

0.7 MI S PUTAH CREEK, Solano, CA

Built 1999 Load: 32.4 t ADT: 817

GULF DRIVE

Good

Over: LAUREL CREEK

BTWN REDWD DR & HICKRY AV, Solano, CA

Built 1982 Load: 32.4 t ADT: 1,800

ROBINSON RD

Good

Over: PUTAH SOUTH CANAL

0.2 MI W PADDON RD, Solano, CA

Built 1977 Load: 32.4 t ADT: 33

ESQUIVEL RD

Good

Over: PUTAH SOUTH CANAL

0.1 MI E PADDON RD, Solano, CA

Built 1977 Load: 32.4 t ADT: 44

CHADBOURNE ROAD

Good

Over: WELLS SLOUGH

3 MI S CORDELIA ROAD, Solano, CA

Built 1997 Load: 32.4 t ADT: 65

CEMENT HILL RD

Good

Over: LAUREL CREEK

0.6 MI W CLAY BANK RD, Solano, CA

Built 1983 Load: 32.4 t ADT: 14,651

NIGHTINGALE DR

Good

Over: LAUREL CREEK

NEAR FALCON DR, Solano, CA

Built 1991 Load: 32.4 t ADT: 2,690

EAST TABOR AVE

Good

Over: LAUREL CREEK

SUNSET AVE & FALCON DR, Solano, CA

Built 1987 Load: 32.4 t ADT: 12,841

LEISURE TOWN RD

Good

Over: ULATIS CREEK

1.6 MI S OF I-80, Solano, CA

Built 1970 Load: 32.4 t ADT: 14,160

VACA VALLEY PKWY

Good

Over: PUTAH SOUTH CANAL

0.7 MI W OF I-505, Solano, CA

Built 1973 Load: 32.4 t ADT: 6,720

E MONTE VISTA AVE

Good

Over: ULATIS CREEK

0.05 MI E OF DOBBINS RD, Solano, CA

Built 1962 Load: 32.4 t ADT: 16,810

MORRISON LANE

Good

Over: SUISUN CREEK

0.1 MI W SUISUN VALLEY RD, Solano, CA

Built 2000 Load: 32.4 t ADT: 139

WEBER RD

Good

Over: SWEENEY CREEK

NEAR BATAVIA RD, Solano, CA

Built 1980 Load: 32.4 t ADT: 483

E MONTE VISTA

Good

Over: DRAIN DITCH

AT VACA VALLEY PARKWAY, Solano, CA

Built 1984 Load: 32.4 t ADT: 2,340

Showing 23,201-23,250 of 27,040 bridges

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.

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.