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

STANLEY BLVD

Good

Over: ARROYO MOCHO

0.1 MI W/O MURRIETA BLVD, Alameda, CA

Built 1940 Load: 28.8 t ADT: 40,300

OPENSHAW RD

Good

Over: DRY CREEK OVERFLOW

0.25 MI N/W SHIPPEE RD, Butte, CA

Built 1955 Load: 28.8 t ADT: 10

CORTINA VINEYARD R

Good

Over: TEHAMA-COLUSA CANAL

1.1 MI S MEYER RD, Colusa, CA

Built 1976 Load: 28.8 t ADT: 62

OLYMPIC BLVD

Good

Over: LAS TRAMPAS CREEK

0.1 MI SW OF I-680, Contra Costa, CA

Built 1963 Load: 28.8 t ADT: 21,623

TRIMMER SPRINGS RD

Good

Over: HUGHES CREEK

1.3 MI N/O PINE FLAT RD, Fresno, CA

Built 1969 Load: 28.8 t ADT: 400

U.S. HIGHWAY 101

Good

Over: BEAR BUTTE ROAD

01-HUM-101-23.01, Humboldt, CA

Built 1962 Load: 28.8 t ADT: 5,100

STATE ROUTE 78

Good

Over: ALAMO RIVER

11-IMP-078-17.48, Imperial, CA

Built 1982 Load: 28.8 t ADT: 6,300

US HIGHWAY 395 SB

Good

Over: FIVE MILE CANYON

09-INY-395-R5.39L, Inyo, CA

Built 1948 Load: 28.8 t ADT: 6,400

STATE ROUTE 58

Good

Over: LA ROSE CREEK

09-KER-058-103.44, Kern, CA

Built 1957 Load: 28.8 t ADT: 40,000

ROUTE 5

Good

Over: BRAND BLVD

07-LA-005-39.98-LA, Los Angeles, CA

Built 1963 Load: 28.8 t ADT: 156,373

STATE ROUTE 14

Good

Over: AGUA DULCE RD UC

07-LA-014-39.85, Los Angeles, CA

Built 1963 Load: 28.8 t ADT: 97,000

FAIRFAX-W10 ONRAMP

Good

Over: BALLONA CRK & ACCESS RD

07-LA-010-R9.10-LA, Los Angeles, CA

Built 1964 Load: 28.8 t ADT: 10,700

W105-CENTRAL OFFRP

Good

Over: COMPTON CREEK

07-LA-105-R8.97-LA, Los Angeles, CA

Built 1988 Load: 28.8 t ADT: 15,600

STATE ROUTE 41

Good

Over: FRESNO RIVER

06-MAD-041-35.30, Madera, CA

Built 1971 Load: 28.8 t ADT: 33,500

U.S. HIGHWAY 101

Good

Over: HILLSIDE

04-MRN-101-1.09-SAUS, Marin, CA

Built 1954 Load: 28.8 t ADT: 53,000

STATE ROUTE 1

Good

Over: MOAT CREEK

01-MEN-001-12.88, Mendocino, CA

Built 1939 Load: 28.8 t ADT: 2,900

US HIGHWAY 101 SB

Good

Over: HENSLEY CR,HENSLEY CR RD

01-MEN-101-27.00, Mendocino, CA

Built 1962 Load: 28.8 t ADT: 13,750

US HIGHWAY 101 NB

Good

Over: HENSLEY CR,HENSLEY CR RD

01-MEN-101-27.00, Mendocino, CA

Built 1962 Load: 28.8 t ADT: 13,750

IRR MINA RD

Good

Over: NORTH FORK EEL RIVER

4.2 MI S TRINITY CO LINE, Mendocino, CA

Built 1967 Load: 28.8 t ADT: 143

STATE ROUTE 59

Good

Over: S FK BLACK RASCAL CREEK

10-MER-059-16.22, Merced, CA

Built 1927 Load: 28.8 t ADT: 15,950

CACHAGUA RD

Good

Over: CACHAGUA CREEK

3.3 MI W/O G16, Monterey, CA

Built 1940 Load: 28.8 t ADT: 720

CACHAGUA RD

Good

Over: CACHAGUA CREEK

4.7 MI WEST OF G 16, Monterey, CA

Built 1965 Load: 28.8 t ADT: 720

INTERSTATE 80

Good

Over: SOUTH YUBA RIVER

03-NEV-080-R61.65L, Nevada, CA

Built 1964 Load: 28.8 t ADT: 14,250

STATE ROUTE 22

Good

Over: SANTIAGO CREEK

12-ORA-022-R11.70-ORA, Orange, CA

Built 1967 Load: 28.8 t ADT: 144,000

RIVERSIDE AVE

Good

Over: DRY CREEK

0.6 MI N CIRBY AVE, Placer, CA

Built 1928 Load: 28.8 t ADT: 18,000

INTERSTATE 10 WB

Good

Over: OBAN DITCH

08-RIV-010-R112.28, Riverside, CA

Built 1966 Load: 28.8 t ADT: 10,700

INTERSTATE 10 WB

Good

Over: WEST CACTUS WASH

08-RIV-010-R72.93, Riverside, CA

Built 1965 Load: 28.8 t ADT: 11,250

INTERSTATE 10 EB

Good

Over: EAST CACTUS CITY ROAD

08-RIV-010-R74.83, Riverside, CA

Built 1965 Load: 28.8 t ADT: 11,250

PACIFIC AVE

Good

Over: CALAVERAS RIVER

0.25 MI N FULTON ST, San Joaquin, CA

Built 1952 Load: 28.8 t ADT: 18,350

MARIPOSA ROAD

Good

Over: S BR S LITTLEJOHNS CREEK

0.3 MI NW GAWNE RD, San Joaquin, CA

Built 1971 Load: 28.8 t ADT: 6,253

S1-S101 CONNECTOR

Good

Over: GAVIOTA CREEK

05-SB-001-R0.16, Santa Barbara, CA

Built 1967 Load: 28.8 t ADT: 2,000

N17-N85 CONNECTOR

Good

Over: OKA ROAD

04-SCL-017-9.43-LGTS, Santa Clara, CA

Built 1994 Load: 28.8 t ADT: 15,100

HOLMES LANE

Good

Over: PUTAH SOUTH CANAL

0.30 MI SW PUTAH CREEK RD, Solano, CA

Built 1955 Load: 28.8 t ADT: 193

INTERSTATE 5 SB

Good

Over: SOUTH FORK BLUE TENT CRK

02-TEH-005-31.75, Tehama, CA

Built 1963 Load: 28.8 t ADT: 19,500

INTERSTATE 5 SB

Good

Over: BURCH CREEK

02-TEH-005-R8.01, Tehama, CA

Built 1966 Load: 28.8 t ADT: 13,500

WILDER RD

Good

Over: REEDS CREEK

0.2 MI S REEDS CREEK RD, Tehama, CA

Built 1949 Load: 28.8 t ADT: 1,500

STATE ROUTE 3

Good

Over: RAMSHORN CREEK

02-TRI-003-73.47, Trinity, CA

Built 1969 Load: 28.8 t ADT: 200

M172A

Good

Over: MIDDLE FORK TULE RIVER

0.3 MI S OF SR 190, Tulare, CA

Built 1969 Load: 28.8 t ADT: 100

M172A

Good

Over: MIDDLE FORK TULE RIVER

0.1 MI E OF FAP 190, Tulare, CA

Built 1969 Load: 28.8 t ADT: 100

R 256

Good

Over: DEER CREEK

0.6 MI S OF A116, Tulare, CA

Built 1953 Load: 28.8 t ADT: 1,200

ROAD 156

Good

Over: CAMERON CREEK

0.3 MI N OF AVE 288, Tulare, CA

Built 1948 Load: 28.8 t ADT: 1,500

STATE ROUTE 16

Good

Over: SOUTH FORK WILLOW SLOUGH

03-YOL-016-31.82, Yolo, CA

Built 1980 Load: 28.8 t ADT: 10,600

STATE ROUTE 113

Good

Over: CACHE CREEK

03-YOL-113-13.10, Yolo, CA

Built 1960 Load: 28.8 t ADT: 3,700

STATE-N101 ON RAMP

Good

Over: EMBANKMENT

07-LA-010-18.48-LA, Los Angeles, CA

Built 1960 Load: 29.0 t ADT: 3,990

STATE ROUTE 88

Good

Over: SOUTH FORK JACKSON CREEK

10-AMA-088-14.30-JKN, Amador, CA

Built 1948 Load: 29.2 t ADT: 10,800

STATE ROUTE 32

Good

Over: PINE CREEK LAGOON

03-BUT-032-1.39, Butte, CA

Built 1958 Load: 29.2 t ADT: 11,700

STATE ROUTE 70

Good

Over: PENSTOCK UC

03-BUT-070-44.43, Butte, CA

Built 1950 Load: 29.2 t ADT: 1,350

STATE ROUTE 20

Good

Over: TEHAMA-COLUSA CANAL

03-COL-020-13.93, Colusa, CA

Built 1977 Load: 29.2 t ADT: 5,800

COUNTY RD 35

Good

Over: TEHAMA-COLUSA CANAL

1.4 MI W OF RD 'D', Glenn, CA

Built 1975 Load: 29.2 t ADT: 38

US HIGHWAY 101 SB

Good

Over: N CENTRAL AVE

01-HUM-101-R95.62, Humboldt, CA

Built 1964 Load: 29.2 t ADT: 16,500

Showing 19,401-19,450 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.