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

CROW CANYON RD

Good

Over: CROW CREEK

1.3 MI NE OF I-580, Alameda, CA

Built 1970 Load: 34.3 t ADT: 28,800

GOLD STRIKE RD

Good

Over: MURRAY CREEK

1.7 MI SW/O SR 49, Calaveras, CA

Built 1949 Load: 34.3 t ADT: 1,364

S JAMES ROAD

Good

Over: JAMES BYPASS

4 MI S OF SR 180, Fresno, CA

Built 1956 Load: 34.3 t ADT: 2,200

US HIGHWAY 395 NB

Good

Over: FIVE MILE CANYON

09-INY-395-R5.12R, Inyo, CA

Built 1970 Load: 34.3 t ADT: 6,400

INTERSTATE 5

Good

Over: CASTAIC CREEK

07-LA-005-R56.26, Los Angeles, CA

Built 1968 Load: 34.3 t ADT: 54,420

STA RTE 2

Good

Over: RIPPLE STREET

07-LA-002-15.44-LA, Los Angeles, CA

Built 1961 Load: 34.3 t ADT: 5,600

INTERSTATE 10 EB

Good

Over: EATON WASH

07-LA-010-27.85-EMTE, Los Angeles, CA

Built 1956 Load: 34.3 t ADT: 104,700

STATE ROUTE 57

Good

Over: LACMTA & BNSF RY

07-LA-057-R11.15-SDMS, Los Angeles, CA

Built 1971 Load: 34.3 t ADT: 158,000

STATE ROUTE 14

Good

Over: AVENUE "I"

07-LA-014-R68.96-LAN, Los Angeles, CA

Built 1972 Load: 34.3 t ADT: 25,500

STATE ROUTE 14

Good

Over: AVENUE "I"

07-LA-014-R68.96-LAN, Los Angeles, CA

Built 1972 Load: 34.3 t ADT: 25,500

GLENDORA AVE

Good

Over: WALNUT CRK

AT VALINDA AVE, Los Angeles, CA

Built 1961 Load: 34.3 t ADT: 9,348

MAYFIELD AVE

Good

Over: PICKENS CYN CHAN

0.5MI W/O OCEAN V BLVD, Los Angeles, CA

Built 1936 Load: 34.3 t ADT: 556

SAN FRANCISQUITO

Good

Over: SAN FRANCISQUITO CN CRK

5.0MI N/O COPPER HILL DR, Los Angeles, CA

Built 2005 Load: 34.3 t ADT: 4,458

STATE ROUTE 1

Good

Over: BLUE SLIDE GULCH

01-MEN-001-75.00, Mendocino, CA

Built 1946 Load: 34.3 t ADT: 830

STATE ROUTE 1 NB

Good

Over: LAKE DRIVE

05-MON-001-R85.51, Monterey, CA

Built 1976 Load: 34.3 t ADT: 23,000

HARO ST

Good

Over: TEMBLADERO SLOUGH

0.2 MI S SR 183, Monterey, CA

Built 1966 Load: 34.3 t ADT: 200

COLOMA WAY

Good

Over: CIRBY CREEK

0.1 MI E SUNRISE AVE, Placer, CA

Built 1968 Load: 34.3 t ADT: 3,200

CALLE ENCILIA

Good

Over: BARISTO FLOOD CONTROL CH

0.20 MI. N/O RAMON ROAD, Riverside, CA

Built 1966 Load: 34.3 t ADT: 2,842

WYNHAM DR

Good

Over: UNION HOUSE CREEK

0.1 MI W BRUCEVILLE RD, Sacramento, CA

Built 1975 Load: 34.3 t ADT: 4,257

INTERSTATE 15 SB

Good

Over: TONO DITCH

08-SBD-015-R123.09, San Bernardino, CA

Built 1965 Load: 34.3 t ADT: 37,500

INTERSTATE 15 SB

Good

Over: MOBI DITCH

08-SBD-015-R135.05, San Bernardino, CA

Built 1965 Load: 34.3 t ADT: 22,000

INTERSTATE 15 NB

Good

Over: MOBI DITCH

08-SBD-015-R135.05, San Bernardino, CA

Built 1965 Load: 34.3 t ADT: 22,000

INTERSTATE 15 SB

Good

Over: EAST MANIX WASH

08-SBD-015-R100.67, San Bernardino, CA

Built 1963 Load: 34.3 t ADT: 28,000

INTERSTATE 15 NB

Good

Over: EAST MANIX WASH

08-SBD-015-R100.67, San Bernardino, CA

Built 1963 Load: 34.3 t ADT: 28,000

STATE ROUTE 18

Good

Over: HILLSIDE

08-SBD-018-R12.49, San Bernardino, CA

Built 1966 Load: 34.3 t ADT: 16,800

RIVER VALLEY DRIVE

Good

Over: CLOVER CREEK

0.1 MI W OF AIRPORT RD, Shasta, CA

Built 1934 Load: 34.3 t ADT: 300

STATE ROUTE 49

Good

Over: SMITHNECK CREEK

03-SIE-049-60.54-LOY, Sierra, CA

Built 1965 Load: 34.3 t ADT: 1,900

ELK CREEK ROAD

Good

Over: ELK CREEK

5.1 MI S OF SR96, Siskiyou, CA

Built 1967 Load: 34.3 t ADT: 293

GRAYSON ROAD

Good

Over: SAN JOAQUIN RIVER

0.2 MI N/E OF COX RD, Stanislaus, CA

Built 1962 Load: 34.3 t ADT: 5,299

INTERSTATE 5 SB

Good

Over: RICE CREEK

02-TEH-005-R4.02, Tehama, CA

Built 1966 Load: 34.3 t ADT: 12,300

INTERSTATE 5 NB

Good

Over: RICE CREEK

02-TEH-005-R4.02, Tehama, CA

Built 1966 Load: 34.3 t ADT: 12,300

STATE ROUTE 3

Good

Over: BROWNS CREEK

02-TRI-003-R26.30, Trinity, CA

Built 1973 Load: 34.3 t ADT: 1,450

A 280 (VISALIA RD)

Good

Over: DEEP CREEK

0.2 MI E OF RD 164, Tulare, CA

Built 1930 Load: 34.3 t ADT: 9,525

STATE ROUTE 33 NB

Good

Over: CROOKED PALM ROAD

07-VEN-033-R3.26, Ventura, CA

Built 1970 Load: 34.3 t ADT: 15,500

U.S. HIGHWAY 101

Good

Over: HILLSIDE

07-VEN-101-4.53-THOK, Ventura, CA

Built 1982 Load: 34.3 t ADT: 192,000

DARLING RD

Good

Over: FRANKLIN-WASON BARRANCA

.5 MI NE OF WELLS RD, Ventura, CA

Built 1981 Load: 34.3 t ADT: 500

GRIMES CANYON RD

Good

Over: GRIMES CANYON WASH

1.4 MI N OF S.R. 118, Ventura, CA

Built 1967 Load: 34.3 t ADT: 3,100

INTERSTATE 80

Good

Over: YOLO CAUSEWAY EAST

03-YOL-080-7.25, Yolo, CA

Built 1963 Load: 34.3 t ADT: 135,000

CR 90A(BUCKEYE RD)

Good

Over: DRY SLOUGH

0.83 MI N OF SR 128, Yolo, CA

Built 1947 Load: 34.3 t ADT: 121

COUNTY ROAD 2

Good

Over: TEHAMA-COLUSA CANAL

0.8 MI W/O I-5, Yolo, CA

Built 1978 Load: 34.3 t ADT: 225

STATE ROUTE 65 SB

Good

Over: HUTCHINSON CREEK

03-YUB-065-R7.44, Yuba, CA

Built 1971 Load: 34.3 t ADT: 7,200

N.E.E.D. CAMP ROAD

Good

Over: LOWER CLEAR CREEK

1.5 miles southwest of Hw, Shasta, CA

Built 2004 Load: 34.5 t ADT: 30

INTERSTATE 5

Good

Over: NORTH BRANCH SAND CREEK

03-COL-005-R9.79, Colusa, CA

Built 1967 Load: 34.7 t ADT: 15,000

INTERSTATE 5

Good

Over: NORTH BRANCH SAND CREEK

03-COL-005-R9.79, Colusa, CA

Built 1967 Load: 34.7 t ADT: 15,000

W DAVIS AVE

Good

Over: LIBERTY MILLRACE CANAL

2 MI W OF MARKS AVE, Fresno, CA

Built 1948 Load: 34.7 t ADT: 400

INTERSTATE 5 SB

Good

Over: TEHAMA-COLUSA CANAL

03-GLE-005-R21.34, Glenn, CA

Built 1966 Load: 34.7 t ADT: 12,750

INTERSTATE 5 NB

Good

Over: TEHAMA-COLUSA CANAL

03-GLE-005-R21.34, Glenn, CA

Built 1966 Load: 34.7 t ADT: 12,750

FAMOSO WOODY ROAD

Good

Over: POSO CREEK

0.1 MI E FAMOSO PORTERVLE, Kern, CA

Built 1970 Load: 34.7 t ADT: 2,250

STATE ROUTE 1

Good

Over: PENA CANYON

07-LA-001-41.81-MAL, Los Angeles, CA

Built 1940 Load: 34.7 t ADT: 42,500

STATE ROUTE 118 EB

Good

Over: SHARP AVE

07-LA-118-R11.32R-LA, Los Angeles, CA

Built 1976 Load: 34.7 t ADT: 122,000

Showing 23,951-24,000 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.