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

ROUTE 40 W BOUND

Good

Over: ORD DITCH

08-SBD-040-R6.94, San Bernardino, CA

Built 1964 Load: 32.4 t ADT: 9,800

INTERSTATE 40

Good

Over: BLAIR DITCH

08-SBD-040-0.46-BSW, San Bernardino, CA

Built 1961 Load: 32.4 t ADT: 38,500

ROUTE 40 W BOUND

Good

Over: ROCK DITCH

08-SBD-040-R7.40, San Bernardino, CA

Built 1964 Load: 32.4 t ADT: 8,900

ROUTE 40 E BOUND

Good

Over: ROCK DITCH

08-SBD-040-R7.40, San Bernardino, CA

Built 1964 Load: 32.4 t ADT: 9,800

STATE ROUTE 18

Good

Over: HILLSIDE

08-SBD-018-R11.54, San Bernardino, CA

Built 1967 Load: 32.4 t ADT: 16,800

STATE ROUTE 60

Good

Over: CAMPUS AVENUE

08-SBD-060-R5.11-ONT, San Bernardino, CA

Built 1972 Load: 32.4 t ADT: 221,000

STATE HIGHWAY 189

Good

Over: LITTLE BEAR CREEK

08-SBD-189-4.08, San Bernardino, CA

Built 1967 Load: 32.4 t ADT: 5,200

ROUTE 40 W BOUND

Good

Over: WYE DITCH

08-SBD-040-R10.30, San Bernardino, CA

Built 1968 Load: 32.4 t ADT: 9,800

ROUTE 40 E BOUND

Good

Over: WYE DITCH

08-SBD-040-R10.30, San Bernardino, CA

Built 1968 Load: 32.4 t ADT: 9,800

INTERSTATE 40

Good

Over: FORK DITCH

08-SBD-040-R11.10, San Bernardino, CA

Built 1968 Load: 32.4 t ADT: 9,800

INTERSTATE 40

Good

Over: FORK DITCH

08-SBD-040-R11.10, San Bernardino, CA

Built 1968 Load: 32.4 t ADT: 9,800

INTERSTATE 40

Good

Over: STRIPE MOUNTAIN DITCH

08-SBD-040-R17.10, San Bernardino, CA

Built 1968 Load: 32.4 t ADT: 9,800

INTERSTATE 40

Good

Over: STRIPE MOUNTAIN DITCH

08-SBD-040-R17.10, San Bernardino, CA

Built 1968 Load: 32.4 t ADT: 9,800

INTERSTATE 15

Good

Over: OAKIE FLATS ROAD

08-SBD-015-R17.47, San Bernardino, CA

Built 1969 Load: 32.4 t ADT: 171,000

STATE ROUTE 210 WB

Good

Over: PIONEER AVENUE

08-SBD-210-R32.08-RDL, San Bernardino, CA

Built 1984 Load: 32.4 t ADT: 44,500

STATE ROUTE 210 EB

Good

Over: PIONEER AVENUE

08-SBD-210-R32.08-RDL, San Bernardino, CA

Built 1992 Load: 32.4 t ADT: 44,500

STATE ROUTE 210 WB

Good

Over: SANTA ANA RIVER

08-SBD-210-R31.16-RDL, San Bernardino, CA

Built 1984 Load: 32.4 t ADT: 44,500

STATE ROUTE 210 EB

Good

Over: SANTA ANA RIVER

08-SBD-210-R31.16-RDL, San Bernardino, CA

Built 1992 Load: 32.4 t ADT: 44,500

STATE ROUTE 210 WB

Good

Over: PLUNGE CREEK/SERVICE RD

08-SBD-210-R30.48-HIGH, San Bernardino, CA

Built 1984 Load: 32.4 t ADT: 44,500

STATE ROUTE 210 EB

Good

Over: PLUNGE CREEK/SERVICE RD

08-SBD-210-R30.48-HIGH, San Bernardino, CA

Built 1992 Load: 32.4 t ADT: 44,500

INTERSTATE 15 NB

Good

Over: SOUTH FOREST ROAD

08-SBD-015-R23.47R, San Bernardino, CA

Built 1969 Load: 32.4 t ADT: 79,000

STATE ROUTE 210 WB

Good

Over: MIRAMONTE DRIVE

08-SBD-210-R22.19-SBD, San Bernardino, CA

Built 1989 Load: 32.4 t ADT: 53,000

STATE ROUTE 210 EB

Good

Over: MIRAMONTE DRIVE

08-SBD-210-R22.19-SBD, San Bernardino, CA

Built 1989 Load: 32.4 t ADT: 53,000

STATE ROUTE 210

Good

Over: D ROSA-LITTLE SAND CR CH

08-SBD-210-R25.81, San Bernardino, CA

Built 1971 Load: 32.4 t ADT: 88,000

STATE ROUTE 62

Good

Over: SAVAHIA PEAK WASH #1

08-SBD-062-127.29, San Bernardino, CA

Built 1969 Load: 32.4 t ADT: 2,346

STATE ROUTE 62

Good

Over: SAVAHIA PEAK WASH #2

08-SBD-062-128.47, San Bernardino, CA

Built 1969 Load: 32.4 t ADT: 2,346

STATE ROUTE 62

Good

Over: SAVAHIA PEAK WASH #3

08-SBD-062-129.80, San Bernardino, CA

Built 1969 Load: 32.4 t ADT: 2,346

INTERSTATE 40 WB

Good

Over: EDELWEISS DITCH

08-SBD-040-R60.80L, San Bernardino, CA

Built 1970 Load: 32.4 t ADT: 16,500

INTERSTATE 40 EB

Good

Over: EDELWEISS DITCH

08-SBD-040-R60.80R, San Bernardino, CA

Built 1970 Load: 32.4 t ADT: 16,500

INTERSTATE 40 WB

Good

Over: LEEK DITCH

08-SBD-040-R65.80L, San Bernardino, CA

Built 1972 Load: 32.4 t ADT: 16,500

INTERSTATE 40 WB

Good

Over: PARSLEY DITCH

08-SBD-040-R71.10, San Bernardino, CA

Built 1972 Load: 32.4 t ADT: 16,500

STATE ROUTE 18

Good

Over: LUCERNE VALLEY STORM DRN

08-SBD-018-73.90, San Bernardino, CA

Built 1973 Load: 32.4 t ADT: 9,000

STATE HIGHWAY 138

Good

Over: UP RR

08-SBD-138-14.28, San Bernardino, CA

Built 1983 Load: 32.4 t ADT: 21,500

STATE ROUTE 210 WB

Good

Over: ACCESS ROAD

08-SBD-210-R30.61-HIGH, San Bernardino, CA

Built 1984 Load: 32.4 t ADT: 44,500

STATE ROUTE 210 EB

Good

Over: ACCESS ROAD

08-SBD-210-R30.61-HIGH, San Bernardino, CA

Built 1992 Load: 32.4 t ADT: 44,500

STATE ROUTE 18

Good

Over: RATHBONE CREEK

08-SBD-018-50.88, San Bernardino, CA

Built 1978 Load: 32.4 t ADT: 32,500

STATE ROUTE 210 WB

Good

Over: CITY CREEK

08-SBD-210-R29.98-HIGH, San Bernardino, CA

Built 1992 Load: 32.4 t ADT: 38,000

STATE ROUTE 210 EB

Good

Over: CITY CREEK

08-SBD-210-R29.98-HIGH, San Bernardino, CA

Built 1992 Load: 32.4 t ADT: 38,000

STATE ROUTE 62

Good

Over: LITTLE MORONGO CREEK

08-SBD-062-5.55, San Bernardino, CA

Built 1987 Load: 32.4 t ADT: 22,500

STATE HIGHWAY 71

Good

Over: LOWER LOS SERRANOS CHANL

08-SBD-071-R5.66-CHNH, San Bernardino, CA

Built 1987 Load: 32.4 t ADT: 73,000

STATE ROUTE 58 WB

Good

Over: COMMUNITY BLVD

08-SBD-058-R31.95-BSW, San Bernardino, CA

Built 1997 Load: 32.4 t ADT: 6,750

STATE ROUTE 58 EB

Good

Over: COMMUNITY BLVD

08-SBD-058-R31.95-BSW, San Bernardino, CA

Built 2000 Load: 32.4 t ADT: 6,750

STATE ROUTE 58

Good

Over: AMBOS WASH

08-SBD-058-R11.89, San Bernardino, CA

Built 1992 Load: 32.4 t ADT: 14,400

STATE ROUTE 58

Good

Over: CHAU WASH

08-SBD-058-R17.81, San Bernardino, CA

Built 1992 Load: 32.4 t ADT: 14,400

STATE ROUTE 58

Good

Over: LAMOTTE WASH

08-SBD-058-R18.01, San Bernardino, CA

Built 1992 Load: 32.4 t ADT: 14,400

STATE ROUTE 58

Good

Over: OGATA WASH

08-SBD-058-R20.42, San Bernardino, CA

Built 1992 Load: 32.4 t ADT: 13,500

STATE HWY 71 NB

Good

Over: CHINO CREEK CHANNEL

08-SBD-071-R1.40-CHNH, San Bernardino, CA

Built 1997 Load: 32.4 t ADT: 51,000

STATE HWY 71 SB

Good

Over: CHINO CREEK CHANNEL

08-SBD-071-R1.40-CHNH, San Bernardino, CA

Built 1997 Load: 32.4 t ADT: 51,000

STATE ROUTE 210

Good

Over: LYTLE CREEK WASH

08-SBD-210-20.01-SBD, San Bernardino, CA

Built 2007 Load: 32.4 t ADT: 154,000

STATE HIGHWAY 71

Good

Over: LOS SERRANOS LAKE CHAN

08-SBD-071-R4.10-CHNH, San Bernardino, CA

Built 1986 Load: 32.4 t ADT: 75,000

Showing 22,251-22,300 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.