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

INTERSTATE 5

Unknown

Over: STATE COLLEGE BLVD

12-ORA-005-35.19-ANA, Orange, CA

Built 2000 ADT: 34,000

S5-STATE COL OFF-R

Unknown

Over: ORANGEWOOD AVE

12-ORA-005-35.42-ANA, Orange, CA

Built 2000 ADT: 4,640

INTERSTATE 5

Unknown

Over: ORANGEWOOD AVE

12-ORA-005-35.59-ANA, Orange, CA

Built 2000 ADT: 29,000

GENE AUTRY WAY

Unknown

Over: INTERSTATE 5 SB

12-ORA-005-35.92-ANA, Orange, CA

Built 2000 ADT: 267,000

HOV-GENE AUTRY WAY

Unknown

Over: INTERSTATE 5 NB

12-ORA-005-35.92-ANA, Orange, CA

Built 2000 ADT: 267,000

ANAHEIM-N5 ON-RAMP

Unknown

Over: N5-KATELLE OFF-RAMP

12-ORA-005-36.05-ANA, Orange, CA

Built 2000 ADT: 16,331

INTERSTATE 5

Unknown

Over: KATELLA AVENUE

12-ORA-005-36.15-ANA, Orange, CA

Built 2000 ADT: 31,000

S5-KATELLA OFF-RP

Unknown

Over: KATELLA AVENUE

12-ORA-005-36.15-ANA, Orange, CA

Built 2000 ADT: 31,000

S5-ORANGEWOOD AVE

Unknown

Over: KATELLA AVE

12-ORA-005-36.15-ANA, Orange, CA

Built 2000 ADT: 31,000

INTERSTATE 5

Unknown

Over: ANAHEIM BLVD

12-ORA-005-36.58-ANA, Orange, CA

Built 2000 ADT: 38,000

N5-N405 & S405-S5

Unknown

Over: INTERSTATE 5 SB

12-ORA-005-20.74-IRVN, Orange, CA

Built 1996 ADT: 282,000

MAGNOLIA AVE

Unknown

Over: INTERSTATE 5, RAMPS

12-ORA-005-41.50-ANA, Orange, CA

Built 2000 ADT: 10,342

N5-W91 CONNECTOR

Unknown

Over: UP RR,I 5,SR 91,MAGNOLIA

12-ORA-005-41.84R-ANA, Orange, CA

Built 2002 ADT: 274,000

S5-E91 CONNECTOR

Unknown

Over: UP RR,I 5,SR 91,MAGNOLIA

12-ORA-005-42.01L-ANA, Orange, CA

Built 2002 ADT: 44,000

W91-N5 CONNECTOR

Unknown

Over: MAGNOLIA AVE

12-ORA-091-R3.84L-ANA, Orange, CA

Built 2000 ADT: 40,000

W91-N5 HOV CONN

Unknown

Over: INTERSTATE 5 NB

12-ORA-091-R3.64L-ANA, Orange, CA

Built 2000 ADT: 168,000

STATE ROUTE 91 EB

Unknown

Over: INTERSTATE 5

12-ORA-091-R3.75R-ANA, Orange, CA

Built 2000 ADT: 168,000

91-5 HOV CONN

Unknown

Over: INTERSTATE 5

12-ORA-091-R3.56L-ANA, Orange, CA

Built 2000 ADT: 168,000

ORANGETHORPE AVE

Unknown

Over: INTERSTATE 5, UP RR

12-ORA-005-42.54-BPK, Orange, CA

Built 2003 ADT: 241,000

WEST ST-N5 ON RAMP

Unknown

Over: INTERSTATE 5

12-ORA-005-38.15-ANA, Orange, CA

Built 2000 ADT: 276,300

EUCLID-S5 ON-RAMP

Unknown

Over: INTERSTATE 5

12-ORA-005-39.31-ANA, Orange, CA

Built 2000 ADT: 265,400

EUCLID STREET

Unknown

Over: INTERSTATE 5 & UP RR

12-ORA-005-39.51-ANA, Orange, CA

Built 2000 ADT: 265,400

S5-EUCLID STREET

Unknown

Over: INTERSTATE 5

12-ORA-005-39.56-ANA, Orange, CA

Built 2000 ADT: 265,400

BROADWAY

Unknown

Over: INTERSTATE 5

12-ORA-005-38.66-ANA, Orange, CA

Built 2000 ADT: 265,400

LINCOLN AVE

Unknown

Over: INTERSTATE 5

12-ORA-005-39.00-ANA, Orange, CA

Built 2000 ADT: 265,400

SPRR

Unknown

Over: INTERSTATE 5

12-ORA-005-38.50-ANA, Orange, CA

Built 2000 ADT: 285,000

S5-BALL RD OFF-RP

Unknown

Over: INTERSTATE 5 SB

12-ORA-005-38.06-ANA, Orange, CA

Built 2000 ADT: 138,150

E91-N57&S57-W91HOV

Unknown

Over: SR 57, 91 & LOCAL STRTS

12-ORA-091-5.60-FUL, Orange, CA

Built 2000 ADT: 10,000

STATE ROUTE 91

Unknown

Over: STATE COLLEGE BLVD

12-ORA-091-5.26-ANA, Orange, CA

Built 1999 ADT: 30,000

PLACENTIA AVE

Unknown

Over: STATE ROUTE 91

12-ORA-091-5.53-ANA, Orange, CA

Built 1999 ADT: 259,000

SUNKIST ST

Unknown

Over: STATE ROUTE 91

12-ORA-091-5.89-ANA, Orange, CA

Built 1999 ADT: 291,000

MIRALOMA AVE

Unknown

Over: STATE ROUTE 57

12-ORA-057-15.90-ANA, Orange, CA

Built 1998 ADT: 38,510

LA JOLLA ST

Unknown

Over: STATE ROUTE 57

12-ORA-057-16.13-ANA, Orange, CA

Built 1998 ADT: 273,000

HARBOR BLVD

Unknown

Over: STATE ROUTE 91

12-ORA-091-3.26-ANA, Orange, CA

Built 2000 ADT: 330,000

LEMON STREET

Unknown

Over: STATE ROUTE 91

12-ORA-091-3.51-ANA, Orange, CA

Built 1999 ADT: 330,000

HARBOR BLVD

Unknown

Over: INTERSTATE 5

12-ORA-005-37.40-ANA, Orange, CA

Built 2000 ADT: 264,800

SANTA ANA STREET

Unknown

Over: INTERSTATE 5

12-ORA-005-38.48-ANA, Orange, CA

Built 2000 ADT: 276,300

17TH STREET

Unknown

Over: STATE ROUTE 55

12-ORA-055-11.80-TUS, Orange, CA

Built 1997 ADT: 227,000

SANTA CLARA AVE

Unknown

Over: STATE ROUTE 55

12-ORA-055-12.30-TUS, Orange, CA

Built 1997 ADT: 227,000

FAIRHAVEN AVENUE

Unknown

Over: STATE ROUTE 55

12-ORA-055-12.71-TUS, Orange, CA

Built 1997 ADT: 271,000

WALNUT AVENUE

Unknown

Over: STATE ROUTE 261

12-ORA-261-0.01-IRVN, Orange, CA

Built 1998 ADT: 64,000

JAMBOREE-S261 ONRP

Unknown

Over: S261-WALNUT AVE OFF-RAMP

12-ORA-261-0.25-IRVN, Orange, CA

Built 1997 ADT: 1,800

JAMBOREE ROAD (NB)

Unknown

Over: STATE ROUTE 261

12-ORA-261-0.25-IRVN, Orange, CA

Built 1997 ADT: 31,000

LA PALMA AVE

Unknown

Over: INTERSTATE 5,RAMPS,UP RR

12-ORA-005-40.93-ANA, Orange, CA

Built 2002 ADT: 259,800

N5-BRKHURST OFF-RA

Unknown

Over: INTERSTATE 5, RAMP

12-ORA-005-40.55-ANA, Orange, CA

Built 2002 ADT: 259,800

BROOKHURST STREET

Unknown

Over: INTERSTATE 5, RAMP

12-ORA-005-40.72-ANA, Orange, CA

Built 2002 ADT: 259,800

LINCOLN -N55 ON RA

Unknown

Over: LINCOLN AVE

12-ORA-055-17.00-ORA, Orange, CA

Built 2002 ADT: 18,000

MEATS AVE

Unknown

Over: STATE ROUTE 55

12-ORA-055-16.10-ORA, Orange, CA

Built 2002 ADT: 211,600

COLLINS AVE

Unknown

Over: STATE ROUTE 55

12-ORA-055-14.73-ORA, Orange, CA

Built 2002 ADT: 242,000

KATELLA-N55 ON RA

Unknown

Over: KATELLA AVE

12-ORA-055-15.20-ORA, Orange, CA

Built 2002 ADT: 22,000

Showing 3,851-3,900 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.