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

STATE ROUTE 99

Good

Over: FRESNO RIVER

06-MAD-099-11.65-MAD, Madera, CA

Built 1989 Load: 32.4 t ADT: 68,000

STATE ROUTE 99

Good

Over: SR 99

06-MAD-099-R14.60, Madera, CA

Built 1973 Load: 32.4 t ADT: 65,000

STATE ROUTE 145

Good

Over: SAN JOAQUIN RIVER

06-MAD-145-R0.01, Madera, CA

Built 2005 Load: 32.4 t ADT: 6,300

STATE ROUTE 145

Good

Over: COTTONWOOD CREEK

06-MAD-145-5.39, Madera, CA

Built 2009 Load: 32.4 t ADT: 5,800

ONRAMP

Good

Over: SR 99

06-MAD-099-R7.28, Madera, CA

Built 2016 Load: 32.4 t ADT: 1,650

CLEVELAND AVE

Good

Over: FRESNO RIVER

0.1 MI W OF SH145, Madera, CA

Built 1988 Load: 32.4 t ADT: 22,326

ROAD 225

Good

Over: SOUTH FORK WILLOW CREEK

0.3 MI E OF ROAD 274, Madera, CA

Built 1951 Load: 32.4 t ADT: 2,200

AVENUE 7

Good

Over: CHOWCHILLA CANAL BYPASS

1.5 MI E OF AVE 7.5, Madera, CA

Built 1990 Load: 32.4 t ADT: 1,500

AVENUE 17.5

Good

Over: BERENDA CREEK

0.1 MI E OF CR 16.5, Madera, CA

Built 1987 Load: 32.4 t ADT: 50

AVENUE 20

Good

Over: BERENDA SLOUGH

0.3 KM W OF CR 14, Madera, CA

Built 1994 Load: 32.4 t ADT: 395

CR 13

Good

Over: CHOWCHILLA RIVER

0.5 MI NORTH OF AVE 26.5, Madera, CA

Built 1995 Load: 32.4 t ADT: 1,800

ROAD 23

Good

Over: COTTONWOOD CREEK

S/O AVENUE 10, Madera, CA

Built 1995 Load: 32.4 t ADT: 700

COUNTY ROAD 8

Good

Over: CHOWCHILLA RIVER

0.4 MI N/O AVENUE 25, Madera, CA

Built 1995 Load: 32.4 t ADT: 275

HENSLEY RD(RD 407)

Good

Over: WILLOW CREEK

1.3 MILE SE RAYMOND RD, Madera, CA

Built 1998 Load: 32.4 t ADT: 110

COUNTY ROAD 19

Good

Over: CHOWCHILLA RIVER

1.8 MI. NORTH OF AVE. 26, Madera, CA

Built 1998 Load: 32.4 t ADT: 225

SCHNOOR AVENUE

Good

Over: FRESNO RIVER

0.5 MI N OF SUNSET AVE, Madera, CA

Built 1993 Load: 32.4 t ADT: 13,655

C R 13

Good

Over: BERENDA SLOUGH

AT AVENUE 19, Madera, CA

Built 2005 Load: 32.4 t ADT: 366

RD 425B

Good

Over: CHINA CREEK

AT CRANE VALLEY RD, Madera, CA

Built 2014 Load: 32.4 t ADT: 3,000

AVENUE 12

Good

Over: UP RR, COTTONWOOD CREEK

0.04 MI E/O SR 99, Madera, CA

Built 2015 Load: 32.4 t ADT: 2,000

ROAD 29

Good

Over: COTTONWOOD CREEK

0.19 MI N/O AVE 12, Madera, CA

Built 2015 Load: 32.4 t ADT: 615

ROAD 29

Good

Over: COTTONWOOD CREEK

0.27 MI S/O AVE 12, Madera, CA

Built 2015 Load: 32.4 t ADT: 615

CR 600(RAYMOND RD)

Good

Over: MADERA CANAL

3.9 MI NE OF AVE 21, Madera, CA

Built 2016 Load: 32.4 t ADT: 1,700

ROAD 23

Good

Over: DRY CREEK

0.1 MILE N OF AVE 18, Madera, CA

Built 2021 Load: 32.4 t ADT: 2,263

AVENUE 8

Good

Over: FUTURE HIGH SPEED TRAIN

0.7 M WEST OF ROAD 33, Madera, CA

Built 2019 Load: 32.4 t ADT: 1,000

AVENUE 11

Good

Over: FUTURE HIGH SPEED TRAIN

0.9 M WEST OF ROAD 32, Madera, CA

Built 2019 Load: 32.4 t ADT: 1,000

AVENUE 7

Good

Over: FUTURE HIGH SPEED TRAIN

0.1 M WEST OF ROAD 33, Madera, CA

Built 2020 Load: 32.4 t ADT: 1,000

AVENUE 10

Good

Over: FUTURE HIGH SPEED TRAIN

0.7 M WEST OF ROAD 33, Madera, CA

Built 2020 Load: 32.4 t ADT: 1,000

AVENUE 12

Good

Over: FUTURE RD & TRACKS(CHSR)

2.2 MI EAST OF RTE 99, Madera, CA

Built 2021 Load: 32.4 t ADT: 1,000

AVENUE 15

Good

Over: FUTURE HIGH SPEED TRAIN

0.9 M WEST OF ROAD 33, Madera, CA

Built 2020 Load: 32.4 t ADT: 1,000

ROAD 27 (LAKE ST)

Good

Over: RAILROAD (CHSR, BNSF)

NORTH OF AVENUE 17, Madera, CA

Built 2021 Load: 32.4 t ADT: 1,000

AVENUE 12

Good

Over: RAILROAD TRACKS (BNSF)

2.6 MI EAST OF RTE 99, Madera, CA

Built 2021 Load: 32.4 t ADT: 1,000

AVENUE 15 1/5

Good

Over: FUTURE HIGH SPEED RAIL

NEAR INTERSECT OF ROAD 29, Madera, CA

Built 2022 Load: 32.4 t ADT: 1,000

U.S. HIGHWAY 101

Good

Over: NWP RR / SMART

04-MRN-101-13.25-SRF, Marin, CA

Built 1957 Load: 32.4 t ADT: 167,000

STATE ROUTE 1

Good

Over: WALKER CREEK

04-MRN-001-44.45, Marin, CA

Built 1982 Load: 32.4 t ADT: 5,900

STATE ROUTE 1

Good

Over: STEMPLE CREEK

04-MRN-001-47.41, Marin, CA

Built 1982 Load: 32.4 t ADT: 5,900

STATE ROUTE 1

Good

Over: FALLON CREEK

04-MRN-001-47.60, Marin, CA

Built 2001 Load: 32.4 t ADT: 5,900

U.S. HIGHWAY 101

Good

Over: FRANKLIN AV & NWP RR

04-MRN-101-R20.88-NVTO, Marin, CA

Built 1974 Load: 32.4 t ADT: 61,500

ROUTE 101 SB

Good

Over: RUSH LANDING RD & NWP RR

04-MRN-101-R22.24-NVTO, Marin, CA

Built 1974 Load: 32.4 t ADT: 61,500

U.S. HIGHWAY 101

Good

Over: RUSH CREEK (S BRANCH)

04-MRN-101-R22.04-NVTO, Marin, CA

Built 1974 Load: 32.4 t ADT: 123,000

U.S. HIGHWAY 101

Good

Over: RUSH CREEK (N BRANCH)

04-MRN-101-R22.13-NVTO, Marin, CA

Built 1974 Load: 32.4 t ADT: 123,000

U.S. HIGHWAY 101

Good

Over: SAN ANTONIO CREEK

04-MRN-101-27.53, Marin, CA

Built 2019 Load: 32.4 t ADT: 96,600

STATE ROUTE 1

Good

Over: OLEMA CREEK TRIBUTARY

04-MRN-001-24.67, Marin, CA

Built 2018 Load: 32.4 t ADT: 3,650

STATE ROUTE 1

Good

Over: AMERICANO CREEK

04-MRN-001-50.44, Marin, CA

Built 2018 Load: 32.4 t ADT: 1,200

STATE ROUTE 1

Good

Over: GIACOMINI GULCH

04-MRN-001-22.78, Marin, CA

Built 2018 Load: 32.4 t ADT: 3,650

101N OFFRAMP 2 ST

Good

Over: SAN RAFAEL CREEK

04-MRN-101-10.79-SRF, Marin, CA

Built 2022 Load: 32.4 t ADT: 22,800

TOMALES PETALUMA R

Good

Over: KEYES CREEK

0.1 MI EAST OF SR 1, Marin, CA

Built 1977 Load: 32.4 t ADT: 1,200

IGNACIO BLVD

Good

Over: NCRRA\NWP RR

EAST OF US 101, Marin, CA

Built 1984 Load: 32.4 t ADT: 25,546

MEADWOOD DR

Good

Over: BRANCH CORTE MADERA CRK

IN LARKSPUR, Marin, CA

Built 1974 Load: 32.4 t ADT: 3,000

CALETA AVE

Good

Over: SLEEPY HOLLOW CREEK

200 FT E BUTTERFIELD RD, Marin, CA

Built 1989 Load: 32.4 t ADT: 500

MUIR WOODS RD

Good

Over: REDWOOD CREEK

0.7 MI N OF SR 1, Marin, CA

Built 1958 Load: 32.4 t ADT: 2,187

Showing 21,201-21,250 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.