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%.

Condition Distribution

California45.2%48.3%GoodFairPoor
Bridge inventory deck-condition mix - California (FHWA NBI)

Counties (58)

Alameda 800 Alpine 32 Amador 62 Butte 441 Calaveras 106 Colusa 211 Contra Costa 686 Del Norte 96 El Dorado 196 Fresno 929 Glenn 242 Humboldt 398 Imperial 448 Inyo 67 Kern 686 Kings 168 Lake 129 Lassen 108 Los Angeles 3937 Madera 250 Marin 217 Mariposa 109 Mendocino 357 Merced 532 Modoc 87 Mono 49 Monterey 390 Napa 160 Nevada 135 Orange 1224 Placer 347 Plumas 170 Riverside 1142 Sacramento 775 San Benito 76 San Bernardino 1465 San Diego 1707 San Francisco 170 San Joaquin 666 San Luis Obispo 408 San Mateo 393 Santa Barbara 429 Santa Clara 1041 Santa Cruz 203 Shasta 500 Sierra 65 Siskiyou 423 Solano 383 Sonoma 613 Stanislaus 390 Sutter 120 Tehama 452 Trinity 194 Tulare 599 Tuolumne 128 Ventura 511 Yolo 282 Yuba 136

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.

SPRING CREEK RD

Poor

Over: FALL RIVER

0.5 MI N OF MCARTHUR RD, Shasta, CA

Built 1950 Load: 2.7 t ADT: 50

ORESTIMBA ROAD

Poor

Over: CCID MAIN CANAL

0.1 MI E DRAPER RD, Stanislaus, CA

Built 1919 Load: 2.9 t ADT: 684

CLARK STREET

Poor

Over: M.I.D. CANAL

0.1 MI WEST OF ROAD 26.0, Madera, CA

Built 1955 Load: 3.2 t ADT: 200

GULLING STREET

Poor

Over: MIDDLE FORK FEATHER RIV

0.2 MI S SH 70, Plumas, CA

Built 1954 Load: 3.2 t ADT: 10,046

AVENUE 10

Poor

Over: COTTONWOOD CREEK

JUST E/O ROAD 23, Madera, CA

Built 1950 Load: 3.6 t ADT: 50

S BISHOP AVE

Poor

Over: CRESCENT DITCH

0.64 MI S/O MT WHITNEY AV, Fresno, CA

Built 1950 Load: 3.9 t ADT: 125

All Bridges in California

STATE ROUTE 56-WB

Unknown

Over: OLD CARMEL VALLEY ROAD

11-SD-056-2.59-SD, San Diego, CA

Built 2004 ADT: 1

STATE ROUTE 56-EB

Unknown

Over: OLD CARMEL VALLEY ROAD

11-SD-056-2.59-SD, San Diego, CA

Built 2004 ADT: 1

CARMEL VALLEY RD

Unknown

Over: STATE ROUTE 56

11-SD-056-3.31-SD, San Diego, CA

Built 2004 ADT: 54,000

RANCHO SANTA FE FA

Unknown

Over: STATE ROUTE 56

11-SD-056-4.52-SD, San Diego, CA

Built 2004 ADT: 54,000

GILMAN DRIVE

Unknown

Over: INTERSTATE 5

11-SD-005-R28.70-SD, San Diego, CA

Built 2019 ADT: 161,000

SIEMPRE VIVA ROAD

Unknown

Over: INTERSTATE 905

11-SD-905-R11.60, San Diego, CA

Built 2008 ADT: 24,300

MTDB LRT & SDIV RR

Unknown

Over: INTERSTATE 8

11-SD-008-6.60-SD, San Diego, CA

Built 2006 ADT: 198,000

MTDB LRT & SDIV RR

Unknown

Over: INTERSTATE 8

11-SD-008-10.67, San Diego, CA

Built 2006 ADT: 175,000

STATE ROUTE 52 WB

Unknown

Over: MISSION GORGE ROAD

11-SD-052-14.93, San Diego, CA

Built 2011 ADT: 43,000

STATE ROUTE 52 EB

Unknown

Over: MISSION GORGE ROAD

11-SD-052-14.93, San Diego, CA

Built 2011 ADT: 43,000

W52-S125 CONNECTOR

Unknown

Over: STATE ROUTE 125

11-SD-052-15.06, San Diego, CA

Built 2011 ADT: 68,000

STATE ROUTE 52 WB

Unknown

Over: STATE ROUTE 125

11-SD-052-15.06, San Diego, CA

Built 2011 ADT: 68,000

STATE ROUTE 52 EB

Unknown

Over: STATE ROUTE 125

11-SD-052-15.06, San Diego, CA

Built 2011 ADT: 68,000

STATE ROUTE 52

Unknown

Over: FANITA DRIVE

11-SD-052-15.23, San Diego, CA

Built 2011 ADT: 16,000

N125-E52 CONNECTOR

Unknown

Over: FANITA DRIVE

11-SD-052-15.10-SNT, San Diego, CA

Built 2011 ADT: 3,500

STATE ROUTE 52

Unknown

Over: OLIVE LANE

11-SD-052-15.96, San Diego, CA

Built 2011 ADT: 4,000

DUENDA ROAD

Unknown

Over: INTERSTATE 15

11-SD-015-M24.39, San Diego, CA

Built 2008 ADT: 243,000

STATE ROUTE 52

Unknown

Over: CUYAMACA STREET

11-SD-052-16.28, San Diego, CA

Built 2011 ADT: 5,000

W52 ON-RAMP

Unknown

Over: CUYAMACA STREET

11-SD-052-16.28, San Diego, CA

Built 2011 ADT: 5,000

MCTD LRT & SDIV RR

Unknown

Over: STATE HIGHWAY 78

11-SD-078-13.27, San Diego, CA

Built 2008 ADT: 160,000

MCTD LRT & SDIV RR

Unknown

Over: STATE HIGHWAY 78

11-SD-078-14.26-SMCS, San Diego, CA

Built 2008 ADT: 158,000

RANCHOBERNARDO DAR

Unknown

Over: INTERSTATE 15

11-SD-015-M23.30-SD, San Diego, CA

Built 2008 ADT: 200,000

N125-E&W52 CONNCTR

Unknown

Over: PROSPECT AVENUE

11-SD-125-21.92-SNT, San Diego, CA

Built 1998 ADT: 5,390

INTERSTATE 15 SB

Unknown

Over: BERNARDO CENTER DR

11-SD-015-M22.94, San Diego, CA

Built 2008 ADT: 8,500

INTERSTATE 15 NB

Unknown

Over: BERNARDO CENTER DR

11-SD-015-M22.94-SD, San Diego, CA

Built 1966 ADT: 8,500

STATE ROUTE 52

Unknown

Over: COTTONWOOD AVENUE

11-SD-052-16.88, San Diego, CA

Built 2011 ADT: 8,000

E52-S67 CONNECTOR

Unknown

Over: MAGNOLIA AVENUE

11-SD-052-17.27-SNT, San Diego, CA

Built 2011 ADT: 33,000

E52-N67 CONNECTOR

Unknown

Over: MAGNOLIA AVE

11-SD-052-17.27, San Diego, CA

Built 2011 ADT: 31,500

N67-W52 CONNECTOR

Unknown

Over: SR-67, PROSPECT, MAGNOL

11-SD-067-R1.80-SNT, San Diego, CA

Built 2011 ADT: 38,200

S67-W52 CONNECTOR

Unknown

Over: MAGNOLIA & S67 ONRAMP

11-SD-067-R2.05-SNT, San Diego, CA

Built 2011 ADT: 32,300

CARMEL MOUNTAIN RD

Unknown

Over: INTERSTATE 15 W/HOV

11-SD-015-M20.57, San Diego, CA

Built 2007 ADT: 264,000

BERNARDOD\POMERADO

Unknown

Over: INTERSTATE 15 W/HOV

11-SD-015-M26.03, San Diego, CA

Built 2008 ADT: 243,000

STATE ROUTE 56

Unknown

Over: INTERSTATE 15

11-SD-056-8.96, San Diego, CA

Built 2007 ADT: 221,000

SABRE SPRINGS DAR

Unknown

Over: INTERSTATE 15

11-SD-015-M19.25-SD, San Diego, CA

Built 2008 ADT: 124,000

CALIENTE AVENUE

Unknown

Over: INTERSTATE 905

11-SD-905-R6.72, San Diego, CA

Built 2012 ADT: 32,500

ROUTE 905

Unknown

Over: HERITAGE ROAD

11-SD-905-R7.77, San Diego, CA

Built 2012 ADT: 1,000

BRITANNIA BLVD

Unknown

Over: INTERSTATE 905

11-SD-905-R8.70, San Diego, CA

Built 2011 ADT: 32,500

ROUTE 905

Unknown

Over: AIRWAY RD

11-SD-905-R10.90-OTM, San Diego, CA

Built 2022 ADT: 6,638

S125-W905

Unknown

Over: OTAY MESA RD

11-SD-125-0.80L, San Diego, CA

Built 2022 ADT: 1,200

S125-W905 CONN

Unknown

Over: W905 OFFRAMP AND SR11

11-SD-125-0.80L, San Diego, CA

Built 2022 ADT: 3,350

S125-905 CONNECTOR

Unknown

Over: W11, E11, SR 905

11-SD-125-0.69-OTM, San Diego, CA

Built 2022 ADT: 6,400

STATE ROUTE 54 WB

Unknown

Over: SWEETWATER RD & W54-S125

11-SD-054-6.00, San Diego, CA

Built 2007 ADT: 2,000

STATE ROUTE 54 EB

Unknown

Over: SWEETWATER RD & W54-S125

11-SD-054-6.00, San Diego, CA

Built 2007 ADT: 2,000

SAN MIGUEL RD

Unknown

Over: ROUTE 125

11-SD-125-6.93, San Diego, CA

Built 2008 ADT: 34,000

ROUTE 125 SB

Unknown

Over: SUMMIT MEADOW RD

11-SD-125-7.39, San Diego, CA

Built 2008 ADT: 1,200

ROUTE 125 NB

Unknown

Over: SUMMIT MEADOW RD

11-SD-125-7.39, San Diego, CA

Built 2008 ADT: 1,200

PEDESTRIAN WALKWAY

Unknown

Over: STATE ROUTE 125

11-SD-125-8.00, San Diego, CA

Built 2008 ADT: 2,350

NB 125-WB 54 CONN

Unknown

Over: SWEETWATER RD

11-SD-125-8.97L, San Diego, CA

Built 2008 ADT: 8,200

E54-S125 CONNECTOR

Unknown

Over: SWEETWATER ROAD

11-SD-054-6.10, San Diego, CA

Built 2008 ADT: 5,000

ROUTE 125 SB

Unknown

Over: OTAY LAKES ROAD

11-SD-125-4.04, San Diego, CA

Built 2007 ADT: 40,800

Showing 5,701-5,750 of 27,040 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
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.

Understanding Bridge Conditions

How FHWA rates bridge condition on a 0-9 scale.

Check Your Daily Bridges

How to look up bridge condition data for bridges on your route.

Read our methodology — how this data is sourced, computed, and verified.

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.