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

E94-N15 CONNECTOR

Unknown

Over: INTERSTATE 15

11-SD-094-3.16-SD, San Diego, CA

Built 1959 ADT: 121,000

E94-N15 CONNECTOR

Unknown

Over: STATE ROUTE 94 WB

11-SD-094-3.25-SD, San Diego, CA

Built 1959 ADT: 152,000

PALOMAR STREET

Unknown

Over: INTERSTATE 5

11-SD-005-6.06-CHV, San Diego, CA

Built 1973 ADT: 145,000

INTERSTATE 8

Unknown

Over: HOTEL CIRCLE DRIVE

11-SD-008-2.23-SD, San Diego, CA

Built 1959 ADT: 18,560

E8-S163 CONNECTOR

Unknown

Over: HOTEL CIRCLE DRIVE

11-SD-008-2.23-SD, San Diego, CA

Built 1959 ADT: 12,000

INTERSTATE 8

Unknown

Over: STATE ROUTE 163

11-SD-008-2.41-SD, San Diego, CA

Built 1959 ADT: 167,000

INTERSTATE 8

Unknown

Over: E8-N163 CONNECTOR RAMP

11-SD-008-2.56-SD, San Diego, CA

Built 1959 ADT: 28,600

W8-HOTEL CIRCLE DR

Unknown

Over: E8-N163 CONNECTOR RAMP

11-SD-008-2.56-SD, San Diego, CA

Built 1991 ADT: 28,600

E8-MISSION CENTER

Unknown

Over: E8-N163 & N163-E8 RAMPS

11-SD-008-2.56-SD, San Diego, CA

Built 1978 ADT: 30,500

STATE ROUTE 94

Unknown

Over: 28TH STREET

11-SD-094-2.21-SD, San Diego, CA

Built 1959 ADT: 19,600

30TH STREET

Unknown

Over: STATE ROUTE 94

11-SD-094-2.46-SD, San Diego, CA

Built 1959 ADT: 109,000

STATE ROUTE 94

Unknown

Over: 32ND STREET\BROADWAY

11-SD-094-2.68-SD, San Diego, CA

Built 1959 ADT: 17,000

INTERSTATE 8

Unknown

Over: MTDB LRT & SDIV RR

11-SD-008-13.66-ECJ, San Diego, CA

Built 1961 ADT: 29,400

INTERSTATE 8

Unknown

Over: MAIN STREET

11-SD-008-14.59-ECJ, San Diego, CA

Built 1961 ADT: 27,200

INTERSTATE 8

Unknown

Over: JOHNSON AVE

11-SD-008-15.30-ECJ, San Diego, CA

Built 1961 ADT: 14,800

INTERSTATE 8

Unknown

Over: STATE ROUTE 67

11-SD-008-15.80-ECJ, San Diego, CA

Built 1961 ADT: 44,500

W8-S67&N67-W8 RMPS

Unknown

Over: ST RTE 67 & CONNECTORS

11-SD-008-15.80-ECJ, San Diego, CA

Built 1961 ADT: 35,500

E8-N67&S67-E8 RMPS

Unknown

Over: ST RTE 67 & CONNECTORS

11-SD-008-15.80-ECJ, San Diego, CA

Built 1961 ADT: 35,500

INTERSTATE 8

Unknown

Over: BALLANTYNE LANE

11-SD-008-16.05-ECJ, San Diego, CA

Built 1961 ADT: 22,100

W8-N&S67 CONNECTOR

Unknown

Over: BALLANTYNE LANE

11-SD-008-16.05-ECJ, San Diego, CA

Built 1961 ADT: 22,100

COLLEGE AVE

Unknown

Over: INTERSTATE 8

11-SD-008-8.34-SD, San Diego, CA

Built 1960 ADT: 231,000

CLAREMONT MESA WB

Unknown

Over: ROUTE 163 & RAMPS

11-SD-163-8.81-SD, San Diego, CA

Built 1958 ADT: 6,700

INTERSTATE 8

Unknown

Over: MTDB LRT,SDIV & MARSHALL

11-SD-008-14.95-ECJ, San Diego, CA

Built 1961 ADT: 4,080

INTERSTATE 8 EB

Unknown

Over: WARING ROAD

11-SD-008-7.06-SD, San Diego, CA

Built 1960 ADT: 20,932

INTERSTATE 15 SB

Unknown

Over: ROUTE 8

11-SD-015-R6.10-SD, San Diego, CA

Built 1960 ADT: 246,000

INTERSTATE 15 NB

Unknown

Over: ROUTE 8

11-SD-015-R6.10-SD, San Diego, CA

Built 1960 ADT: 17,000

TEXAS STREET

Unknown

Over: INTERSTATE 8

11-SD-008-3.90-SD, San Diego, CA

Built 1983 ADT: 219,000

25TH STREET

Unknown

Over: STATE ROUTE 94

11-SD-094-1.85-SD, San Diego, CA

Built 1959 ADT: 109,000

PRESIDIO PARK DR

Unknown

Over: INTERSTATE 8

11-SD-008-0.95-SD, San Diego, CA

Built 1959 ADT: 201,000

INTERSTATE 8

Unknown

Over: MOLLISON AVE

11-SD-008-16.47-ECJ, San Diego, CA

Built 1961 ADT: 20,700

INTERSTATE 8

Unknown

Over: FIRST STREET

11-SD-008-16.84-ECJ, San Diego, CA

Built 1961 ADT: 12,300

INTERSTATE 8 WB

Unknown

Over: 2ND STREET

11-SD-008-17.35-ECJ, San Diego, CA

Built 1961 ADT: 27,000

INTERSTATE 8 EB

Unknown

Over: 2ND STREET

11-SD-008-17.35-ECJ, San Diego, CA

Built 1961 ADT: 27,000

INTERSTATE 8 WB

Unknown

Over: EAST MAIN STREET

11-SD-008-17.83-ECJ, San Diego, CA

Built 1961 ADT: 27,400

INTERSTATE 8 EB

Unknown

Over: EAST MAIN STREET

11-SD-008-17.83-ECJ, San Diego, CA

Built 1961 ADT: 27,400

STATE ROUTE 78

Unknown

Over: SMILAX DRIVE

11-SD-078-9.85, San Diego, CA

Built 1994 ADT: 3,160

RANCHO SANTA FE RD

Unknown

Over: STATE ROUTE 78

11-SD-078-10.61, San Diego, CA

Built 1962 ADT: 136,000

STATE ROUTE 78

Unknown

Over: LAS POSAS RD

11-SD-078-11.18-SMCS, San Diego, CA

Built 1994 ADT: 8,040

E78-GRAND AVE OFF

Unknown

Over: LAS POSAS ROAD

11-SD-078-11.18-SMCS, San Diego, CA

Built 2006 ADT: 8,040

S5-10TH AV OFF RAM

Unknown

Over: ROUTE 163 SB

11-SD-005-R16.11-SD, San Diego, CA

Built 1962 ADT: 9,250

STATE ROUTE 78

Unknown

Over: SAN MARCOS BLVD

11-SD-078-12.13-SMCS, San Diego, CA

Built 1994 ADT: 41,256

STATE ROUTE 78

Unknown

Over: WOODLAND PARKWAY

11-SD-078-14.24-SMCS, San Diego, CA

Built 1962 ADT: 1,600

INTERSTATE 5

Unknown

Over: RTE 163, CONNECTORS

11-SD-005-R16.02-SD, San Diego, CA

Built 1961 ADT: 18,500

N163-N5 CONNECTOR

Unknown

Over: SR 163 & S5-N163 CONN

11-SD-163-0.88-SD, San Diego, CA

Built 1962 ADT: 107,000

S163-S5 CONNECTOR

Unknown

Over: SR 163 & S5-N163 CONN

11-SD-163-0.90-SD, San Diego, CA

Built 1962 ADT: 7,000

S5-N163 CONNECTOR

Unknown

Over: SR 163

11-SD-005-R16.05-SD, San Diego, CA

Built 1962 ADT: 42,500

5TH AV-S5 ON-RAMP

Unknown

Over: S5-10TH AV OFF-RAMP

11-SD-005-R16.18-SD, San Diego, CA

Built 1961 ADT: 17,700

N5-6TH AV OFF RAMP

Unknown

Over: N&S163-N5 CONN RAMPS

11-SD-005-R16.17-SD, San Diego, CA

Built 1961 ADT: 20,300

STATE ROUTE 78

Unknown

Over: MELROSE DR

11-SD-078-5.94-VSTA, San Diego, CA

Built 1994 ADT: 25,050

CIVIC CENTER DRIVE

Unknown

Over: STATE ROUTE 78

11-SD-078-6.94-VSTA, San Diego, CA

Built 1962 ADT: 9,100

Showing 5,101-5,150 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.