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

INTERSTATE 8

Unknown

Over: LA MESA BLVD

11-SD-008-12.12-LMSA, San Diego, CA

Built 1989 ADT: 14,300

N125-W8 CONNECTOR

Unknown

Over: LA MESA BL & W8-LA MESA

11-SD-125-R15.43-LMSA, San Diego, CA

Built 1989 ADT: 4,600

E8-SEVERIN DR OFF

Unknown

Over: LA MESA BLVD

11-SD-008-12.12-LMSA, San Diego, CA

Built 1989 ADT: 14,300

N125-E8 CONNECTOR

Unknown

Over: E8-SEVERIN OFF & LA MESA

11-SD-125-R15.46-LMSA, San Diego, CA

Built 1990 ADT: 24,480

SEVERIN DR

Unknown

Over: INTERSTATE 8

11-SD-008-12.65-LMSA, San Diego, CA

Built 1989 ADT: 245,000

E8-EL CAJON BL OFF

Unknown

Over: CHASE AVE

11-SD-008-13.77-ECJ, San Diego, CA

Built 1986 ADT: 16,800

N163-N15 CONN HOV

Unknown

Over: N163-N15 CONNECTOR

11-SD-163-R11.32, San Diego, CA

Built 1986 ADT: 70,000

S15 &S163 CON SEP

Unknown

Over: RTE 15-SB & RTE 163-SB

11-SD-015-M11.97-SD, San Diego, CA

Built 1986 ADT: 74,500

W52-S163 CONNECTOR

Unknown

Over: SR 52,SR 163,15-W52 CONN

11-SD-052-6.81-SD, San Diego, CA

Built 1988 ADT: 157,000

N163-E52 CONNECTOR

Unknown

Over: E52 TO I-15 RAMP

11-SD-163-9.12, San Diego, CA

Built 1988 ADT: 21,500

KEARNY VILLA-E52

Unknown

Over: E52-N&S15 CONNECTOR RAMP

11-SD-052-6.99-SD, San Diego, CA

Built 1988 ADT: 30,500

STATE ROUTE 52 WB

Unknown

Over: INTERSTATE 15, RAMPS

11-SD-052-7.33-SD, San Diego, CA

Built 1988 ADT: 16,500

STATE ROUTE 52 EB

Unknown

Over: INTERSTATE 15, RAMPS

11-SD-052-7.33-SD, San Diego, CA

Built 1988 ADT: 16,500

E52-N15 CONNECTOR

Unknown

Over: S15-E52, 15, 52, N15-W52

11-SD-052-7.24-SD, San Diego, CA

Built 1988 ADT: 102,000

GROSSMONT BL-N125

Unknown

Over: N125-E8 CONNECTOR RAMP

11-SD-125-R15.21-LMSA, San Diego, CA

Built 1993 ADT: 64,000

S125-E8 CONNECTOR

Unknown

Over: I 8, CONN, RAMPS

11-SD-125-R15.38-LMSA, San Diego, CA

Built 1993 ADT: 5,000

S125-E&W8 CONNECTR

Unknown

Over: MURRAY DRIVE

11-SD-125-R15.56-LMSA, San Diego, CA

Built 1993 ADT: 16,300

STATE ROUTE 125

Unknown

Over: MURRAY DRIVE

11-SD-125-R15.56-LMSA, San Diego, CA

Built 1993 ADT: 16,300

STATE ROUTE 125

Unknown

Over: MURRAY DRIVE

11-SD-125-R15.56-LMSA, San Diego, CA

Built 1990 ADT: 16,300

STATE ROUTE 125 SB

Unknown

Over: FLETCHER PKWY & LRT

11-SD-125-18.42-LMSA, San Diego, CA

Built 2001 ADT: 40,424

ROUTE 125 NB

Unknown

Over: FLETCHER PKWY & LRT

11-SD-125-18.42-LMSA, San Diego, CA

Built 1993 ADT: 40,424

E8-N125 CONNECTOR

Unknown

Over: I 8 & SR 125, & CONNS

11-SD-008-11.96-LMSA, San Diego, CA

Built 1993 ADT: 47,000

W8-N125 CONNECTOR

Unknown

Over: N125-W8 & SEVERIN DR-W8

11-SD-008-12.40-LMSA, San Diego, CA

Built 1992 ADT: 14,500

S125-W8 CONNECTOR

Unknown

Over: GROSSMONT CENTER DRIVE

11-SD-125-R15.47-LMSA, San Diego, CA

Built 1993 ADT: 15,900

COOK OVERCROSSING

Unknown

Over: ROUTE 5

11-SD-005-R58.53-OCN, San Diego, CA

Built 1988 ADT: 132,000

E94-HOME AV OFFRMP

Unknown

Over: I 15, N15-E92, CHOLLAS

11-SD-094-3.13-SD, San Diego, CA

Built 1990 ADT: 121,000

STATE ROUTE 163

Unknown

Over: SAN DIEGO RI,W8-N163,CAM

11-SD-163-3.94-SD, San Diego, CA

Built 1989 ADT: 13,440

STATE ROUTE 52 WB

Unknown

Over: MAST BL, SAN DIEGO RIVER

11-SD-052-13.80-SNT, San Diego, CA

Built 1993 ADT: 10,700

STATE ROUTE 52 EB

Unknown

Over: MAST BL, SAN DIEGO RIVER

11-SD-052-13.80-SNT, San Diego, CA

Built 1993 ADT: 10,700

WAKARUSA STREET

Unknown

Over: ROUTE 125

11-SD-125-18.33-LMSA, San Diego, CA

Built 1992 ADT: 39,000

W8-S163 CONNECTOR

Unknown

Over: I 8 & SR 163, & CONNS

11-SD-008-2.36-SD, San Diego, CA

Built 1991 ADT: 200,000

E&W8-N125 CONNECT

Unknown

Over: N125-W8 CONN & MURRAY DR

11-SD-008-12.30-LMSA, San Diego, CA

Built 1992 ADT: 14,500

W56-S5 CONN RAMP

Unknown

Over: I 5, SORRENTO VLY,CARMEL

11-SD-056-0.01-SD, San Diego, CA

Built 1998 ADT: 6,350

N5-E56 CONNECTOR

Unknown

Over: CARMEL VALLEY RD EB

11-SD-005-R32.87-SD, San Diego, CA

Built 1998 ADT: 6,350

CARMEL MTN-N5 ON

Unknown

Over: CARMEL VALLEY RD

11-SD-005-R32.88-SD, San Diego, CA

Built 1998 ADT: 12,700

WIGHTMAN ST

Unknown

Over: INTERSTATE 15 & RAMPS

11-SD-015-M4.53-SD, San Diego, CA

Built 1995 ADT: 170,000

UNIVERSITY AVE

Unknown

Over: INTERSTATE 15

11-SD-015-M4.66-SD, San Diego, CA

Built 1999 ADT: 170,000

ORANGE AVENUE

Unknown

Over: INTERSTATE 15

11-SD-015-M4.91-SD, San Diego, CA

Built 2001 ADT: 170,000

EL CAJON BLVD

Unknown

Over: INTERSTATE 15

11-SD-015-M5.04-SD, San Diego, CA

Built 1999 ADT: 185,000

MEADE AVE

Unknown

Over: INTERSTATE 15

11-SD-015-M5.17-SD, San Diego, CA

Built 1999 ADT: 185,000

SANTO ROAD

Unknown

Over: STATE ROUTE 52

11-SD-052-8.70-SD, San Diego, CA

Built 1993 ADT: 102,000

REO DRIVE

Unknown

Over: ROUTE 54

11-SD-054-3.00-NATC, San Diego, CA

Built 1993 ADT: 124,000

WOODMAN STREET

Unknown

Over: ROUTE 54

11-SD-054-4.21-NATC, San Diego, CA

Built 1996 ADT: 115,000

BRIARWOOD ROAD

Unknown

Over: STATE ROUTE 54

11-SD-054-5.00-NATC, San Diego, CA

Built 1996 ADT: 100,000

STATE ROUTE 56 WB

Unknown

Over: EL CAMINO REAL

11-SD-056-0.33-SD, San Diego, CA

Built 1998 ADT: 22,350

STATE ROUTE 56 EB

Unknown

Over: EL CAMINO REAL

11-SD-056-0.33-SD, San Diego, CA

Built 1998 ADT: 22,350

CARMEL CREEK RD

Unknown

Over: STATE ROUTE 56

11-SD-056-0.82-SD, San Diego, CA

Built 1994 ADT: 44,500

CARMEL COUNTRY RD

Unknown

Over: STATE ROUTE 56

11-SD-056-1.81-SD, San Diego, CA

Built 1994 ADT: 44,500

BLACK MOUNTAIN RD

Unknown

Over: STATE ROUTE 56

11-SD-056-6.90-SD, San Diego, CA

Built 2004 ADT: 54,000

SALMON RIVER ROAD

Unknown

Over: STATE ROUTE 56

11-SD-056-7.30-SD, San Diego, CA

Built 1993 ADT: 34,000

Showing 5,601-5,650 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.