Total Bridges
27,040
Public highway bridges in California
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
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
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
NJ
New Jersey
4.59% top marginal rate
CA
California
4.60% top marginal rate
AR
Arkansas
4.71% top marginal rate
WA
Washington
4.81% top marginal rate
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
PoorOver: FALL RIVER
0.5 MI N OF MCARTHUR RD, Shasta, CA
Built 1950 Load: 2.7 t ADT: 50
ORESTIMBA ROAD
PoorOver: CCID MAIN CANAL
0.1 MI E DRAPER RD, Stanislaus, CA
Built 1919 Load: 2.9 t ADT: 684
CLARK STREET
PoorOver: M.I.D. CANAL
0.1 MI WEST OF ROAD 26.0, Madera, CA
Built 1955 Load: 3.2 t ADT: 200
GULLING STREET
PoorOver: MIDDLE FORK FEATHER RIV
0.2 MI S SH 70, Plumas, CA
Built 1954 Load: 3.2 t ADT: 10,046
AVENUE 10
PoorOver: COTTONWOOD CREEK
JUST E/O ROAD 23, Madera, CA
Built 1950 Load: 3.6 t ADT: 50
S BISHOP AVE
PoorOver: 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 83
UnknownOver: STATE ROUTE 71
08-SBD-083-R0.20-CHNH, San Bernardino, CA
Built 1997 ADT: 62,000
W210-N15 CONNECTOR
UnknownOver: CHERRY AVENUE
08-SBD-210-11.91-FNA, San Bernardino, CA
Built 2000 ADT: 5,500
W210-S15 CONNECTOR
UnknownOver: CHERRY AVENUE
08-SBD-210-11.91-FNA, San Bernardino, CA
Built 2000 ADT: 5,500
NS15-E210 CONNECT
UnknownOver: CHERRY AVEUNE
08-SBD-015-8.50-FNA, San Bernardino, CA
Built 2001 ADT: 9,800
STATE ROUTE 210
UnknownOver: SAN SEVAINE ROAD
08-SBD-210-12.41-FNA, San Bernardino, CA
Built 2000 ADT: 200
STATE ROUTE 210 WB
UnknownOver: BEECH AVENUE
08-SBD-210-12.91-FNA, San Bernardino, CA
Built 2000 ADT: 5,001
STATE ROUTE 210 EB
UnknownOver: BEECH AVENUE
08-SBD-210-12.91-FNA, San Bernardino, CA
Built 2000 ADT: 5,001
BENSON AVENUE
UnknownOver: STATE ROUTE 210
08-SBD-210-0.85-UPL, San Bernardino, CA
Built 2001 ADT: 178,000
MOUNTAIN AVENUE
UnknownOver: STATE ROUTE 210
08-SBD-210-1.50-UPL, San Bernardino, CA
Built 2001 ADT: 178,000
SAN ANTONIO AVENUE
UnknownOver: STATE ROUTE 210
08-SBD-210-2.04-UPL, San Bernardino, CA
Built 1998 ADT: 181,000
EUCLID AVENUE
UnknownOver: STATE ROUTE 210
08-SBD-210-2.59-UPL, San Bernardino, CA
Built 1999 ADT: 181,000
STATE ROUTE 210 WB
UnknownOver: CAMPUS AVENUE
08-SBD-210-3.47-UPL, San Bernardino, CA
Built 2001 ADT: 14,000
STATE ROUTE 210 EB
UnknownOver: CAMPUS AVENUE
08-SBD-210-3.47-UPL, San Bernardino, CA
Built 2001 ADT: 14,000
SAPPHIRE STREET
UnknownOver: STATE ROUTE 210
08-SBD-210-4.08-RCUC, San Bernardino, CA
Built 1999 ADT: 181,000
CARNELIAN STREET
UnknownOver: STATE ROUTE 210
08-SBD-210-4.60-RCUC, San Bernardino, CA
Built 2000 ADT: 194,000
BERYL STREET
UnknownOver: STATE ROUTE 210
08-SBD-210-5.11-RCUC, San Bernardino, CA
Built 2000 ADT: 194,000
HELLMAN AVENUE
UnknownOver: STATE ROUTE 210
08-SBD-210-5.37-RCUC, San Bernardino, CA
Built 2000 ADT: 194,000
AMETHYST STREET
UnknownOver: STATE ROUTE 210 & RAMPS
08-SBD-210-5.63-RCUC, San Bernardino, CA
Built 2000 ADT: 194,000
ARCHIBALD AVENUE
UnknownOver: STATE ROUTE 210
08-SBD-210-5.90-RCUC, San Bernardino, CA
Built 2000 ADT: 197,000
STATE ROUTE 210 WB
UnknownOver: ROCHESTER AVENUE
08-SBD-210-8.66-RCUC, San Bernardino, CA
Built 2001 ADT: 1,400
STATE ROUTE 210 EB
UnknownOver: ROCHESTER AVENUE
08-SBD-210-8.66-RCUC, San Bernardino, CA
Built 2001 ADT: 1,400
STATE ROUTE 210 WB
UnknownOver: DAY CREEK BLVD
08-SBD-210-9.14-RCUC, San Bernardino, CA
Built 2001 ADT: 8,000
STATE ROUTE 210 EB
UnknownOver: DAY CREEK BLVD
08-SBD-210-9.14-RCUC, San Bernardino, CA
Built 2001 ADT: 8,000
HIGHLAND AVENUE
UnknownOver: STATE ROUTE 210 & RAMPS
08-SBD-210-18.86-RIA, San Bernardino, CA
Built 2006 ADT: 1,001
ARCHIBALD AVENUE
UnknownOver: INTERSTATE 10
08-SBD-010-7.16-ONT, San Bernardino, CA
Built 1996 ADT: 228,000
SIERRA AVENUE
UnknownOver: INTERSTATE 10
08-SBD-010-16.22-FNA, San Bernardino, CA
Built 2002 ADT: 208,000
STATE ROUTE 247
UnknownOver: INTERSTATE 15
08-SBD-247-78.07-BSW, San Bernardino, CA
Built 1999 ADT: 80,000
MURIEL DRIVE
UnknownOver: INTERSTATE 15 & RAMPS
08-SBD-015-74.15-BSW, San Bernardino, CA
Built 1998 ADT: 80,000
WEST BOUND 40
UnknownOver: INTERSTATE 15
08-SBD-040-0.01, San Bernardino, CA
Built 1997 ADT: 113,000
OAK HILL ROAD
UnknownOver: INTERSTATE 15
08-SBD-015-R28.62, San Bernardino, CA
Built 1997 ADT: 158,000
INTERSTATE 10
UnknownOver: CENTRAL AVENUE
08-SBD-010-1.23-MCL, San Bernardino, CA
Built 2000 ADT: 30,000
INTERSTATE 10
UnknownOver: MOUNTAIN AVENUE
08-SBD-010-2.37-UPL, San Bernardino, CA
Built 2000 ADT: 40,000
HAVEN AVENUE (SB)
UnknownOver: INTERSTATE 10
08-SBD-010-8.16-ONT, San Bernardino, CA
Built 1998 ADT: 228,000
LENWOOD ROAD
UnknownOver: INTERSTATE 15
08-SBD-015-68.77-BSW, San Bernardino, CA
Built 1999 ADT: 60,000
BNSF RR
UnknownOver: INTERSTATE 15
08-SBD-015-49.25, San Bernardino, CA
Built 2004 ADT: 55,000
AYALA DRIVE
UnknownOver: STATE ROUTE 210
08-SBD-210-17.44-RIA, San Bernardino, CA
Built 2004 ADT: 160,000
PEDESTRIAN WALKWAY
UnknownOver: STATE ROUTE 210
08-SBD-210-18.13-RIA, San Bernardino, CA
Built 2007 ADT: 160,000
VLY BL W-10 ONRAMP
UnknownOver: W10-ETIWANDA AVE OFFRAMP
08-SBD-010-11.35, San Bernardino, CA
Built 2004 ADT: 11,415
27TH STREET
UnknownOver: INTERSTATE 215
08-SBD-215-9.71-SBD, San Bernardino, CA
Built 2011 ADT: 92,000
9TH STREET
UnknownOver: INTERSTATE 215 & BNSF RR
08-SBD-215-7.70-SBD, San Bernardino, CA
Built 2011 ADT: 175,000
BASELINE STREET
UnknownOver: INTERSTATE 215 / BNSF RR
08-SBD-215-8.08-SBD, San Bernardino, CA
Built 2011 ADT: 175,000
INTERSTATE 215
UnknownOver: MILL STREET
08-SBD-215-6.06-SBD, San Bernardino, CA
Built 2010 ADT: 20,500
INLAND CENTER DR
UnknownOver: INTERSTATE 215 & RAMPS
08-SBD-215-5.58-SBD, San Bernardino, CA
Built 2010 ADT: 140,000
INLAND CENTER-S215
UnknownOver: S215-ORANGE SHOW OFFRAMP
08-SBD-215-5.39-SBD, San Bernardino, CA
Built 2010 ADT: 1,000
ORANGE SHOW-N215
UnknownOver: N215-INLAND CNTR,WARM CR
08-SBD-215-5.21-SBD, San Bernardino, CA
Built 2010 ADT: 1,500
N215-W210 CONNECTR
UnknownOver: I215,SR210,CAJON BL,BNSF
08-SBD-215-10.00-SBD, San Bernardino, CA
Built 2012 ADT: 68,000
S259-S215 CONNECTR
UnknownOver: INTERSTATE 215
08-SBD-259-L0.11-SBD, San Bernardino, CA
Built 2013 ADT: 1,001
N215-N259 CONNECTR
UnknownOver: NB I-215 ON RAMP
08-SBD-215-8.57-SBD, San Bernardino, CA
Built 2013 ADT: 1,001
16TH STREET
UnknownOver: I-215,SR259 CONNS,RAMPS
08-SBD-215-8.58-SBD, San Bernardino, CA
Built 2013 ADT: 1,001
E210 S215 CONNECTR
UnknownOver: S215 OFF TO 27TH STREET
08-SBD-210-R21.81-SBD, San Bernardino, CA
Built 2012 ADT: 1,769
Showing 4,901-4,950 of 27,040 bridges
Related
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.