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
BNSF, METRO
UnknownOver: C STREET
0.75 MI W MT VERNON AVE, San Bernardino, CA
Built 1958 ADT: 10,000
COLTON HIGH SC POC
UnknownOver: RANCHO AVE
0.25 MI N RTE 1-10, San Bernardino, CA
Built 1961 ADT: 10,000
UP RR
UnknownOver: HAVEN AVENUE
0.25 MI SOUTH OF I-10, San Bernardino, CA
Built 1986 ADT: 48,257
PEDESTRIAN ACCESS
UnknownOver: CARNELIAN STREET
0.3 MI N OF RTE 66, San Bernardino, CA
Built 1966 ADT: 28,800
BNSF RR
UnknownOver: N STREET
0.18 MI W LA CADENA DR, San Bernardino, CA
Built 1969 ADT: 200
UP RR
UnknownOver: VALLEY BLVD
0.5 MI E PEPPER ST, San Bernardino, CA
Built 1966 ADT: 5,000
UP RR
UnknownOver: HAVEN AVENUE
150' N OF MISSION, San Bernardino, CA
Built 1993 ADT: 28,995
POC
UnknownOver: ARCHIBALD AVE
0.3 MI SOUTH OF I-10, San Bernardino, CA
Built 1999 ADT: 15,980
UP RR
UnknownOver: ARCHIBALD AVENUE
100' N OF AIRPORT DR, San Bernardino, CA
Built 1999 ADT: 15,980
UNIVERSITY PARKWAY
UnknownOver: BNSF RY & CAJON BLVD
0.01 MI S OF CAJON BLVD, San Bernardino, CA
Built 2008 ADT: 12,240
PEDESTRIAN ACCESS
UnknownOver: FOOTHILL BLVD
~0.75 MILE W/O CITRUS AVE, San Bernardino, CA
Built 1931 ADT: 23,500
BNSF & METROLINK
UnknownOver: MILIKEN AVENUE
0.21 MI S/O JERSEY BLVD, San Bernardino, CA
Built 2011 ADT: 17,000
BNSF & METROLINK
UnknownOver: MILIKEN AVENUE
0.2 MI S/O JERSEY BLVD, San Bernardino, CA
Built 2011 ADT: 17,000
BNSF & METROLINK
UnknownOver: HAVEN AVENUE
0.2 MI S/O JERSEY BLVD, San Bernardino, CA
Built 2010 ADT: 24,500
BNSF
UnknownOver: RANCHERO ROAD
0.3 MI E/O 7TH AVENUE, San Bernardino, CA
Built 2010 ADT: 7,850
PALM AVENUE
UnknownOver: BNSF RR, CAJON BLVD
0.3 MI SW OF I-215, San Bernardino, CA
Built 2015 ADT: 4,000
FOOTHILL BLVD POC
UnknownOver: FOOTHILL BLVD
PACIFIC TRAIL AT FOOTHILL, San Bernardino, CA
Built 2013 ADT: 23,633
NORTH 8TH STREET
UnknownOver: WEST LAUREL STREET
0.3 MILE W/O LA CADENA DR, San Bernardino, CA
Built 2017 ADT: 5,000
BNSF RR
UnknownOver: WEST LAUREL STREET
0.25 MILE W/O LA CADENA, San Bernardino, CA
Built 2017 ADT: 5,000
MILLIKEN AVE
UnknownOver: MISSION BLVD.
0.45 MI WEST OF I-15 N, San Bernardino, CA
Built 2016 ADT: 18,780
UNION PACIFIC RR
UnknownOver: UNION PACIFIC RAILROAD
40 FT N/O E. AIRPORT DR., San Bernardino, CA
Built 2016 ADT: 30,000
UNION PACIFIC RR
UnknownOver: UNION PACIFIC RAILROAD
320 FT N/O E. AIRPORT DR., San Bernardino, CA
Built 2013 ADT: 30,000
MONTE VISTA BLVD
UnknownOver: UP RR, AMTRAK, METROLINK
0.2 MI S HOLT AVENUE, San Bernardino, CA
Built 2019 ADT: 5,020
UP RR
UnknownOver: HIGHLAND AVE
0.5 MI E OF N. PEPPER AVE, San Bernardino, CA
Built 1967 ADT: 20,000
UNIVERSITY AVENUE
UnknownOver: STATE ROUTE 163
11-SD-163-2.61-SD, San Diego, CA
Built 1947 ADT: 95,000
MAIN STREET
UnknownOver: INTERSTATE 5
11-SD-005-5.40-SD, San Diego, CA
Built 1973 ADT: 154,000
SDIV RR
UnknownOver: STATE ROUTE 94
11-SD-094-46.79, San Diego, CA
Built 1915 ADT: 1,950
SDIV RR
UnknownOver: STATE ROUTE 94
11-SD-094-R59.16, San Diego, CA
Built 1917 ADT: 1,950
INTERSTATE 5
UnknownOver: NCTD, BNSF, OCEANSIDE BL
11-SD-005-R52.30-OCN, San Diego, CA
Built 1953 ADT: 31,400
STATE ROUTE 163
UnknownOver: SAN DIEGO RIVER
11-SD-163-3.95-SD, San Diego, CA
Built 1946 ADT: 17,300
E&W8-N163 CONNECT
UnknownOver: CAMINO DE LA REINA,SD RI
11-SD-008-2.43-SD, San Diego, CA
Built 1970 ADT: 17,300
STATE ROUTE 78
UnknownOver: MISSION RD,NCTD,BNSF RY
11-SD-078-14.99-SMCS, San Diego, CA
Built 1962 ADT: 18,300
STATE ROUTE 75
UnknownOver: INTERSTATE 5
11-SD-075-8.98-SD, San Diego, CA
Built 1973 ADT: 154,000
FIRST AVE
UnknownOver: INTERSTATE 5
11-SD-005-R16.59-SD, San Diego, CA
Built 1962 ADT: 156,000
N163-QUINCE ST OFF
UnknownOver: STATE ROUTE 163
11-SD-163-1.62-SD, San Diego, CA
Built 1946 ADT: 118,000
RICHMOND ST-SR163
UnknownOver: STATE ROUTE 163
11-SD-163-1.80-SD, San Diego, CA
Built 1947 ADT: 107,000
PEDESTRIAN WALKWAY
UnknownOver: STATE ROUTE 163
11-SD-163-2.07-SD, San Diego, CA
Built 1947 ADT: 105,000
ROBINSON AVENUE
UnknownOver: STATE ROUTE 163
11-SD-163-2.49-SD, San Diego, CA
Built 1942 ADT: 116,000
WASHINGTON STREET
UnknownOver: STATE ROUTE 163
11-SD-163-2.75-SD, San Diego, CA
Built 1942 ADT: 130,000
WASHINGTON ST-S163
UnknownOver: STATE ROUTE 163
11-SD-163-2.79-SD, San Diego, CA
Built 1947 ADT: 97,000
STATE ROUTE 163
UnknownOver: 6TH AVE-N163 ON RAMP
11-SD-163-2.98-SD, San Diego, CA
Built 1947 ADT: 15,300
E8-N163 & S163-E8
UnknownOver: STATE ROUTE 163
11-SD-008-2.41-SD, San Diego, CA
Built 1988 ADT: 167,000
SECOND AVE
UnknownOver: ROUTE 5
11-SD-005-R16.53-SD, San Diego, CA
Built 1962 ADT: 199,000
N163-W8 CONNECTOR
UnknownOver: RTE 163, S163-W8,N163-W8
11-SD-163-3.81-SD, San Diego, CA
Built 1991 ADT: 15,900
INTERSTATE 5
UnknownOver: CANNON ROAD
11-SD-005-R47.98-CBD, San Diego, CA
Built 1971 ADT: 6,050
E STREET
UnknownOver: INTERSTATE 5
11-SD-005-8.56-CHV, San Diego, CA
Built 1973 ADT: 163,000
INTERSTATE 5 SB
UnknownOver: 24TH STREET
11-SD-005-R10.04-NATC, San Diego, CA
Built 1965 ADT: 3,790
INTERSTATE 5 NB
UnknownOver: 24TH STREET
11-SD-005-R10.04-NATC, San Diego, CA
Built 1965 ADT: 3,790
INTERSTATE 5 SB
UnknownOver: 18TH STREET
11-SD-005-R10.43-NATC, San Diego, CA
Built 1965 ADT: 13,200
INTERSTATE 5 NB
UnknownOver: 18TH STREET
11-SD-005-R10.43-NATC, San Diego, CA
Built 1951 ADT: 13,200
Showing 5,001-5,050 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.