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
CAMINO DEL MAR
UnknownOver: MTDB, BNSF RY, & AMTRAK
AT JIMMY DURANTE BLVD, San Diego, CA
Built 1927 ADT: 8,000
PALOMAR AIRPORT RD
UnknownOver: CARLSBAD BLVD
0.35MI W/O ROUTE 5, San Diego, CA
Built 1953 ADT: 7,269
UPAS STREET.
UnknownOver: PACIFIC HWY
0.15 MI N/O SASSAFRAS ST, San Diego, CA
Built 1965 ADT: 7,690
PACIFIC HWY
UnknownOver: BNSF & WASHINGTON STREET
0.16 W/O I 5, San Diego, CA
Built 1958 ADT: 1,050
BARNETT AVENUE
UnknownOver: PACIFIC HIGHWAY
PACIFIC HWY & BARNETT, San Diego, CA
Built 1943 ADT: 11,357
GENERAL DYNAMICS
UnknownOver: PACIFIC HWY
0.6MI S/O TAYLOR ST., San Diego, CA
Built 1942 ADT: 22,800
PACIFIC HWY
UnknownOver: SAN DIEGO RIV, FRIARS RD
0.46MI S/O SEA WORLD DR, San Diego, CA
Built 1933 ADT: 12,829
W MISSION BAY DR
UnknownOver: INGRAHAM STREET
0.75MI N/O I-8, San Diego, CA
Built 1972 ADT: 42,735
INGRAHAM ST RAMP
UnknownOver: INGRAHAM ST-SUNSET CLIFF
0.6MI N/O RTE I-8, San Diego, CA
Built 1972 ADT: 5,000
SEA CLIFF BLVD
UnknownOver: WEST MISSION BAY DRIVE
0.4MI N/O RTE I-8, San Diego, CA
Built 1972 ADT: 53,900
MTDB, BNSF, AMTRAK
UnknownOver: ENCINITAS BLVD
175FT E/O COAST HWY 101, San Diego, CA
Built 1966 ADT: 17,035
VOLTAIRE ST
UnknownOver: NIMITZ BLVD
0.65 MI S/O PT. LOMA BL, San Diego, CA
Built 1959 ADT: 37,930
FAMOSA BLVD
UnknownOver: NIMITZ BLVD
0.5 MI S/O PT. LOMA BL, San Diego, CA
Built 1959 ADT: 37,930
FRIARS RD
UnknownOver: MISSION CENTER RD
0.5MI E/O SR-163, San Diego, CA
Built 1968 ADT: 19,286
FRIARS RD
UnknownOver: QUALCOMM WAY
0.3 MI W/O I-805, San Diego, CA
Built 1968 ADT: 22,900
MISSION VILLAGE RD
UnknownOver: FRIARS RD
0.35MI W/O RTE I-15, San Diego, CA
Built 1968 ADT: 36,628
PEDESTRIAN WALKWAY
UnknownOver: HARBOR DR,MTDB,BNSF,SDIV
0.12 MI S/O 32ND ST, San Diego, CA
Built 1969 ADT: 17,000
MTDB LRT & SDIV RR
UnknownOver: 47TH STREET
0.6 MI SOUTH OF SR 94, San Diego, CA
Built 1975 ADT: 11,300
MTDB LRT & SDIV RR
UnknownOver: IMPERIAL AVENUE
275FT E/O 32ND ST, San Diego, CA
Built 1981 ADT: 6,495
GEORGIA ST
UnknownOver: UNIVERSITY AVE
0.62 MI E/O SR 163, San Diego, CA
Built 1914 ADT: 19,224
FAIRMOUNT AVE
UnknownOver: ALDINE DRIVE
1.2 MI S/O RTE I-8, San Diego, CA
Built 1960 ADT: 21,284
FAIRMOUNT AVE
UnknownOver: ALDINE DRIVE
1.2 MI S/O RTE I-8, San Diego, CA
Built 1960 ADT: 21,284
TWIN OAKS VALLEY R
UnknownOver: MISSION RD,BNSF RR,NCTD
475 FT N/O W.SAN MARCOS, San Diego, CA
Built 1977 ADT: 11,900
PEDESTRIAN WALKWAY
UnknownOver: TORREY PINES RD
300FT E/O LA JOLLA SHORE, San Diego, CA
Built 1977 ADT: 52,789
LA JOLLA VILLAGE D
UnknownOver: GILMAN DRIVE
0.5 MI W/O I-5, San Diego, CA
Built 1968 ADT: 31,000
PEDESTRIAN WALKWAY
UnknownOver: LA JOLLA VILLAGE DR
200 FT W/O VILLA LAJOLLA, San Diego, CA
Built 1978 ADT: 50,000
PEDESTRIAN WALKWAY
UnknownOver: LA JOLLA VILLAGE DR
360 FT E/O GENESEE AVE, San Diego, CA
Built 1978 ADT: 37,000
ORANGE AVE
UnknownOver: 54TH STREET
0.3 MI S/O EL CAJON BLVD, San Diego, CA
Built 1957 ADT: 21,900
HARRIS PLANT RD
UnknownOver: KEARNY VILLA RD
0.15MI N/O SR 163, San Diego, CA
Built 1968 ADT: 23,560
MIRAMAR WAY
UnknownOver: KEARNY VILLA RD
1.75MI N/O RTE 163, San Diego, CA
Built 1970 ADT: 23,560
COB POC
UnknownOver: 1ST AVE
BETWEEN A ST AND B ST, San Diego, CA
Built 1969 ADT: 14,600
CURRAN PLAZA
UnknownOver: B STREET
BTWN PARK BLVD & 16TH ST, San Diego, CA
Built 1973 ADT: 14,000
PEDESTRIAN WALKWAY
UnknownOver: PARK BLVD
0.6 MI N/O I-5, San Diego, CA
Built 1971 ADT: 18,400
PEDESTRIAN WALKWAY
UnknownOver: NORTH HARBOR DR
285 FT E/O NIMITZ BLVD, San Diego, CA
Built 1985 ADT: 18,160
LAUREL ST
UnknownOver: STATE ROUTE 163
0.2 MI E/O 6TH AVE, San Diego, CA
Built 1915 ADT: 118,000
PACIFIC TERRACE
UnknownOver: CASSIDY STREET
0.8MI SW/O RTE I-5, San Diego, CA
Built 1927 ADT: 9,000
MTDB LRT & SDIV RR
UnknownOver: CORONADO AVENUE
0.25M E/O RTE 5, San Diego, CA
Built 1984 ADT: 18,969
MTDB LRT & SDIV RR
UnknownOver: JACKSON DRIVE
0.03 S/O FLETCHER PKWY, San Diego, CA
Built 1989 ADT: 45,000
CAMINO SAN BERNARD
UnknownOver: CAMINO DEL NORTE
1.7MI W/O I-15, San Diego, CA
Built 1989 ADT: 34,000
6TH AVE POC
UnknownOver: 6TH AVENUE
0.2 MI N/O OF UNIVERSITY, San Diego, CA
Built 1967 ADT: 38,134
PEDESTRIAN WALKWAY
UnknownOver: BLACK MOUNTAIN RD
0.25 MI N/O MIRA MESA BL, San Diego, CA
Built 1993 ADT: 24,700
MTDB LRT & SDIV RR
UnknownOver: MAIN STREET
0.25M E/O RTE 5, San Diego, CA
Built 1993 ADT: 23,080
MTDB LRT & SDIV RR
UnknownOver: MAIN STREET
0.3M E/O RTE 5, San Diego, CA
Built 1993 ADT: 23,080
MONTEZUMA RD
UnknownOver: FAIRMOUNT AVE
0.5 MI S/O ROUTE I-8, San Diego, CA
Built 1996 ADT: 36,487
WASHINGTON ST POC
UnknownOver: SR163 RMP, WASHINGTON ST
500 FT E/O SR163, San Diego, CA
Built 2000 ADT: 30,826
MTDB, BNSF, AMTRAK
UnknownOver: GARNET AVE
0.1 MI E OF I-5, San Diego, CA
Built 1960 ADT: 47,900
MORENA BLVD
UnknownOver: BALBOA AVE
750 FT E/O I-5 FREEWAY, San Diego, CA
Built 1969 ADT: 38,129
GOLF CART/PED WALK
UnknownOver: COLLEGE BLVD
460FT N/O PALOMAR AIRPORT, San Diego, CA
Built 2005 ADT: 11,000
PEDESTRIAN WALKWAY
UnknownOver: CALLE BARCELONA
0.5 M E/O EL CAMINO REAL, San Diego, CA
Built 1999 ADT: 10,489
PEDESTRIAN WALKWAY
UnknownOver: DEL MAR HEIGHTS RD
200 FT E/O EL CAMINO REAL, San Diego, CA
Built 1992 ADT: 16,000
Showing 5,801-5,850 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.