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
INTERSTATE 80
PoorOver: CARPENTER ROAD
03-PLA-080-34.99, Placer, CA
Built 1958 Load: 45.7 t ADT: 29,000
SOUTH AVE
PoorOver: JEWETT CREEK
3.6 MI E/O ROAD 99W, Tehama, CA
Built 1968 Load: 45.7 t ADT: 5,576
US HIGHWAY 101 NB
PoorOver: VCY RY
07-VEN-101-R24.34-VEN, Ventura, CA
Built 1968 Load: 45.7 t ADT: 68,500
CAMINO DEL MAR
PoorOver: SAN ELIJO LAGOON
1.8MI N/O LOMAS SANTA FE, San Diego, CA
Built 1934 Load: 46.0 t ADT: 20,297
CARLTON HILL BLVD
PoorOver: SAN DIEGO RIVER
0.2MI N/O MISSION GORGE, San Diego, CA
Built 1978 Load: 46.3 t ADT: 23,227
US HIGHWAY 101 NB
PoorOver: UP RR & AMTRAK
05-SB-101-R0.25, Santa Barbara, CA
Built 1971 Load: 46.3 t ADT: 32,500
MAIN STREET
PoorOver: CONTRA COSTA CANAL
.01 MI SE/O OAKLEY RD, Contra Costa, CA
Built 1977 Load: 46.7 t ADT: 28,500
ACCESS RD CITY YDS
PoorOver: ALHAMBRA WASH
0.1MI W/O NEW AVE, Los Angeles, CA
Built 1969 Load: 46.7 t ADT: 505
INTERSTATE 5 SB
PoorOver: CALIFORNIA AQUEDUCT
10-SJ-005-2.07, San Joaquin, CA
Built 1966 Load: 46.7 t ADT: 11,400
U.S. HIGHWAY 101
PoorOver: LOS ANGELES RIVER
07-LA-101-10.83-LA, Los Angeles, CA
Built 1957 Load: 47.0 t ADT: 175,000
LAMBERT ROAD
PoorOver: BREA CANYON CHANNEL
0.1 MI. W/O BREA BLVD., Orange, CA
Built 1980 Load: 47.0 t ADT: 36,000
STATE ROUTE 242
PoorOver: CONCORD AVENUE
04-CC-242-R1.47-CND, Contra Costa, CA
Built 1963 Load: 47.1 t ADT: 100,000
ISLAY ST
PoorOver: MISSION CREEK
AT CASTILLO ST, Santa Barbara, CA
Built 1982 Load: 47.6 t ADT: 700
E MEADOW DR
PoorOver: ADOBE CREEK
NEAR FABIAN DR, Santa Clara, CA
Built 1958 Load: 48.0 t ADT: 5,000
SKYWAY RD EB
PoorOver: BUTTE CREEK
0.5 MI SE HUMBUG RD, Butte, CA
Built 1978 Load: 48.3 t ADT: 12,054
MARSHALL PETLUM RD
PoorOver: SALMON CREEK
3.0MI W OF HICKSVALLEY RD, Marin, CA
Built 1931 Load: 48.3 t ADT: 328
WALSH AVE
PoorOver: SAN TOMAS AQUINO CREEK
NEAR SAN TOMAS EXPWY, Santa Clara, CA
Built 1973 Load: 48.3 t ADT: 18,000
RAMP/CONNECTOR 101
PoorOver: S BR ARROYO CONEJO(OFF)
07-VEN-101-6.92-THOK, Ventura, CA
Built 1967 Load: 48.9 t ADT: 4,951
AYERS ROAD
PoorOver: MOUNT DIABLO CREEK
0.3 MI N CLAYTON RD, Contra Costa, CA
Built 1987 Load: 49.2 t ADT: 8,000
WATER ST
PoorOver: SAN JOSE CR
0.6MI N/O SR-60 FWY, Los Angeles, CA
Built 1967 Load: 49.6 t ADT: 184
STATE ROUTE 84
PoorOver: CALTRAIN,UP RR,SHASTA ST
04-SM-084-24.86-RDWC, San Mateo, CA
Built 1965 Load: 49.6 t ADT: 43,000
INTERSTATE 280 NB
PoorOver: SAN FRANCISQUITO CREEK
04-SM-280-R0.30, San Mateo, CA
Built 1969 Load: 49.6 t ADT: 46,500
LEININGER RD
PoorOver: JUNIPER GULCH
1.4 MI N/O ORCHARD RD, Tehama, CA
Built 1975 Load: 49.6 t ADT: 232
FOREST ROAD 452
PoorOver: HARE CREEK
WEST OF JCT FOREST RD 400, Mendocino, CA
Built 1997 Load: 49.9 t ADT: 10
STATE ROUTE 86 NB
PoorOver: AMEROSA DITCH
11-IMP-086-57.33, Imperial, CA
Built 1981 Load: 50.2 t ADT: 7,300
STATE ROUTE 126
PoorOver: POLE CREEK
07-VEN-126-21.97-FIL, Ventura, CA
Built 1981 Load: 50.2 t ADT: 30,000
WASHINGTON AVE
PoorOver: SAN LORENZO CREEK
S LEWELLING BLVD, Alameda, CA
Built 1954 Load: 50.5 t ADT: 31,700
STATE ROUTE 24
PoorOver: EBMUD AQUEDUCT
04-CC-024-R6.75-LFYT, Contra Costa, CA
Built 1957 Load: 50.5 t ADT: 79,500
INLAND CENTER DR
PoorOver: LYTLE CREEK-EAST BRANCH
0.2 MI SW JT MILL ST E ST, San Bernardino, CA
Built 1973 Load: 50.5 t ADT: 8,702
MTN VIEW-ALVISO RD
PoorOver: SAN TOMAS AQUINO CREEK
JUST SOUTH OF SH 237, Santa Clara, CA
Built 1973 Load: 50.5 t ADT: 5,291
PICACHO RD
PoorOver: RESERVATION MAIN DRAIN
370 FT N/O QUECHAN RD, Imperial, CA
Built 1977 Load: 50.9 t ADT: 4,700
MCKINLEY ROAD
PoorOver: NORTH LITTLE JOHNS CREEK
0.04 MI N INDUSTRIAL DR, San Joaquin, CA
Built 1972 Load: 50.9 t ADT: 4,300
21ST ST
PoorOver: EAST TWIN CREEK CHANNEL
0.55 MI E WATERMAN AVE, San Bernardino, CA
Built 1961 Load: 51.2 t ADT: 5,700
CUYAMACA ST.
PoorOver: SAN DIEGO RIVER
0.5M N/O MISSION GORGE RD, San Diego, CA
Built 1974 Load: 51.2 t ADT: 26,648
LOS ALISOS BLVD
PoorOver: ALISO CREEK
0.29 MI. S/O MUIRLAND BL., Orange, CA
Built 1973 Load: 51.5 t ADT: 45,250
E ANNADALE AVE
PoorOver: C & K CANAL
WEST OF NEWMARK AVE, Fresno, CA
Built 1969 Load: 51.8 t ADT: 2,982
E CENTRAL AVE
PoorOver: C & K CANAL
0.01 MI W OF NEWMARK AVE, Fresno, CA
Built 1925 Load: 52.2 t ADT: 1,434
STATE ROUTE 86 NB
PoorOver: VERDE DITCH
11-IMP-086-57.68, Imperial, CA
Built 1981 Load: 52.2 t ADT: 7,300
HETZEL ROAD
PoorOver: SALT CREEK
0.55 MI W/O HUFF RD, Imperial, CA
Built 1978 Load: 52.2 t ADT: 318
PEARBLOSSOM HWY
PoorOver: SPRR
2.0MI N/O SR-14 FWY, Los Angeles, CA
Built 1959 Load: 52.2 t ADT: 40,280
STATE ROUTE 20
PoorOver: RUSSIAN RIV, NCRA/NWP RR
01-MEN-020-33.63, Mendocino, CA
Built 1958 Load: 52.2 t ADT: 11,500
AVE S E
PoorOver: RR
2MI E/O SIERRA HWY, Los Angeles, CA
Built 2007 Load: 52.5 t ADT: 28,154
MADERA ROAD
PoorOver: ARROYO SIMI
0.5 MI S OF SR 118, Ventura, CA
Built 1979 Load: 52.8 t ADT: 30,000
HENRY MILLER AVE
PoorOver: LOS BANOS CREEK
0.3 MI W BADGER FLAT ROAD, Merced, CA
Built 1985 Load: 53.1 t ADT: 1,870
AVE OF THE FLAGS
PoorOver: SANTA YNEZ RIVER
0.6 MI SOUTH OF SR 246, Santa Barbara, CA
Built 1949 Load: 53.5 t ADT: 3,000
PICACHO RD
PoorOver: RESERVATION MAIN DRAIN
0.75 MI S/O ROSS RD, Imperial, CA
Built 1974 Load: 53.8 t ADT: 3,000
NOGALES ST
PoorOver: SAN JOSE CRK
0.1MI S/O VALLEY BLVD, Los Angeles, CA
Built 1968 Load: 53.8 t ADT: 40,898
PINE FLAT RD
PoorOver: SAUSAL CREEK
0.63 MI NE OF SR 128, Sonoma, CA
Built 1974 Load: 53.8 t ADT: 100
GENTRY RD
PoorOver: NEW RIVER
1.3 MI S/0 VAIL RD, Imperial, CA
Built 1978 Load: 54.1 t ADT: 900
PRKFLD COALINGA RD
PoorOver: LITTLE CHOLAME CREEK
3 MI N VINEYARD CANYON RD, Monterey, CA
Built 1971 Load: 54.1 t ADT: 240
Showing 26,951-27,000 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.