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
PERKINS AVE
PoorOver: UP RR
0.25 MI W BROWNING RD, Kern, CA
Built 1963 Load: 21.7 t ADT: 3,970
SANTA ANITA AVE
PoorOver: RIO HONDO
0.8MI W/O PECK RD, Los Angeles, CA
Built 1959 Load: 21.7 t ADT: 32,849
FRANCISQUITO AVE
PoorOver: WALNUT CRK
0.1MI S/O I-10 FWY, Los Angeles, CA
Built 1958 Load: 21.7 t ADT: 31,805
STUDEBAKER RD N/B
PoorOver: S CAL EDISON S CHAN
300FT S/O LOYNES DRIVE, Los Angeles, CA
Built 1966 Load: 21.7 t ADT: 38,584
BIRD ROAD
PoorOver: CALIFORNIA AQUEDUCT
0.5 MI N BLEWETT RD, San Joaquin, CA
Built 1966 Load: 21.7 t ADT: 3,491
SNTA RTA OLD CR RD
PoorOver: OLD CREEK
0.3 MI E CYPRESS MTN DR, San Luis Obispo, CA
Built 1940 Load: 21.7 t ADT: 249
FOREST HILL DR
PoorOver: BEAR CREEK
0.2 MI W BEAR CREEK RD, Santa Cruz, CA
Built 1961 Load: 21.7 t ADT: 1,200
SARTORI DR
PoorOver: ADOBE CREEK
0.2 MI SE CASA GRANDE AVE, Sonoma, CA
Built 1976 Load: 21.7 t ADT: 1,475
INTERSTATE 5 SB
PoorOver: INGRAM CREEK
10-STA-005-23.07, Stanislaus, CA
Built 1967 Load: 21.7 t ADT: 20,500
STATE ROUTE 20
PoorOver: SUTTER BYPASS
03-SUT-020-4.22, Sutter, CA
Built 1938 Load: 21.7 t ADT: 7,600
CAMPUS DR
PoorOver: LION CREEK TRIBUTARY
0.5 MI SE REDWOD RD, Alameda, CA
Built 1970 Load: 22.0 t ADT: 9,189
ORVLE CHICO HWY
PoorOver: DURHAM MUTUAL DITCH
0.9 MI N OF NEAL RD, Butte, CA
Built 1920 Load: 22.0 t ADT: 1,552
BRIONES VALLEY RD
PoorOver: BRIONES VALLEY CREEK
2.9 MI W DEER VALLEY RD, Contra Costa, CA
Built 2001 Load: 22.0 t ADT: 50
N FRUIT AVE
PoorOver: HOUGHTON CANAL
AT NIELSEN AVE, Fresno, CA
Built 1954 Load: 22.0 t ADT: 1,135
KUBLER RD
PoorOver: GREESON WASH
0.45 MI E/O BROCKMAN RD, Imperial, CA
Built 1940 Load: 22.0 t ADT: 100
6TH AVE
PoorOver: E BRANCH LAKELAND CANAL
3.3 MI S OF KANSAS AVE, Kings, CA
Built 1986 Load: 22.0 t ADT: 400
W10 & E10 BUSWAYS
PoorOver: RIO HONDO RIVER
07-LA-010S-28.33-EMTE, Los Angeles, CA
Built 1972 Load: 22.0 t ADT: 500
BADILLO ST
PoorOver: BIG DALTON WASH
0.1MI W/O PUENTE AVE, Los Angeles, CA
Built 1959 Load: 22.0 t ADT: 13,081
STATE ROUTE 128
PoorOver: HOPPER SLOUGH
04-NAP-128-5.12, Napa, CA
Built 1921 Load: 22.0 t ADT: 2,075
GILBERT DR
PoorOver: SHELTER CHANNEL
0.4 MI E/O ADMIRALTY DR, Orange, CA
Built 1963 Load: 22.0 t ADT: 900
BUCKMAN RD
PoorOver: DUCK CREEK BRANCH
0.8 MI N OF SR 4, San Joaquin, CA
Built 1931 Load: 22.0 t ADT: 13
US HIGHWAY 101 NB
PoorOver: ATASCADERO CREEK
05-SLO-101-45.72-ATAS, San Luis Obispo, CA
Built 1956 Load: 22.0 t ADT: 30,000
BERMUDA DR
PoorOver: FIESTA CHANNEL
SOUTH OF FIESTA DRIVE, San Mateo, CA
Built 1955 Load: 22.0 t ADT: 1,920
NB JEFFERSON BLVD
PoorOver: DEEP WATER CANAL
0.2 MI SOUTH OF STONE ST, Yolo, CA
Built 1960 Load: 22.0 t ADT: 17,439
WINDING ROAD
PoorOver: DINKEY CREEK
11S02-0.1, Fresno, CA
Built 1938 Load: 22.1 t ADT: 110
LAWRENCE ROAD
PoorOver: SOUTH FORK COSUMNES RIV
EL DORADO CO LINE, Amador, CA
Built 1960 Load: 22.4 t ADT: 25
SAN PABLO AVE
PoorOver: BNSF RY AND AMTRAK
WEST OF CAROL LANE, Contra Costa, CA
Built 1938 Load: 22.4 t ADT: 10,300
MINER RD
PoorOver: SAN PABLO CREEK
AT CAMINO PABLO, Contra Costa, CA
Built 1931 Load: 22.4 t ADT: 6,368
RD 311
PoorOver: DEEP CUT (BAXTER) CREEK
1.1 MI E/O A3, Lassen, CA
Built 1978 Load: 22.4 t ADT: 100
MOORE AVE
PoorOver: WEST BRANCH RUSSIAN RIV
0.1 MI E JCT N STATE ST, Mendocino, CA
Built 1958 Load: 22.4 t ADT: 2,776
HIRSCHDALE RD
PoorOver: UP RR, BNSF RY, & AMTRAK
2.5 MI S OF BOCA, Nevada, CA
Built 1926 Load: 22.4 t ADT: 70
NAT TRAILS HWY
PoorOver: LAMEGO DITCH
4.3 MI E KELBAKER RD, San Bernardino, CA
Built 1930 Load: 22.4 t ADT: 502
INTERSTATE 5 SB
PoorOver: NCTD,BNSF & AMTRAK,SCRRA
11-SD-005-R55.39L-OCN, San Diego, CA
Built 1967 Load: 22.4 t ADT: 96,000
US HIGHWAY 101 SB
PoorOver: SANTA MARGARITA CREEK
05-SLO-101-37.99, San Luis Obispo, CA
Built 1956 Load: 22.4 t ADT: 21,000
BUENA VISTA DRIVE
PoorOver: HARKINS SLOUGH
30' S LARKIN VALLEY RD, Santa Cruz, CA
Built 1950 Load: 22.4 t ADT: 6,000
WATMAUGH ROAD
PoorOver: FOWLER CREEK
0.3 MI E ARNOLD, Sonoma, CA
Built 1920 Load: 22.4 t ADT: 3,300
INTERSTATE 5 SB
PoorOver: INGRAM CREEK ROAD
10-STA-005-22.99, Stanislaus, CA
Built 1967 Load: 22.4 t ADT: 20,500
SACRAMENTO AVE
PoorOver: SUTTER BYPASS E CHANNEL
1.1 MI WEST OF SR 99, Sutter, CA
Built 1975 Load: 22.4 t ADT: 334
GRANT LINE ROAD
PoorOver: DELTA-MENDOTA CANAL
1.8 MI NE OF I 580, Alameda, CA
Built 1948 Load: 22.7 t ADT: 5,100
ATLANTIC AVE
PoorOver: LOS ANGELES RIV
0.5MI S/O ALONDRA BLVD, Los Angeles, CA
Built 1937 Load: 22.7 t ADT: 23,298
ROAD 200
PoorOver: LITTLE FINE GOLD CREEK
14.1 MI NE STATE RTE 41, Madera, CA
Built 1958 Load: 22.7 t ADT: 800
STATE ROUTE 1
PoorOver: ALBION RIVER
01-MEN-001-43.74, Mendocino, CA
Built 1944 Load: 22.7 t ADT: 2,100
BUHACH ROAD
PoorOver: LIVINGSTON CANAL
0.3 MI N JUNIPER AVENUE, Merced, CA
Built 1965 Load: 22.7 t ADT: 9,555
LIMEKILN ROAD
PoorOver: PESCADERO CREEK
0.1 MI S CIENEGA RD, San Benito, CA
Built 1980 Load: 22.7 t ADT: 500
MAIN ST
PoorOver: CHOLLAS CREEK
0.12M S/O 32ND ST, San Diego, CA
Built 1937 Load: 22.7 t ADT: 18,545
INTERSTATE 5 NB
PoorOver: WEBER,PERSHING,FREMONT
10-SJ-005-26.47-STKN, San Joaquin, CA
Built 1972 Load: 22.7 t ADT: 56,500
INTERSTATE 5 NB
PoorOver: OAK FLAT ROAD
10-STA-005-12.53, Stanislaus, CA
Built 1967 Load: 22.7 t ADT: 18,000
LAS PALMAS AVENUE
PoorOver: SAN JOAQUIN RIVER
3 MI N/E STATE ROUTE 33, Stanislaus, CA
Built 1959 Load: 22.7 t ADT: 12,585
WEST LANE
PoorOver: BEAR CREEK
1.6 MI N HAMMER LANE, San Joaquin, CA
Built 1966 Load: 23.0 t ADT: 14,064
STATE ROUTE 166
PoorOver: BRANCH CANYON
05-SB-166-64.19, Santa Barbara, CA
Built 1943 Load: 23.0 t ADT: 4,500
Showing 26,251-26,300 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.