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
SOUTH AVE
PoorOver: SACRAMENTO RIVER
3.6 MI WEST OF SH 99, Tehama, CA
Built 1975 Load: 18.5 t ADT: 6,000
DECOTO RD
PoorOver: ALAMEDA CREEK
NE PASEO PADRE PKWAY, Alameda, CA
Built 1967 Load: 18.8 t ADT: 35,700
SYCAMORE PL
PoorOver: SIERRA MADRE WASH
0.6MI W/O SANTA ANITA AVE, Los Angeles, CA
Built 1928 Load: 18.8 t ADT: 408
MARY HARRISON MINE
PoorOver: MAXWELL CREEK
AT SH 132, Mariposa, CA
Built 1926 Load: 18.8 t ADT: 10
SHERWOOD RD
PoorOver: SHERWOOD CREEK
0.5 MI W JCT SHERWOOD RD, Mendocino, CA
Built 1979 Load: 18.8 t ADT: 137
TUSTIN AVENUE
PoorOver: SANTA ANA RIVER CHANNEL
0.3 MI. S/O ROUTE 91 FWY., Orange, CA
Built 1967 Load: 18.8 t ADT: 19,800
SILVERADO CANYN RD
PoorOver: SILVERADO CANYON CREEK
5.4 MI E/O SANTIAGO CYN, Orange, CA
Built 1947 Load: 18.8 t ADT: 2,000
INTERSTATE 80
PoorOver: UP RR, BNSF RY, & AMTRAK
03-PLA-080-45.71, Placer, CA
Built 1961 Load: 18.8 t ADT: 29,000
INTERSTATE 40
PoorOver: BLACK CYN WASH
08-SBD-040-R102.18, San Bernardino, CA
Built 1970 Load: 18.8 t ADT: 7,500
INTERSTATE 40
PoorOver: BLACK CYN WASH
08-SBD-040-R102.18, San Bernardino, CA
Built 1970 Load: 18.8 t ADT: 7,500
US HIGHWAY 101 NB
PoorOver: NOJOQUI CREEK
05-SB-101-55.00, Santa Barbara, CA
Built 1956 Load: 18.8 t ADT: 11,000
HILTON DRIVE
PoorOver: BOULDER CREEK
BOULDER CRK COUNTRY CLUB, Santa Cruz, CA
Built 1959 Load: 18.8 t ADT: 2,500
FRANZ VALEY SCH RD
PoorOver: FRANZ CREEK
JUST N/O FRANZ RD, Sonoma, CA
Built 1946 Load: 18.8 t ADT: 350
EAST FK HAYFORK RD
PoorOver: HAYFORK CREEK
0.2 MI E WILDWOOD ROAD, Trinity, CA
Built 1971 Load: 18.8 t ADT: 50
WATERMAN AVE
PoorOver: SANTA ANA RIVER
0.4 MI N OF I-10, San Bernardino, CA
Built 1948 Load: 19.1 t ADT: 30,542
LA CADENA DR
PoorOver: SANTA ANA RIVER
1.5 MI SOUTH OF I-10, San Bernardino, CA
Built 1929 Load: 19.1 t ADT: 12,519
NAT TRAILS HWY
PoorOver: KALMIA DITCH
11.8 MI E OF CRUCERO RD, San Bernardino, CA
Built 1930 Load: 19.1 t ADT: 235
STATE ROUTE 4
PoorOver: OLD RIVER
10-SJ-004-0.01, San Joaquin, CA
Built 1915 Load: 19.1 t ADT: 8,200
PEZZI RD
PoorOver: CALAVERAS RIVER
0.8 MI S/O EIGHT MI RD, San Joaquin, CA
Built 1926 Load: 19.1 t ADT: 402
US HIGHWAY 101 SB
PoorOver: NIPOMO CREEK
05-SLO-101-1.36, San Luis Obispo, CA
Built 1957 Load: 19.1 t ADT: 28,000
INTERSTATE 80 EB
PoorOver: ULATIS CREEK
04-SOL-080-R26.61-VAC, Solano, CA
Built 1952 Load: 19.1 t ADT: 74,500
STATE ROUTE 120
PoorOver: STANISLAUS RIVER
10-STA-120-4.26, Stanislaus, CA
Built 1931 Load: 19.1 t ADT: 18,600
N JERROLD AVE
PoorOver: 2ND LIFT CANAL
0.9 MI NORTH OF NEES AVE, Fresno, CA
Built 1937 Load: 19.4 t ADT: 125
STATE ROUTE 41
PoorOver: KINGS RIVER
06-KIN-041-32.26, Kings, CA
Built 1942 Load: 19.4 t ADT: 7,700
N STATE ST
PoorOver: YORK CREEK
2.3 MI N OF 101, Mendocino, CA
Built 1980 Load: 19.4 t ADT: 7,012
CARMEL VALLEY RD
PoorOver: PALOMA CREEK
6.3 MI N ARROYO SECO RD, Monterey, CA
Built 1959 Load: 19.4 t ADT: 290
ST RTE 160 WB, LRT
PoorOver: AMERICAN RIVER
03-SAC-160-R44.47-SAC, Sacramento, CA
Built 1915 Load: 19.4 t ADT: 26,500
EVANS AVE
PoorOver: CALTRAIN & UP RR
JUST S. OF CESAR CHAVEZ, San Francisco, CA
Built 1947 Load: 19.4 t ADT: 30,000
STATE ROUTE 92
PoorOver: SAN FRANCISCO BAY
04-SM-092-R14.44-FSTC, San Mateo, CA
Built 1967 Load: 19.4 t ADT: 120,000
LARKSPUR ST
PoorOver: SAN LORENZO RIVER
0.2 MI E HIGHWAY 9, Santa Cruz, CA
Built 1957 Load: 19.4 t ADT: 1,500
EAST ZAYANTE RD
PoorOver: ZAYANTE CREEK
3.2 MI N GRAHAM HILL RD, Santa Cruz, CA
Built 1948 Load: 19.4 t ADT: 2,000
CASSERLY RD
PoorOver: GREEN VALLEY CREEK
0.3 MI E ROBIN MEADOW LN, Santa Cruz, CA
Built 1941 Load: 19.4 t ADT: 500
BECKWITH ROAD
PoorOver: M.I.D. LATERAL #7
0.4 MILE W/O DAKOTA RD, Stanislaus, CA
Built 1925 Load: 19.4 t ADT: 4,684
PETTYJOHN RD
PoorOver: COLD FORK COTTONWOOD CRK
0.9 MI W WEEMASOUL RD, Tehama, CA
Built 1938 Load: 19.4 t ADT: 20
WILDWOOD-MAD RIVER
PoorOver: DUBAKELLA CREEK
NO DATA ENTERED, Trinity, CA
Built 1972 Load: 19.4 t ADT: 50
EDGEWATER DRIVE SB
PoorOver: ELMHURST CANAL
0.2 MI N/W ROLAND WAY, Alameda, CA
Built 1968 Load: 19.8 t ADT: 2,173
WINDING ROAD
PoorOver: BASIN CREEK
11S12-20.3, Fresno, CA
Built 1968 Load: 19.8 t ADT: 50
U.S. HIGHWAY 101
PoorOver: BIG LAGOON
01-HUM-101-109.17, Humboldt, CA
Built 1958 Load: 19.8 t ADT: 4,200
WASHINGTON RD
PoorOver: SAND SLOUGH
1.7 MI W HARMON RD, Merced, CA
Built 1950 Load: 19.8 t ADT: 267
LLANO RD
PoorOver: COLGAN CREEK
1.1 MI N OF SH 116, Sonoma, CA
Built 1979 Load: 19.8 t ADT: 1,750
UPPER ROAD
PoorOver: NEWMAN WASTEWAY
0.2 MI S/O HALLOWELL RD, Stanislaus, CA
Built 1953 Load: 19.8 t ADT: 1,097
SERVICE ROAD
PoorOver: T.I.D. CERES MAIN CANAL
80' W/O MOORE ROAD, Stanislaus, CA
Built 1921 Load: 19.8 t ADT: 4,119
SONORA ROAD
PoorOver: MARTELLS CREEK
0.1MI E FRANKENHEIMER RD, Stanislaus, CA
Built 1920 Load: 19.8 t ADT: 182
ROAD M112
PoorOver: DEER CREEK
5.86 MI SE OF M120, Tulare, CA
Built 1939 Load: 19.8 t ADT: 25
OLD DUBLIN ROAD
PoorOver: SAN LORENZO CREEK
0.5 MI E/O CASTRO VLY RD, Alameda, CA
Built 1927 Load: 20.1 t ADT: 2,120
MAPLE CREEK RD
PoorOver: MAPLE CREEK
12.5 MI SE OF KORBEL, Humboldt, CA
Built 1955 Load: 20.1 t ADT: 38
EVAN HEWES HWY
PoorOver: WESTSIDE MAIN CANAL
1.7 MI E/O DUNAWAY RD, Imperial, CA
Built 1963 Load: 20.1 t ADT: 2,225
BROCKMAN RD
PoorOver: GREESON WASH
0.4 MI N/O KUBLER RD, Imperial, CA
Built 1947 Load: 20.1 t ADT: 550
MONTGOMERY ROAD
PoorOver: EAST HIGHLINE CANAL
3.2 MI E/O WIEST RD, Imperial, CA
Built 1950 Load: 20.1 t ADT: 50
TELEGRAPH RD
PoorOver: RIO HONDO RIV
0.5MI W/O PARAMOUNT BLVD, Los Angeles, CA
Built 1951 Load: 20.1 t ADT: 24,717
Showing 26,151-26,200 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.