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
ROAD M10
GoodOver: BEAR CREEK
24 MI. N.E. OF UPPERLAKE, Lake, CA
Built 1973 Load: 30.1 t ADT: 20
INTERSTATE 5 SB
GoodOver: CASTAIC CREEK
07-LA-005-R56.26, Los Angeles, CA
Built 1968 Load: 30.1 t ADT: 54,420
INTERSTATE 210 EB
GoodOver: ABANDONED RR ROW
07-LA-210-R29.09-PAS, Los Angeles, CA
Built 1976 Load: 30.1 t ADT: 269,000
FIRESTONE BLVD S
GoodOver: COYOTE CRK
0.8MI E/O VALLEY VIEW AVE, Los Angeles, CA
Built 1950 Load: 30.1 t ADT: 3,556
LAS TUNAS DR
GoodOver: ARCADIA WASH
0.1MI E/O EL MONTE AVE, Los Angeles, CA
Built 1955 Load: 30.1 t ADT: 21,836
PECK RD
GoodOver: SAN GABRIEL RIV
0.3MI S/O SR-60 FWY, Los Angeles, CA
Built 1952 Load: 30.1 t ADT: 14,317
SOMERSET BLVD
GoodOver: LOS ANGELES RIV
0.1MI E/O I-710 FWY, Los Angeles, CA
Built 1976 Load: 30.1 t ADT: 21,024
WARDLOW RD
GoodOver: EL DORADO PARK E ACSS RD
0.8MI W/O I-605 FWY, Los Angeles, CA
Built 1963 Load: 30.1 t ADT: 19,186
GARZOTA DR
GoodOver: DRY CYN CHAN
0.3MI W/O SECO CYN RD, Los Angeles, CA
Built 1972 Load: 30.1 t ADT: 1,789
PAMPLICO DR
GoodOver: DRY CYN CHAN
0.1MI W/O SECO CYN RD, Los Angeles, CA
Built 1972 Load: 30.1 t ADT: 5,831
SR 39 (BEACH BLVD)
GoodOver: PARKING LOT ACCESS
12-ORA-039-13.51-BPK, Orange, CA
Built 1960 Load: 30.1 t ADT: 59,000
STINSON STREET
GoodOver: CARBON CREEK CHANNEL
0.1 MI. S/O LINCOLN AVE., Orange, CA
Built 1959 Load: 30.1 t ADT: 120
BOWMAN ROAD
GoodOver: UP RR, BNSF RY, & AMTRAK
0.1 MI S. OLD AIRPORT RD., Placer, CA
Built 1949 Load: 30.1 t ADT: 6,032
INTERSTATE 10 WB
GoodOver: ECHO DITCH
08-RIV-010-R62.62-COA, Riverside, CA
Built 1964 Load: 30.1 t ADT: 11,250
INTERSTATE 10 EB
GoodOver: ECHO DITCH
08-RIV-010-R62.62-COA, Riverside, CA
Built 1964 Load: 30.1 t ADT: 11,250
INTERSTATE 15 SB
GoodOver: HORSETHIEF CYN RD
08-RIV-015-28.87, Riverside, CA
Built 1980 Load: 30.1 t ADT: 61,000
HOBSON WAY
GoodOver: "C" CANAL
0.52 MI. W/O LOVEKIN BLVD, Riverside, CA
Built 1948 Load: 30.1 t ADT: 3,000
INTERSTATE 5 NB
GoodOver: LOST SLOUGH
03-SAC-005-1.04, Sacramento, CA
Built 1979 Load: 30.1 t ADT: 26,500
STOCKTON BLVD
GoodOver: ELDER CREEK
0.1 MI S OF GERBER RD, Sacramento, CA
Built 1924 Load: 30.1 t ADT: 36,051
INTERSTATE 215 SB
GoodOver: DEVIL CREEK
08-SBD-215-12.82-SBD, San Bernardino, CA
Built 1958 Load: 30.1 t ADT: 35,500
STATE ROUTE 18
GoodOver: HILLSIDE
08-SBD-018-R12.68, San Bernardino, CA
Built 1969 Load: 30.1 t ADT: 16,800
STATE HIGHWAY 138
GoodOver: SEELEY CREEK
08-SBD-138-R29.96, San Bernardino, CA
Built 1970 Load: 30.1 t ADT: 1,500
NAT TRAILS HWY
GoodOver: TEVIOT DITCH
22.5 MI E KELBAKER RD, San Bernardino, CA
Built 1948 Load: 30.1 t ADT: 502
FORT IRWIN ROAD
GoodOver: STORM DRAINAGE
0.3 MI. N OF NASA ROAD, San Bernardino, CA
Built 1986 Load: 30.1 t ADT: 6,760
FORT IRWIN RD
GoodOver: STORM DRAINAGE
0.5 MI. NE CABLE RTE, San Bernardino, CA
Built 1986 Load: 30.1 t ADT: 6,760
INTERSTATE 5
GoodOver: ALISO CREEK
11-SD-005-R59.62-OCN, San Diego, CA
Built 1967 Load: 30.1 t ADT: 66,000
LOS TERRENITOS F47
GoodOver: SWEETWATER RIVER
175 FT W/O SR 79, San Diego, CA
Built 1917 Load: 30.1 t ADT: 300
DEHESA RD
GoodOver: NORTH FORK SWEETWATER RI
2.8 MI W TAVERN RD, San Diego, CA
Built 1989 Load: 30.1 t ADT: 7,169
THIRD ST
GoodOver: CHINA BASIN
S OF BERRY ST, San Francisco, CA
Built 1932 Load: 30.1 t ADT: 25,000
JACK TONE RD
GoodOver: BEAR CREEK
0.3 MI S BRANDT RD, San Joaquin, CA
Built 1962 Load: 30.1 t ADT: 2,514
STATE ROUTE 1 SB
GoodOver: OLD CREEK
05-SLO-001-34.46, San Luis Obispo, CA
Built 1961 Load: 30.1 t ADT: 6,250
STATE ROUTE 1
GoodOver: GAZOS CREEK
04-SM-001-5.73, San Mateo, CA
Built 1958 Load: 30.1 t ADT: 4,400
STATE ROUTE 84
GoodOver: LA HONDA CREEK
04-SM-084-8.10, San Mateo, CA
Built 1957 Load: 30.1 t ADT: 1,400
STATE ROUTE 192
GoodOver: BUENA VISTA CREEK
05-SB-192-10.53, Santa Barbara, CA
Built 1968 Load: 30.1 t ADT: 3,100
TURNPIKE ROAD
GoodOver: SAN ANTONIO CREEK
@ CATHEDRAL OAKS RD, Santa Barbara, CA
Built 1976 Load: 30.1 t ADT: 1,171
GOVER ROAD
GoodOver: BATTLE CREEK OVERFLOW
0.1 MI N TEHAMA CO LINE, Shasta, CA
Built 1961 Load: 30.1 t ADT: 536
EDGEWOOD RD
GoodOver: SHASTA RIVER
0.1 MI E SLOUGH RD, Siskiyou, CA
Built 1969 Load: 30.1 t ADT: 395
INTERSTATE 780 EB
GoodOver: ACCESS ROAD
04-SOL-780-1.23-BEN, Solano, CA
Built 1962 Load: 30.1 t ADT: 23,500
ROCKPILE ROAD
GoodOver: WARM SPRINGS CREEK
3.5 MI JCT DUTCHER CRK RD, Sonoma, CA
Built 1978 Load: 30.1 t ADT: 1,650
PARKS CREEK
GoodOver: LITTLE TRINITY RIVER
NO DATA ENTERED, Trinity, CA
Built 1974 Load: 30.1 t ADT: 50
D 180
GoodOver: PACKWOOD CANAL
.67 MI NE OF R180, Tulare, CA
Built 1956 Load: 30.1 t ADT: 100
AVE 228
GoodOver: LEWIS CREEK
0.4 MI E OF RD 228, Tulare, CA
Built 1950 Load: 30.1 t ADT: 600
ROAD 142
GoodOver: PORTER SLOUGH
0.5 MI S OF AVE 192, Tulare, CA
Built 1956 Load: 30.1 t ADT: 50
U.S. HIGHWAY 101
GoodOver: HILLSIDE
07-VEN-101-4.58-THOK, Ventura, CA
Built 1982 Load: 30.1 t ADT: 192,000
SANTA ANA BL
GoodOver: VENTURA RIVER
0.5 MI W/O SR 33, Ventura, CA
Built 1960 Load: 30.1 t ADT: 2,500
SANTA CLARA AVE
GoodOver: SANTA CLARA AVE DRAIN
0.9 MI N/E US ROUTE 101, Ventura, CA
Built 1929 Load: 30.1 t ADT: 12,100
STATE ROUTE 99 SB
GoodOver: EDGAR SLOUGH
03-BUT-099-30.03, Butte, CA
Built 1989 Load: 30.5 t ADT: 14,125
BYRON HWY
GoodOver: E CONTRA COSTA ID CANAL
0.5 MI NORTH OF SR 4, Contra Costa, CA
Built 1968 Load: 30.5 t ADT: 3,727
THIRD ST
GoodOver: RODEO CREEK
JUST E RAILROAD AVE, Contra Costa, CA
Built 1965 Load: 30.5 t ADT: 725
U.S. HIGHWAY 199
GoodOver: PATRICK CREEK
01-DN-199-R22.07, Del Norte, CA
Built 1965 Load: 30.5 t ADT: 3,750
Showing 19,601-19,650 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.