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
ROUTE 103
GoodOver: GRADED EARTH GROUND
07-LA-103-0.01-LA, Los Angeles, CA
Built 2016 Load: 32.4 t ADT: 14,400
INTERSTATE 5
GoodOver: N.FK COYOTE CREEK, BIKE
07-LA-005-1.48-SFSP, Los Angeles, CA
Built 2015 Load: 32.4 t ADT: 164,000
ROUTE 5
GoodOver: COYOTE CREEK
07-LA-005-0.34-LMRD, Los Angeles, CA
Built 2022 Load: 32.4 t ADT: 169,000
S/B OFF-RAMP
GoodOver: ROUTE 5
07-LA-005-1.23-SFSP, Los Angeles, CA
Built 2022 Load: 32.4 t ADT: 3,280
S/B ON-RAMP
GoodOver: ROUTE 5
07-LA-005-1.14-LMRD, Los Angeles, CA
Built 2022 Load: 32.4 t ADT: 3,380
SR 134,RIVERSID DR
GoodOver: BUENA VISTA PARK CHANNEL
07-LA-134-2.82-BRB, Los Angeles, CA
Built 1959 Load: 32.4 t ADT: 227,000
SB INTERSTATE 5
GoodOver: BURIED BOX CULVERT
07-LA-005-3.98-NWK, Los Angeles, CA
Built 2015 Load: 32.4 t ADT: 87,500
ROUTE 5
GoodOver: STOUGH CANYON
07-LA-005-29.78, Los Angeles, CA
Built 2021 Load: 32.4 t ADT: 239,000
INTERSTATE 5
GoodOver: BURBANK WESTERN CHANNEL
07-LA-005-30.08-BRB, Los Angeles, CA
Built 2019 Load: 32.4 t ADT: 23,900
SB 101 ONRAMP
GoodOver: GRADED EARTH
07-LA-101-9.61-LA, Los Angeles, CA
Built 2016 Load: 32.4 t ADT: 20,000
STATE ROUTE 39
GoodOver: SAN GABRIEL CANYON
07-LA-039-21.67, Los Angeles, CA
Built 2016 Load: 32.4 t ADT: 850
BELLFLOWER BLVD
GoodOver: BOUTON CRK
0.1MI S/O ATHERTON ST, Los Angeles, CA
Built 1955 Load: 32.4 t ADT: 24,698
DALY ST
GoodOver: UP RR,AMTRAK,ALHAMBRA BL
0.2 MI S/O MAIN STREET, Los Angeles, CA
Built 1982 Load: 32.4 t ADT: 16,976
AGOURA RD
GoodOver: MEDEA CRK
0.3MI E/O KANAN RD, Los Angeles, CA
Built 1920 Load: 32.4 t ADT: 8,910
OLIVE AVE FRNTGE R
GoodOver: BURBANK WESTERN CHAN
0.1MI W/O I-5 FWY, Los Angeles, CA
Built 1949 Load: 32.4 t ADT: 510
ANAHEIM RD
GoodOver: LOS CERRITOS DRN
300FT W/O STUDEBAKER RD, Los Angeles, CA
Built 1984 Load: 32.4 t ADT: 11,330
DEL AMO BLVD
GoodOver: CLARK AVE DRN
0.6MI E/O LAKEWOOD BLVD, Los Angeles, CA
Built 1977 Load: 32.4 t ADT: 21,081
WORKMAN MILL RD
GoodOver: SAN JOSE CRK
0.3MI N/O SR-60 FWY, Los Angeles, CA
Built 1952 Load: 32.4 t ADT: 30,070
FIRESTONE BLVD
GoodOver: LONGVEST DRN
0.8MI E/O I-605 FWY, Los Angeles, CA
Built 1954 Load: 32.4 t ADT: 25,262
CENTINELA AVE
GoodOver: CENTINELLA CRK CHAN
100FT E/O SR-405 FWY, Los Angeles, CA
Built 1963 Load: 32.4 t ADT: 26,250
LAUREL CANYON BLVD
GoodOver: PACOIMA WASH
BTWN PAXTN ST/CHAMBLN ST, Los Angeles, CA
Built 1954 Load: 32.4 t ADT: 33,235
ALOSTA AVE
GoodOver: LITTLE DALTON WASH
0.8MI E/O AZUSA AVE, Los Angeles, CA
Built 1960 Load: 32.4 t ADT: 11,900
AVE I
GoodOver: AMARGOSA DRN
200FT E/O SR-14 FWY, Los Angeles, CA
Built 1968 Load: 32.4 t ADT: 25,064
DEVONSHIRE ST
GoodOver: BROWNS CANYON WASH
AT CANOGA AVE, Los Angeles, CA
Built 1974 Load: 32.4 t ADT: 33,672
ARROW HWY
GoodOver: MARSHALL CYN WASH
1.2MI W/O WHITE AVE, Los Angeles, CA
Built 1967 Load: 32.4 t ADT: 22,880
LEFFINGWELL RD
GoodOver: COYOTE CRK NF
0.3MI N/O IMPERIAL HWY, Los Angeles, CA
Built 1961 Load: 32.4 t ADT: 19,740
SOLEDAD CYN RD
GoodOver: SANTA CLARA RIV
4.0MI E/O BOUQUET CYN RD, Los Angeles, CA
Built 1973 Load: 32.4 t ADT: 43,000
SHERMAN WAY
GoodOver: BROWNS CREEK
0.4 M E/O DE SOTO AVE, Los Angeles, CA
Built 1971 Load: 32.4 t ADT: 32,000
BOUQUET CYN RD
GoodOver: PLUM CYN CHAN
3.0MI N/O SOLEDAD CYN RD, Los Angeles, CA
Built 1967 Load: 32.4 t ADT: 27,396
SOLEDAD CYN RD
GoodOver: MAHER CYN CR
3.3MI E/O AGUA DULCE CYN, Los Angeles, CA
Built 1949 Load: 32.4 t ADT: 2,550
SANTA ANITA AVE
GoodOver: SIERRA MADRE WASH
0.8MI N/O I-210 FWY, Los Angeles, CA
Built 1960 Load: 32.4 t ADT: 10,506
TERRA BELLA ST
GoodOver: PACOIMA DIVERSION CHAN
0.1 MI WEST OF ARLETA AVE, Los Angeles, CA
Built 1954 Load: 32.4 t ADT: 14,256
BREA CYN RD
GoodOver: DIAMOND BAR CRK
0.2MI N/O LYCOMING ST, Los Angeles, CA
Built 1980 Load: 32.4 t ADT: 16,135
LA PUENTE RD
GoodOver: LEMON CRK
200FT E/O LEMON AVE, Los Angeles, CA
Built 1981 Load: 32.4 t ADT: 5,871
LEMON AVE
GoodOver: LEMON CRK
0.4MI N/O VALLEY BLVD, Los Angeles, CA
Built 1976 Load: 32.4 t ADT: 9,064
VALYERMO RD
GoodOver: PALLETT CRK
0.1MI E/O PALLETT CR RD, Los Angeles, CA
Built 1926 Load: 32.4 t ADT: 1,530
DEL AMO BLVD
GoodOver: DOWNEY AVE DRN
0.4MI W/O LAKEWOOD BLVD, Los Angeles, CA
Built 1953 Load: 32.4 t ADT: 29,969
WARDLOW RD
GoodOver: COYOTE CRK
0.8MI E/O I-605 FWY, Los Angeles, CA
Built 1955 Load: 32.4 t ADT: 16,748
DUDLEY ST
GoodOver: SAN JOSE CRK
0.5MI N/O HOLT AVE, Los Angeles, CA
Built 1957 Load: 32.4 t ADT: 7,200
BADILLO ST
GoodOver: CHARTER OAK WASH
0.1MI W/O BARRANCA AVE, Los Angeles, CA
Built 1965 Load: 32.4 t ADT: 19,784
MARINE AVE
GoodOver: DOMINGUEZ CHAN
0.2MI W/O CRENSHAW BL, Los Angeles, CA
Built 1961 Load: 32.4 t ADT: 19,623
MANHATTAN BCH BLVD
GoodOver: DOMINGUEZ CHAN
0.5MI W/O CRENSHAW BLVD, Los Angeles, CA
Built 1961 Load: 32.4 t ADT: 21,942
HARDWICK ST
GoodOver: DOWNEY AVE DRN
0.5MI W/O LAKEWOOD BLVD, Los Angeles, CA
Built 1959 Load: 32.4 t ADT: 4,379
STUDEBAKER RD
GoodOver: GRIDLEY DRN
0.3MI S/O DEL AMO BLVD, Los Angeles, CA
Built 1962 Load: 32.4 t ADT: 28,629
FOOTHILL BLVD
GoodOver: EATON WASH
E/O SAN GABRIEL BLVD, Los Angeles, CA
Built 1972 Load: 32.4 t ADT: 21,012
MONTROSE AVE
GoodOver: PICKENS CYN CHAN
0.2MI W/O BRIGGS AVE, Los Angeles, CA
Built 1936 Load: 32.4 t ADT: 8,273
VERMONT/TORRANCE
GoodOver: TORRANCE LATERAL CHAN
0.8MI N/O CARSON ST, Los Angeles, CA
Built 1961 Load: 32.4 t ADT: 30,680
KANAN RD
GoodOver: TRIUNFO CR
3.0MI S/O US-101 FWY, Los Angeles, CA
Built 1962 Load: 32.4 t ADT: 6,592
SANTA GERTRUDES
GoodOver: LA MIRADA CHAN
0.4MI N/O IMPERIAL HWY, Los Angeles, CA
Built 1962 Load: 32.4 t ADT: 17,544
BONITA AVE
GoodOver: THOMPSON CRK
0.5MI W/O GAREY AVE, Los Angeles, CA
Built 1965 Load: 32.4 t ADT: 10,200
Showing 20,951-21,000 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.