Total Bridges
27,040
Public highway bridges in California
State profile · Below national median SD
California bridge safety
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in California — drawn straight from the FHWA National Bridge Inventory.
- 27,040
- Public bridges
- 32.5%
- Good condition
- 4.6%
- Poor condition
- 4.6%
- Structurally deficient
Good Condition
32.5%
8,777 bridges rated 7-9
-17.5pp vs 50% benchmark
Poor Condition
4.6%
1,244 bridges rated 0-4
Structurally Deficient
4.6%
1,244 bridges flagged for repair priority
-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 — Structurally deficient share 15.3%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Bridge inventory deck-condition mix - California (FHWA NBI)
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 on the structurally deficient leaderboard (lower share = better)
States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below California on the same metric.
39
Ohio
4.54% top marginal rate
34
New Jersey
4.59% top marginal rate
06
California
4.60% top marginal rate
05
Arkansas
4.71% top marginal rate
53
Washington
4.81% top marginal rate
Bridges Needing Most Attention in California
Six lowest-condition bridges in California, ranked by composite NBI rating. Each is inspected at least every 24 months.
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
Structurally DeficientOver: 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
VALLEY BLVD
FairOver: RIO HONDO
300FT W/O SANTA ANITA AVE, Los Angeles, CA
Built 1956 Load: 35.0 t ADT: 21,186
ROSECRANS AVE
FairOver: COYOTE CR NF
0.8MI W/O VALLEY VIEW AVE, Los Angeles, CA
Built 1960 Load: 35.0 t ADT: 29,859
EL MONTE AVE
FairOver: ARCADIA WASH
AT NAOMI AVE, Los Angeles, CA
Built 1955 Load: 35.0 t ADT: 5,950
STEARNS ST
FairOver: LOS CERRITOS DRA CHA
0.3MI W/O STUDEBAKER RD, Los Angeles, CA
Built 1954 Load: 35.0 t ADT: 11,330
GLENDORA AVE
FairOver: SAN DIMAS WASH
230FT N/O ARROW HWY, Los Angeles, CA
Built 1966 Load: 35.0 t ADT: 13,117
SAND CYN RD
FairOver: IRON CYN CRK
2.5MI S/O SOLEDAD CYN RD, Los Angeles, CA
Built 1970 Load: 35.0 t ADT: 3,325
HERMOSA DR
FairOver: RUBIO WASH
0.1MI W/O SAN GABRIEL BL, Los Angeles, CA
Built 1927 Load: 35.0 t ADT: 4,794
ECHELON AVE
FairOver: PUENTE CRK
0.1MI S/O AMAR RD, Los Angeles, CA
Built 1970 Load: 35.0 t ADT: 5,345
VLY FD FRNKLIN SCH
FairOver: ESTERO DE SAN ANTONIO
0.2 MI S WHITAKER BLUF RD, Marin, CA
Built 1964 Load: 35.0 t ADT: 100
SOUTHERN PACIFC AV
FairOver: BLACK RASCAL CANAL
0.4 MI N/W 16TH ST END, Merced, CA
Built 1964 Load: 35.0 t ADT: 50
NACIMIENTO ROAD
FairOver: SAN ANTONIO RIVER
SW GRAVEL PIT RES-S6B/16B, Monterey, CA
Built 1940 Load: 35.0 t ADT: 50
SR 90 (IMPERIAL)
FairOver: KELLOGG DRIVE
12-ORA-090-11.15-YBLN, Orange, CA
Built 1962 Load: 35.0 t ADT: 26,000
INTERSTATE 80 EB
FairOver: BIG BEND ROAD
03-PLA-080-R65.00R, Placer, CA
Built 1964 Load: 35.0 t ADT: 25,500
FRANKLIN BLVD
FairOver: NORTH FORK ELDER CREEK
0.5 MI NORTH OF MACK RD, Sacramento, CA
Built 1987 Load: 35.0 t ADT: 23,132
INTERSTATE 15 NB
FairOver: TELEPHONE WASH
08-SBD-015-R110.36, San Bernardino, CA
Built 1964 Load: 35.0 t ADT: 22,000
INTERSTATE 15 NB
FairOver: TONO DITCH
08-SBD-015-R123.11, San Bernardino, CA
Built 1965 Load: 35.0 t ADT: 37,500
RIALTO AVE
FairOver: BNSF RY,UP RR,AMTRAK,MET
1.4 MI W. OF I-215, San Bernardino, CA
Built 1961 Load: 35.0 t ADT: 10,200
INTERSTATE 580 EB
FairOver: UP RR & ACE
10-SJ-580-11.51, San Joaquin, CA
Built 1967 Load: 35.0 t ADT: 13,300
INTERSTATE 580 WB
FairOver: UP RR & ACE
10-SJ-580-11.51, San Joaquin, CA
Built 1967 Load: 35.0 t ADT: 13,300
INTERSTATE 580 EB
FairOver: VALLEY VIEW RD
10-SJ-580-11.30, San Joaquin, CA
Built 1966 Load: 35.0 t ADT: 13,300
ELLIOTT RD
FairOver: COYOTE CREEK
0.5 MI N OF LIBERTY RD, San Joaquin, CA
Built 1972 Load: 35.0 t ADT: 1,120
STATE ROUTE 1
FairOver: KERN AVE, CHORRO CREEK
05-SLO-001-21.14, San Luis Obispo, CA
Built 1942 Load: 35.0 t ADT: 19,000
STATE ROUTE 192
FairOver: SAN YSIDRO CREEK
05-SB-192-R9.68, Santa Barbara, CA
Built 1965 Load: 35.0 t ADT: 3,100
GLEN ARBOR RD
FairOver: LOVE CREEK
0.1 MI E OF HWY 9, Santa Cruz, CA
Built 1944 Load: 35.0 t ADT: 5,000
STATE ROUTE 44
FairOver: STILLWATER CREEK
02-SHA-044-R4.31, Shasta, CA
Built 1964 Load: 35.0 t ADT: 15,550
PLATINA RD
FairOver: NORTH FORK COTTONWOOD CR
4.5 MI W GAS PT RD, Shasta, CA
Built 1957 Load: 35.0 t ADT: 265
SCOTT RIVER ROAD
FairOver: SCOTT RIVER
1.2 MI SOUTH OF SR 96, Siskiyou, CA
Built 1967 Load: 35.0 t ADT: 186
GEYSERS RD
FairOver: BIG SULPHUR CREEK
18.6 MI N OF SH 128, Sonoma, CA
Built 1909 Load: 35.0 t ADT: 140
LAUGHLIN RD
FairOver: FIFE CREEK
0.1 MI W ARMSTRONG WDS RD, Sonoma, CA
Built 1956 Load: 35.0 t ADT: 602
PLEASANT AVE
FairOver: POOL CREEK
0.8 MI E OF OLD REDWOOD H, Sonoma, CA
Built 1925 Load: 35.0 t ADT: 2,000
FERGUSON RD
FairOver: JONIVE CREEK
0.15 MI N BODEGA HWY, Sonoma, CA
Built 1962 Load: 35.0 t ADT: 1,200
HIGHLAND TERRACE
FairOver: HILLSIDE
AT MESA WY, Sonoma, CA
Built 1983 Load: 35.0 t ADT: 100
FINK ROAD
FairOver: CALIFORNIA AQUEDUCT
0.43 MI E OF I-5, Stanislaus, CA
Built 1964 Load: 35.0 t ADT: 2,134
AVENUE 414
FairOver: SAND CREEK
0.1 MI E OF SR 63, Tulare, CA
Built 1954 Load: 35.0 t ADT: 350
AVE 272
FairOver: CAMERON CREEK
0.6 MI E OF SR 63, Tulare, CA
Built 1953 Load: 35.0 t ADT: 500
WINDING ROAD
FairOver: CLAVEY RIVER
NO DATA ENTERED, Tuolumne, CA
Built 1970 Load: 35.0 t ADT: 50
STATE ROUTE 33
FairOver: NORTH FORK MATILIJA CRK
07-VEN-033-16.13, Ventura, CA
Built 1947 Load: 35.0 t ADT: 570
STATE ROUTE 118
FairOver: ARROYO DEL TAPO CHANNEL
07-VEN-118-R26.80-SIMV, Ventura, CA
Built 1969 Load: 35.0 t ADT: 70,000
IVY ST
FairOver: LITTLE CHICO CREEK
BTWN 9TH & 11TH STS, Butte, CA
Built 1958 Load: 35.3 t ADT: 3,500
HICKS LANE
FairOver: SYCAMORE CREEK
0.5 MI N/O EATON RD, Butte, CA
Built 1962 Load: 35.3 t ADT: 3,000
ABEL ROAD
FairOver: COLUSA TROUGH
0.7 MI E OF OHM RD, Colusa, CA
Built 1966 Load: 35.3 t ADT: 83
N PIEDRA RD
FairOver: KINGS RIVER
JSO TRIMMER SPRINGS RD, Fresno, CA
Built 1953 Load: 35.3 t ADT: 1,000
BASS AVE
FairOver: MAIN LIFT CANAL
1.2 MI N/E OF SR 33, Fresno, CA
Built 1959 Load: 35.3 t ADT: 500
MENDOCINO AVE
FairOver: DOG CREEK
0.26 MI NORTH OF SH 168, Fresno, CA
Built 1934 Load: 35.3 t ADT: 200
COUNTY RD 306
FairOver: ELK CREEK
17.2 MI N COLUSA CO LINE, Glenn, CA
Built 1951 Load: 35.3 t ADT: 2,000
U.S. HIGHWAY 101
FairOver: TRINIDAD ROAD
01-HUM-101-100.71-TRND, Humboldt, CA
Built 1960 Load: 35.3 t ADT: 4,900
U.S. HIGHWAY 101
FairOver: SEAWOOD DR
01-HUM-101-R103.38, Humboldt, CA
Built 1970 Load: 35.3 t ADT: 4,200
U.S. HIGHWAY 395
FairOver: BROWN ROAD
09-KER-395-R25.08, Kern, CA
Built 1966 Load: 35.3 t ADT: 5,850
21ST AVE
FairOver: KINGS RIVER (CLARKS FK)
S/O FAIRFAX AVE, Kings, CA
Built 1976 Load: 35.3 t ADT: 500
CR316 (MCCLELLAND)
FairOver: NORTH FORK DILL SLOUGH
0.2 MI N OF CR 304, Lassen, CA
Built 1978 Load: 35.3 t ADT: 50
Showing 15,201-15,250 of 27,040 bridges
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.
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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.
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.