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
US HIGHWAY 101 NB
FairOver: TORO CREEK
05-SB-101-R6.79, Santa Barbara, CA
Built 1952 Load: 51.8 t ADT: 37,500
STATE ROUTE 128
FairOver: BIDWELL CREEK
04-SON-128-24.01, Sonoma, CA
Built 1977 Load: 51.8 t ADT: 2,650
E JEFFERSON AVE
FairOver: REEDLEY MAIN CANAL
0.1 MI W OF ENGLEHART AVE, Fresno, CA
Built 1945 Load: 52.2 t ADT: 325
U.S. HIGHWAY 395
FairOver: EVANS CANYON RD
02-LAS-395-R0.10, Lassen, CA
Built 1976 Load: 52.2 t ADT: 4,600
MULHOLLAND HWY
FairOver: MEDEA CR
2.0MI S/O US-101 FWY, Los Angeles, CA
Built 1955 Load: 52.2 t ADT: 816
DEL AMO BLVD
FairOver: LOS ANGELES RIV
0.1MI E/O I-710 FWY, Los Angeles, CA
Built 1958 Load: 52.2 t ADT: 33,708
MOUNTAIN ST
FairOver: VERDUGO WA
0.1MI W/O VERDUGO RD, Los Angeles, CA
Built 1936 Load: 52.2 t ADT: 12,051
BERKSHIRE PL
FairOver: FLNT CYN CHAN / EQ T
0.2MI W/O I-210 FWY, Los Angeles, CA
Built 1924 Load: 52.2 t ADT: 3,672
VOLTA ROAD
FairOver: OUTSIDE CANAL
0.8 MI S HWY 152, Merced, CA
Built 1960 Load: 52.2 t ADT: 1,280
METZ RD
FairOver: CHALONE CREEK
1.1 MI N OF ELM AVE, Monterey, CA
Built 1976 Load: 52.2 t ADT: 940
LEE STREET
FairOver: CARBONERA CREEK
NORTH OF HWY 1, Santa Cruz, CA
Built 1977 Load: 52.2 t ADT: 3,200
CR #27
FairOver: UNION SCHOOL SLOUGH
0.57 MI W/O CR #88, Yolo, CA
Built 1955 Load: 52.2 t ADT: 133
INTERSTATE 5
FairOver: MISSION ROAD
07-LA-005-18.78-LA, Los Angeles, CA
Built 1959 Load: 52.5 t ADT: 243,652
GOLDEN STATE DR
FairOver: BERENDA CREEK
0.6 MI S OF AVE 20, Madera, CA
Built 1980 Load: 52.5 t ADT: 500
WALNUT AVENUE
FairOver: LIVINGSTON CANAL
0.57 MI E CENTRAL AVE, Merced, CA
Built 1978 Load: 52.5 t ADT: 3,931
ELK STREET
FairOver: STETSON CHANNEL
25' N/O STETSON AVENUE, Riverside, CA
Built 1975 Load: 52.5 t ADT: 2,000
CRESTRIDGE DRIVE
FairOver: RCTC & BNSF RY
0.1 MI. N/O GREEN RIVR RD, Riverside, CA
Built 1985 Load: 52.5 t ADT: 1,000
JACKTONE RD
FairOver: SOUTH FORK COYOTE CREEK
0.2 MI N OF LIBERTY ROAD, San Joaquin, CA
Built 1976 Load: 52.5 t ADT: 117
INTERSTATE 280 NB
FairOver: CRYSTAL SPRINGS OFF-RAMP
04-SM-280-R20.04-SBR, San Mateo, CA
Built 1967 Load: 52.5 t ADT: 49,500
TIMM ROAD
FairOver: SWEENEY CREEK
1.5 MI W/O I-505, Solano, CA
Built 1981 Load: 52.5 t ADT: 2,512
COUNTRY CLUB DRIVE
FairOver: SULFER SPRINGS CREEK
0.1 MI E OF HIDDENBROOKE, Solano, CA
Built 2002 Load: 52.5 t ADT: 300
ENSLEY ROAD
FairOver: ROBBINS (DRAINAGE) CANAL
0.01 MI E RECLAMATION RD, Sutter, CA
Built 1978 Load: 52.5 t ADT: 102
STATE ROUTE 118
FairOver: SYCAMORE DR
07-VEN-118-R25.81-SIMV, Ventura, CA
Built 1969 Load: 52.5 t ADT: 70,000
STATE ROUTE 86 SB
FairOver: BARLEY DITCH
11-IMP-086-44.79, Imperial, CA
Built 1988 Load: 52.8 t ADT: 5,600
W 2ND ST
FairOver: NEW RIVER
0.25 MI W/O SR 111, Imperial, CA
Built 1973 Load: 52.8 t ADT: 2,500
STATE ROUTE 14 NB
FairOver: 10TH STREET WEST
07-LA-014-R61.77-PMDL, Los Angeles, CA
Built 1972 Load: 52.8 t ADT: 44,500
NORDHOFF PLACE
FairOver: LIMEKILN CREEK CHANNEL
0.15 M W/O CORBIN AVE, Los Angeles, CA
Built 1982 Load: 52.8 t ADT: 3,262
PRAIRIE ST
FairOver: LIMEKILN CANYON WASH
0.1 W/O CORBIN AVE, Los Angeles, CA
Built 1982 Load: 52.8 t ADT: 4,830
DOBIE RD
FairOver: TURNER CREEK
0.20 MI S CR 327-A, Mendocino, CA
Built 1979 Load: 52.8 t ADT: 210
GURR ROAD
FairOver: BEAR CREEK
0.04 MI N WARDROBE AVENUE, Merced, CA
Built 1985 Load: 52.8 t ADT: 400
BLANCO RD
FairOver: SALINAS RIVER
1 MI NE RESERVATION RD, Monterey, CA
Built 1971 Load: 52.8 t ADT: 26,300
MURRIETA HOT SP RD
FairOver: WARM SPRINGS CREEK
0.9 MI. E/O ROUTE 215 FWY, Riverside, CA
Built 1973 Load: 52.8 t ADT: 28,462
PADARO LANE
FairOver: UP RR & AMTRAK
S OF US 101, Santa Barbara, CA
Built 1968 Load: 52.8 t ADT: 962
DEER CR RD
FairOver: DEER CREEK
0.4 MI E PAGE MILL RD, Santa Clara, CA
Built 1970 Load: 52.8 t ADT: 2,000
MCADAMS CREEK RD
FairOver: MOFFETT CREEK
0.25 MI N SR 3, Siskiyou, CA
Built 1978 Load: 52.8 t ADT: 256
BLUE SLIDE ROAD
FairOver: PRICE CREEK
3.9 MI NW OF U.S.101, Humboldt, CA
Built 1959 Load: 53.1 t ADT: 302
STATE ROUTE 41 SB
FairOver: NORTH FORK KINGS RIVER
06-KIN-041-R47.16, Kings, CA
Built 1976 Load: 53.1 t ADT: 8,800
NORUMBEGA DR
FairOver: SAWPIT WASH
1.8MI N/O I-10 FWY, Los Angeles, CA
Built 1972 Load: 53.1 t ADT: 1,818
VINEYARD AVENUE
FairOver: CUCAMONGA CREEK CHANNEL
0.8 MI S OF ROUTE 66, San Bernardino, CA
Built 1980 Load: 53.1 t ADT: 23,523
BROWNS VALLEY RD
FairOver: BROWNS CREEK
2.2 MI N EUREKA CANYON RD, Santa Cruz, CA
Built 1988 Load: 53.1 t ADT: 1,000
RIVER RD
FairOver: HILLSIDE
0.1 MI E/O CANYON 7 RD., Sonoma, CA
Built 1971 Load: 53.1 t ADT: 10,300
ANNAPOLIS ROAD
FairOver: LITTLE FULLER CREEK
9.5 MI E/O SR 1, Sonoma, CA
Built 1976 Load: 53.1 t ADT: 400
STARBOARD DRIVE
FairOver: FLOOD CONTROL CH. LINE E
0.2MI NW OF FREMONT BLVD, Alameda, CA
Built 1987 Load: 53.5 t ADT: 300
OPHIR RD
FairOver: UP RR & BNSF RY
1.1 MI E SH 70, Butte, CA
Built 1962 Load: 53.5 t ADT: 6,808
INTERSTATE 405
FairOver: LENNOX BLVD
07-LA-405-21.74-LA, Los Angeles, CA
Built 1963 Load: 53.5 t ADT: 272,600
INTERSTATE 405
FairOver: MCDONALD STREET
07-LA-405-26.45-CLC, Los Angeles, CA
Built 1960 Load: 53.5 t ADT: 294,000
WHITE OAK AVE
FairOver: LOS ANGELES RIVER
1.0 MI NORTH OF U.S. 101, Los Angeles, CA
Built 1960 Load: 53.5 t ADT: 39,549
VINCENT AVE
FairOver: BIG DALTON WASH
0.5MI S/O ARROW HWY, Los Angeles, CA
Built 1959 Load: 53.5 t ADT: 13,838
SAN FERNANDO RD
FairOver: ARROYO SECO CHANNEL
BTW LACY ST/PASADENA FWY, Los Angeles, CA
Built 1913 Load: 53.5 t ADT: 19,200
GURR ROAD
FairOver: OWENS CREEK
3.4 MI N SANDY MUSH RD, Merced, CA
Built 1975 Load: 53.5 t ADT: 500
Showing 16,601-16,650 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.