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
LOS COCHES ROAD
FairOver: SPRECKELS CANAL
0.6 MI.S ARROYO SECO ROAD, Monterey, CA
Built 1940 Load: 26.9 t ADT: 580
STATE ROUTE 70
FairOver: NORTH FORK FEATHER RIVER
02-PLU-070-3.07, Plumas, CA
Built 1936 Load: 26.9 t ADT: 1,345
BECKWTH GRNVLE RD
FairOver: INDIAN CREEK
0.6 MI S BKWOTH GENESE RD, Plumas, CA
Built 1986 Load: 26.9 t ADT: 30
BECKWORTH GENESEE
FairOver: RED CLOVER CREEK
8.0 MI SE INDIAN CREEK RD, Plumas, CA
Built 1961 Load: 26.9 t ADT: 40
STATE ROUTE 51
FairOver: PRIVATE ROAD
03-SAC-051-3.14-SAC, Sacramento, CA
Built 1954 Load: 26.9 t ADT: 180,000
PARKSHORE DR
FairOver: WILLOW CREEK
0.2 MI E. OF FOLSOM BLVD, Sacramento, CA
Built 2000 Load: 26.9 t ADT: 800
INTERSTATE 15
FairOver: MOJAVE RIVER
08-SBD-015-43.86-VCTV, San Bernardino, CA
Built 1958 Load: 26.9 t ADT: 63,000
INTERSTATE 40
FairOver: SAGE WASH
08-SBD-040-150.25, San Bernardino, CA
Built 1967 Load: 26.9 t ADT: 7,450
INTERSTATE 5
FairOver: ALISO CREEK
11-SD-005-R59.62-OCN, San Diego, CA
Built 1967 Load: 26.9 t ADT: 66,000
INTERSTATE 5
FairOver: LAS PULGAS RD
11-SD-005-R62.08-OCN, San Diego, CA
Built 1967 Load: 26.9 t ADT: 65,000
INTERSTATE 5
FairOver: LAS PULGAS RD
11-SD-005-R62.08-OCN, San Diego, CA
Built 1967 Load: 26.9 t ADT: 65,000
STATE ROUTE 52 EB
FairOver: PARK
11-SD-052-1.93-SD, San Diego, CA
Built 1970 Load: 26.9 t ADT: 48,500
HARBOR DR
FairOver: CHOLLAS CREEK
0.18MI N/O 32ND ST, San Diego, CA
Built 1942 Load: 26.9 t ADT: 16,480
BRENNAN RD
FairOver: LONE TREE CREEK
0.1 MI S OF LONE TREE RD, San Joaquin, CA
Built 1926 Load: 26.9 t ADT: 289
STATE ROUTE 41
FairOver: HUER HUERO CREEK
05-SLO-041-28.05, San Luis Obispo, CA
Built 1962 Load: 26.9 t ADT: 700
TRAFFIC WAY
FairOver: ARROYO GRANDE CREEK
ARROYO GRANDE, San Luis Obispo, CA
Built 1932 Load: 26.9 t ADT: 9,600
TORO CREEK RD
FairOver: TORO CREEK
2.7 MI W SR 41, San Luis Obispo, CA
Built 1950 Load: 26.9 t ADT: 262
JALAMA RD
FairOver: JALAMA CREEK
12.13 MI WEST S.H. 1, Santa Barbara, CA
Built 1948 Load: 26.9 t ADT: 417
BLOSSOM HILL RD
FairOver: CANOAS CREEK
2.0 MI E ALMADEN EXP, Santa Clara, CA
Built 1962 Load: 26.9 t ADT: 20,400
W EVELYN ST
FairOver: STEVENS CREEK
NEAR SR 85, Santa Clara, CA
Built 1933 Load: 26.9 t ADT: 30,000
COMER WAY
FairOver: CALABAZAS CREEK
WEST OF PIERCE RD, Santa Clara, CA
Built 1971 Load: 26.9 t ADT: 460
VALENCIA RD
FairOver: VALENCIA CREEK
@ BEAR VALLEY ROAD, Santa Cruz, CA
Built 1935 Load: 26.9 t ADT: 3,000
TEXAS SPRINGS RD
FairOver: OLNEY CREEK
2.2 MI E SR 273-BRSTER RD, Shasta, CA
Built 1971 Load: 26.9 t ADT: 500
FAIRLANE ROAD
FairOver: YREKA CREEK
0.3 MI S/O SHARPS RD, Siskiyou, CA
Built 1970 Load: 26.9 t ADT: 1,081
HEALDSBURG AVE
FairOver: RUSSIAN RIVER OVERFLOW
INT OF BAILACHE AVE, Sonoma, CA
Built 1987 Load: 26.9 t ADT: 8,204
CAZADERO HWY
FairOver: AUSTIN CREEK
JUST S OF SCANLON RD, Sonoma, CA
Built 1956 Load: 26.9 t ADT: 1,550
RIVER ROAD
FairOver: HILLSIDE
1.6 MI E INTERCTN SR 116, Sonoma, CA
Built 1979 Load: 26.9 t ADT: 10,300
CHANNEL DRIVE
FairOver: SANTA ROSA CRK DIV CHAN
0.1 MI S OF MONTGOMERY DR, Sonoma, CA
Built 1959 Load: 26.9 t ADT: 500
OAKDALE-WATRFD HWY
FairOver: DRY CREEK
1.8 MI N/W STATE RTE 132, Stanislaus, CA
Built 1918 Load: 26.9 t ADT: 7,573
MONTPELIER ROAD
FairOver: HIGH LINE CANAL
1.85 MI NW OF KEYES RD, Stanislaus, CA
Built 1966 Load: 26.9 t ADT: 1,541
STATE ROUTE 3
FairOver: SCORPION CREEK
02-TRI-003-68.95, Trinity, CA
Built 1968 Load: 26.9 t ADT: 230
STATE ROUTE 3
FairOver: TRINITY RIVER
02-TRI-003-69.63, Trinity, CA
Built 1968 Load: 26.9 t ADT: 230
ROAD M192
FairOver: S FK OF MID FK OF TUL RI
.5 MI SE OF M193A, Tulare, CA
Built 1932 Load: 26.9 t ADT: 25
ALG WARDS FERRY RD
FairOver: BLANKET CREEK
0.9 MI W WARDS FERRY RD, Tuolumne, CA
Built 1936 Load: 26.9 t ADT: 55
STATE ROUTE 150
FairOver: HAPPY VALLEY DRAIN
07-VEN-150-R13.84, Ventura, CA
Built 1972 Load: 26.9 t ADT: 5,500
STATE ROUTE 65
FairOver: REEDS CREEK
03-YUB-065-R7.61, Yuba, CA
Built 1971 Load: 26.9 t ADT: 15,000
STATE ROUTE 65
FairOver: REEDS CREEK
03-YUB-065-R7.61, Yuba, CA
Built 1971 Load: 26.9 t ADT: 15,000
INTERSTATE 80
FairOver: BURIED WALKWAY
04-ALA-080-3.96-EMV, Alameda, CA
Built 1954 Load: 27.2 t ADT: 531,000
STATE ROUTE 70
FairOver: NORTH HONCUT CREEK
03-BUT-070-0.15, Butte, CA
Built 1941 Load: 27.2 t ADT: 11,700
MANZANITA AVE
FairOver: LINDO CHANNEL
BTW EAST AVE & HOOKER OAK, Butte, CA
Built 1968 Load: 27.2 t ADT: 11,900
EVANS RD
FairOver: TEHAMA-COLUSA CANAL
0.6 MI N HAHN RD, Colusa, CA
Built 1976 Load: 27.2 t ADT: 134
APPIAN WAY
FairOver: SAN PABLO CREEK
AT SAN PABLO DAM ROAD, Contra Costa, CA
Built 1938 Load: 27.2 t ADT: 11,492
CANAL ST
FairOver: HANGTOWN CREEK
50 FEET SOUTH OF U.S. 50, El Dorado, CA
Built 1954 Load: 27.2 t ADT: 6,500
E ANNADALE AVE
FairOver: KINGS RIVER
AT RIVERBEND AVENUE, Fresno, CA
Built 1962 Load: 27.2 t ADT: 4,200
E HUNTSMAN AVE
FairOver: TRAVERS CREEK
0.5 MI W ENGLEHART AVE, Fresno, CA
Built 1948 Load: 27.2 t ADT: 1,500
STATE ROUTE 111 SB
FairOver: CENTRAL MAIN CANAL
11-IMP-111-R2.70, Imperial, CA
Built 1965 Load: 27.2 t ADT: 17,000
STATE ROUTE 111 NB
FairOver: CENTRAL MAIN CANAL
11-IMP-111-R2.70, Imperial, CA
Built 1965 Load: 27.2 t ADT: 17,000
LOKERN ROAD
FairOver: CALIFORNIA AQUEDUCT
1.5 MI WEST OF HWY 58, Kern, CA
Built 1967 Load: 27.2 t ADT: 2,400
INTERSTATE 5
FairOver: SAN GABRIEL RIVER
07-LA-005-7.06-DNY, Los Angeles, CA
Built 1953 Load: 27.2 t ADT: 234,600
FLORENCE AVE
FairOver: RIO HONDO
1.0MI W/O PARAMOUNT BLVD, Los Angeles, CA
Built 1953 Load: 27.2 t ADT: 37,484
Showing 11,151-11,200 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.