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
STATE ROUTE 154
GoodOver: SANTA INEZ RIVER
05-SB-154-R10.12, Santa Barbara, CA
Built 1971 Load: 44.1 t ADT: 14,500
REFUGIO ROAD
GoodOver: SANTA YNEZ RIVER
1.52 MI S SR 246, Santa Barbara, CA
Built 1985 Load: 44.1 t ADT: 1,303
INTERSTATE 5
GoodOver: DUNSMUIR AVE
02-SIS-005-3.84-DMR, Siskiyou, CA
Built 1976 Load: 44.1 t ADT: 19,200
SAN BENITO AVE
GoodOver: ELDER CREEK
AT WORTHINGTON AVE, Tehama, CA
Built 1950 Load: 44.1 t ADT: 600
STATE ROUTE 70
GoodOver: YUBA RIVER, UP RR SPUR
03-YUB-070-13.60, Yuba, CA
Built 1960 Load: 44.1 t ADT: 37,500
STATE ROUTE 88
GoodOver: WEST FORK CARSON RIVER
10-ALP-088-17.76, Alpine, CA
Built 1963 Load: 44.4 t ADT: 3,200
STATE ROUTE 70
GoodOver: UP RR & BNSF RY
03-BUT-070-26.99, Butte, CA
Built 1958 Load: 44.4 t ADT: 2,550
HAMILTON CANA HWY
GoodOver: ROCK CREEK OVERFLOW CHNL
3.04 MI N OF SH 32, Butte, CA
Built 1966 Load: 44.4 t ADT: 694
COUNTY RD 'D'
GoodOver: WILSON CREEK
0.5 MI SOUTH OF RD #33, Glenn, CA
Built 1982 Load: 44.4 t ADT: 315
PINE CREEK RD
GoodOver: PINE CREEK
4 MI W OF RTE 395 JCT, Inyo, CA
Built 1983 Load: 44.4 t ADT: 205
GARDNER FIELD ROAD
GoodOver: SANDY CREEK
0.9 MI E DUVALL ST, Kern, CA
Built 1973 Load: 44.4 t ADT: 1,072
STATE ROUTE 27
GoodOver: SANTA SUSANA CREEK
07-LA-027-17.01-LA, Los Angeles, CA
Built 1964 Load: 44.4 t ADT: 35,250
INTERSTATE 405
GoodOver: NORDHOFF STREET
07-LA-405-44.74-LA, Los Angeles, CA
Built 1963 Load: 44.4 t ADT: 216,000
WILEY CYN RD
GoodOver: PICO CYN CHAN
1MI N/O LYONS AVE, Los Angeles, CA
Built 1971 Load: 44.4 t ADT: 19,468
PALLETT CRK RD
GoodOver: EVANS WASH
0.1MI S/O BIG PINES HWY, Los Angeles, CA
Built 1949 Load: 44.4 t ADT: 102
SAN MRTNZ GRAN CYN
GoodOver: SAN MRTNZ GRANDE CYN CRK
1.8MI N/O SR-126 HWY, Los Angeles, CA
Built 1949 Load: 44.4 t ADT: 204
CORBIN AVE
GoodOver: LIMEKILM CHANNEL
0.2 MI N NORDOFF ST, Los Angeles, CA
Built 1964 Load: 44.4 t ADT: 54,215
CULVER BLVD
GoodOver: SEPULVEDA CHANNEL
0.35 MI SW FWY405, Los Angeles, CA
Built 1951 Load: 44.4 t ADT: 19,145
URBANDALE AVE
GoodOver: BOUQUET CYN CHAN
0.3MI N/O BOUQUET CYN RD, Los Angeles, CA
Built 1966 Load: 44.4 t ADT: 4,896
Baseline Road
GoodOver: Thompson Creek
0.1 MI NORTH OF 210, Los Angeles, CA
Built 1998 Load: 44.4 t ADT: 24,624
DEVLIN ROAD
GoodOver: SOSCOL CREEK
0.2 MI E SOSCOL FERRY RD, Napa, CA
Built 1981 Load: 44.4 t ADT: 499
MEADOWBROOK DRIVE
GoodOver: BROWNS VALLEY CREEK
JUST S OF TALL GRASS DR, Napa, CA
Built 2007 Load: 44.4 t ADT: 1
SR 241 SB
GoodOver: OAK CANYON WILDLIFE
12-ORA-241-34.81-ANA, Orange, CA
Built 1998 Load: 44.4 t ADT: 41,000
WINDING ROAD
GoodOver: WALLACE CREEK
NO DATA ENTERED, Placer, CA
Built 1965 Load: 44.4 t ADT: 50
INTERSTATE 40
GoodOver: "S" STREET CHANNNEL
08-SBD-040-R141.47-NED, San Bernardino, CA
Built 1973 Load: 44.4 t ADT: 7,350
MORENO STREET
GoodOver: SAN ANTONIO CREEK CHAN
0.25 MI E L A CO LINE, San Bernardino, CA
Built 1958 Load: 44.4 t ADT: 4,300
BASELINE ROAD
GoodOver: DEER CREEK CHANNEL
0.2 MI E HAVEN AVE, San Bernardino, CA
Built 1984 Load: 44.4 t ADT: 21,500
BASELINE ROAD
GoodOver: DEER CREEK CHANNEL
0.2 MI E HAVEN AVE, San Bernardino, CA
Built 1982 Load: 44.4 t ADT: 21,500
INTERSTATE 5
GoodOver: CAMP PENDLETON
11-SD-005-R54.39-OCN, San Diego, CA
Built 1971 Load: 44.4 t ADT: 78,000
INTERSTATE 5
GoodOver: INDIA STREET
11-SD-005-R17.28-SD, San Diego, CA
Built 1962 Load: 44.4 t ADT: 189,000
ALMADEN EXPWY
GoodOver: GUADALUPE RIVER
0.01 MI N LINCOLN AVE, Santa Clara, CA
Built 1973 Load: 44.4 t ADT: 40,840
CASSEL ROAD
GoodOver: HAT CREEK
3.4 MI NE OF SR 89, Shasta, CA
Built 1930 Load: 44.4 t ADT: 230
N680-E80 CONNECTOR
GoodOver: GREEN VALLEY CREEK
04-SOL-680-13.12-FRFD, Solano, CA
Built 1961 Load: 44.4 t ADT: 32,500
HYAMPOM ROAD
GoodOver: HAYFORK CREEK
8.8 MI WEST OF SR 3, Trinity, CA
Built 1948 Load: 44.4 t ADT: 330
STATE ROUTE 43
GoodOver: TULE RIVER
06-TUL-043-R19.91, Tulare, CA
Built 1976 Load: 44.4 t ADT: 3,900
STATE ROUTE 190
GoodOver: TULE RIVER
06-TUL-190-26.65, Tulare, CA
Built 1958 Load: 44.4 t ADT: 6,000
ROAD 208
GoodOver: TULE RIVER
0.3 MI S HENDERSON AVE, Tulare, CA
Built 1951 Load: 44.4 t ADT: 700
AUTO TOUR ROUTE
GoodOver: POWELL SLOUGH
W .2 MI ON REFUGE ROAD, Colusa, CA
Built 1991 Load: 44.5 t ADT: 25
ROUTE 580 EB
GoodOver: GRANT LINE ROAD
04-ALA-580-R1.48, Alameda, CA
Built 1953 Load: 44.7 t ADT: 87,500
STATE ROUTE 88
GoodOver: WEST FORK CARSON RIVER
10-ALP-088-16.13, Alpine, CA
Built 1963 Load: 44.7 t ADT: 3,200
Panoche Road
GoodOver: San Luis Canal
2 mi east of Fairfax, Fresno, CA
Built 1965 Load: 44.7 t ADT: 1,000
LOWER AZUSA RD
GoodOver: EATON WASH
0.5MI E/O ROSEMEAD BLVD, Los Angeles, CA
Built 1956 Load: 44.7 t ADT: 10,609
CENTURION WAY
GoodOver: BOUQUET CYN CHAN
0.2MI NW/O BOUQUET CYN RD, Los Angeles, CA
Built 1975 Load: 44.7 t ADT: 19,902
DECORO DR
GoodOver: SAN FRANCISQUITO CRK
0.3MI W/O MCBEAN PKWY, Los Angeles, CA
Built 2003 Load: 44.7 t ADT: 13,802
STATE ROUTE 86 NB
GoodOver: SUGINO DITCH
08-RIV-086-0.66, Riverside, CA
Built 1979 Load: 44.7 t ADT: 15,300
LAKE DRIVE
GoodOver: LAKE GREGORY SPILLWAY
1.7 MI E RTE 138, San Bernardino, CA
Built 1972 Load: 44.7 t ADT: 6,473
INTERSTATE 5
GoodOver: SASSAFRAS STREET
11-SD-005-R17.77-SD, San Diego, CA
Built 1967 Load: 44.7 t ADT: 71,500
WITHROW RD
GoodOver: SOUTH FORK BEAR CREEK
0.9 MI SE PONDEROSA RD, Shasta, CA
Built 1978 Load: 44.7 t ADT: 80
PASKENTA RD
GoodOver: WILLOW CREEK
1.6 MI S/O DUSTY WAY, Tehama, CA
Built 1985 Load: 44.7 t ADT: 500
LOVERIDGE ROAD
GoodOver: CONTRA COSTA CANAL
0.2 MI N BUCHANAN RD, Contra Costa, CA
Built 1970 Load: 45.0 t ADT: 1,500
Showing 25,051-25,100 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.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |