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
CEDARS RD
GoodOver: OREGON GULCH
.1 MI N/O KENYON DR, Shasta, CA
Built 1952 Load: 36.6 t ADT: 500
STATE ROUTE 49
GoodOver: GOODYEARS CREEK
03-SIE-049-R12.24, Sierra, CA
Built 1972 Load: 36.6 t ADT: 1,200
WILLOW CREEK ROAD
GoodOver: WILLOW CREEK
0.5 MI E/O SR 1, Sonoma, CA
Built 1966 Load: 36.6 t ADT: 170
INTERSTATE 5 SB
GoodOver: NORTH FORK MCCLURE CREEK
02-TEH-005-R14.63, Tehama, CA
Built 1965 Load: 36.6 t ADT: 14,500
INTERSTATE 5 NB
GoodOver: NORTH FORK MCCLURE CREEK
02-TEH-005-R14.63, Tehama, CA
Built 1965 Load: 36.6 t ADT: 14,500
AVENUE 312
GoodOver: CONSOLIDATE PEOPLE DITCH
0.8 MI W OF SR 245, Tulare, CA
Built 1956 Load: 36.6 t ADT: 420
22S05
GoodOver: 22S05/SO. FORK KERN R.
NO DATA ENTERED, Tulare, CA
Built 1960 Load: 36.6 t ADT: 192
STATE ROUTE 108
GoodOver: EAGLE CREEK
10-TUO-108-53.03, Tuolumne, CA
Built 1963 Load: 36.6 t ADT: 800
STATE ROUTE 33
GoodOver: PIPELINE 1 UC
07-VEN-033-2.83, Ventura, CA
Built 1956 Load: 36.6 t ADT: 20,000
FAULKNER RD
GoodOver: ADAMS BARRANCA
0.76 MI E OF BRIGGS RD, Ventura, CA
Built 1965 Load: 36.6 t ADT: 600
COUNTY ROAD 98
GoodOver: DRY SLOUGH
JUST N OF CO ROAD #29, Yolo, CA
Built 1959 Load: 36.6 t ADT: 6,160
WHIPPLE ROAD
GoodOver: BARTD
0.75 MI W/O SR 238, Alameda, CA
Built 1970 Load: 36.9 t ADT: 10,300
HOLMES STREET
GoodOver: ARROYO MOCHO
500' N MOCHO STREET, Alameda, CA
Built 1939 Load: 36.9 t ADT: 18,200
STATE ROUTE 32
GoodOver: DEAD HORSE SLOUGH
03-BUT-032-11.08-CHC, Butte, CA
Built 1957 Load: 36.9 t ADT: 18,900
INTERSTATE 5 SB
GoodOver: CENTRAL IRRIGATION CANAL
03-GLE-005-R8.82, Glenn, CA
Built 1966 Load: 36.9 t ADT: 13,000
INTERSTATE 5 NB
GoodOver: CENTRAL IRRIGATION CANAL
03-GLE-005-R8.82, Glenn, CA
Built 1966 Load: 36.9 t ADT: 13,000
GARDNER FIELD ROAD
GoodOver: SANDY CREEK
0.15 MI W GAS COMPANY RD, Kern, CA
Built 1965 Load: 36.9 t ADT: 730
RAMP/CONNECTOR 5
GoodOver: TUJUNGA WASH CHANNEL
07-LA-005-36.35-LA, Los Angeles, CA
Built 1963 Load: 36.9 t ADT: 32,163
ROUTE 118
GoodOver: BRADLEY AVE
07-LA-118-R12.68-LA, Los Angeles, CA
Built 1976 Load: 36.9 t ADT: 115,000
2ND ST (EB)
GoodOver: SAN GABRIEL RIV
0.8MI E/O SR-1 HWY, Los Angeles, CA
Built 1964 Load: 36.9 t ADT: 20,882
MERCED AVE
GoodOver: BIG DALTON WASH
0.3MI W/O PUENTE AVE, Los Angeles, CA
Built 1959 Load: 36.9 t ADT: 13,309
FLORENCITA DR
GoodOver: HALLS CYN CH
0.4MI W/O OCEAN VIEW BLVD, Los Angeles, CA
Built 1936 Load: 36.9 t ADT: 979
LKE ST / PROVI AVE
GoodOver: BURBANK WESTERN CHAN
0.3MI W/O ALAMEDA AVE, Los Angeles, CA
Built 1949 Load: 36.9 t ADT: 6,180
FAIRPLEX DR
GoodOver: SAN JOSE CRK
0.5MI N/O HOLT AVE, Los Angeles, CA
Built 1957 Load: 36.9 t ADT: 16,900
ALISO CYN RD
GoodOver: BEARTRAP CYN CRK
3.3MI W/O ANGELES FOR HWY, Los Angeles, CA
Built 1956 Load: 36.9 t ADT: 1,273
STATE ROUTE 49
GoodOver: MIAMI CREEK
06-MAD-049-3.85, Madera, CA
Built 1948 Load: 36.9 t ADT: 8,900
STATE ROUTE 41
GoodOver: AVENUE 11
06-MAD-041-2.29, Madera, CA
Built 2000 Load: 36.9 t ADT: 28,000
STATE ROUTE 111 SB
GoodOver: CHINO CREEK
08-RIV-111-55.88-PSP, Riverside, CA
Built 1948 Load: 36.9 t ADT: 17,000
INTERSTATE 15 NB
GoodOver: BUNDY CANYON ROAD
08-RIV-015-16.30, Riverside, CA
Built 1981 Load: 36.9 t ADT: 117,000
INTERSTATE 15 SB
GoodOver: GAVILAN WASH
08-RIV-015-25.55, Riverside, CA
Built 1980 Load: 36.9 t ADT: 61,000
TWIN CITIES RD
GoodOver: COSUMNES RIVER
2.3 MI W CHRISTENSEN RD, Sacramento, CA
Built 1983 Load: 36.9 t ADT: 4,223
TWIN CITIES RD
GoodOver: COSUMNES RIVER OVERFLOW
2.3 MI W CHRISTENSEN RD, Sacramento, CA
Built 1983 Load: 36.9 t ADT: 4,223
TWIN CITIES RD
GoodOver: LAGUNA CREEK
2.1 MI W CHRISTENSEN RD, Sacramento, CA
Built 1983 Load: 36.9 t ADT: 4,286
TWIN CITIES RD
GoodOver: COSUMNES RIVER OVERFLOW
2.75 MI W CHRISTENSEN RD, Sacramento, CA
Built 1983 Load: 36.9 t ADT: 4,285
TWIN CITIES RD
GoodOver: WEST SLOUGH
3.1 MI W CHRISTENSEN RD, Sacramento, CA
Built 1983 Load: 36.9 t ADT: 4,285
TWIN CITIES RD
GoodOver: COSUMNES RIVER OVERFLOW
3.2 MI W CHRISTENSEN RD, Sacramento, CA
Built 1983 Load: 36.9 t ADT: 4,285
EAST NATOMA ST EB
GoodOver: HUMBUG CREEK
NEAR BLUE RAVINE ROAD, Sacramento, CA
Built 2003 Load: 36.9 t ADT: 6,500
US HIGHWAY 101 SB
GoodOver: ANZAR ROAD
05-SBT-101-R4.25, San Benito, CA
Built 1972 Load: 36.9 t ADT: 32,000
PANOCHE ROAD
GoodOver: TRES PINOS CREEK
EAST COTTONWOOD RD, San Benito, CA
Built 1963 Load: 36.9 t ADT: 800
INTERSTATE 15 SB
GoodOver: BAKER INN DITCH
08-SBD-015-R136.95, San Bernardino, CA
Built 1965 Load: 36.9 t ADT: 19,000
INTERSTATE 15 NB
GoodOver: BAKER INN DITCH
08-SBD-015-R136.95, San Bernardino, CA
Built 1965 Load: 36.9 t ADT: 19,000
INTERSTATE 15 NB
GoodOver: LAWRENCE WELK DRIVE
11-SD-015-R39.35, San Diego, CA
Built 1980 Load: 36.9 t ADT: 70,000
99 FRONTAGE RD E
GoodOver: BEAR CREEK
0.4 MI N EIGHT MILE RD, San Joaquin, CA
Built 1964 Load: 36.9 t ADT: 1,018
STATE ROUTE 237 WB
GoodOver: STEVENS CREEK
04-SCL-237-R0.32-MVW, Santa Clara, CA
Built 1964 Load: 36.9 t ADT: 21,500
STATE ROUTE 237 EB
GoodOver: STEVENS CREEK
04-SCL-237-R0.32-MVW, Santa Clara, CA
Built 1964 Load: 36.9 t ADT: 21,500
W ALMA AVE
GoodOver: GUADALUPE RIVER
0.5 MI W ALMADAN AVE, Santa Clara, CA
Built 1954 Load: 36.9 t ADT: 21,700
STATE ROUTE 1 NB
GoodOver: BUENA VISTA DRIVE
05-SCR-001-R4.07, Santa Cruz, CA
Built 1974 Load: 36.9 t ADT: 15,000
CASSEL ROAD
GoodOver: HAT CREEK
0.2 MI NE OF S.R. 89, Shasta, CA
Built 1972 Load: 36.9 t ADT: 180
INDIAN CREEK ROAD
GoodOver: EAST FORK INDIAN CREEK
7.6 MI N OF SR 96, Siskiyou, CA
Built 1967 Load: 36.9 t ADT: 142
MINERS CREEK ROAD
GoodOver: MINERS CREEK
1.8 MI S FRENCH CREEK RD, Siskiyou, CA
Built 1968 Load: 36.9 t ADT: 62
Showing 24,301-24,350 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 |