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
AVE 252
FairOver: PACKWOOD CREEK
0.2 MI W OF RD 56, Tulare, CA
Built 1952 Load: 24.3 t ADT: 100
AVE 248
FairOver: TULARE CANAL
0.3 MI E OF RD 124, Tulare, CA
Built 1962 Load: 24.3 t ADT: 350
ROAD 124
FairOver: TULARE IRRIG DIST CANAL
0.4 MI S OF AVE 271, Tulare, CA
Built 1952 Load: 24.3 t ADT: 475
AVE 264
FairOver: FARMERS DITCH
0.5 MI W OF RD 164, Tulare, CA
Built 1954 Load: 24.3 t ADT: 300
AVE 304
FairOver: TULARE IRRIG DIST CANAL
0.5 MI W OF RD 180, Tulare, CA
Built 1950 Load: 24.3 t ADT: 1,300
RD 182
FairOver: CONSOLIDATE PEOPLE DITCH
0.3 MI N OF SR 198, Tulare, CA
Built 1964 Load: 24.3 t ADT: 420
RD 158
FairOver: KAWEAH RIVER
0.8 MI N OF AVE 296, Tulare, CA
Built 1965 Load: 24.3 t ADT: 1,650
D 168
FairOver: OUTSIDE CREEK
0.1 MI N OF AVE 246, Tulare, CA
Built 1968 Load: 24.3 t ADT: 1,200
AVE 412
FairOver: ALTA CANAL
0.7 MI E OF RD 144, Tulare, CA
Built 1950 Load: 24.3 t ADT: 1,300
ROAD 108 (DEMAREE)
FairOver: TULARE IRRIG DIST CANAL
0.5 MI SOUTH OF AVE 272, Tulare, CA
Built 1950 Load: 24.3 t ADT: 8,600
BEN MADDOX WAY
FairOver: PACKWOOD CREEK
AT WALNUT AVE, Tulare, CA
Built 1970 Load: 24.3 t ADT: 7,400
STATE ROUTE 120
FairOver: ALKALI CREEK
10-TUO-120-11.29, Tuolumne, CA
Built 1914 Load: 24.3 t ADT: 16,000
LA GRANGE RD
FairOver: JOHNSON CREEK
0.3 MI NE/O STAN CO LINE, Tuolumne, CA
Built 1956 Load: 24.3 t ADT: 2,703
CLARK FORK ROAD
FairOver: ARNOT CREEK
6.0 MI NORTH EAST SR 108, Tuolumne, CA
Built 1960 Load: 24.3 t ADT: 41
CRYSTAL FALLS DR
FairOver: SULLIVAN CREEK
2.0 MI N OF LANGEWAY RD, Tuolumne, CA
Built 1970 Load: 24.3 t ADT: 3,266
COCHRAN STREET
FairOver: TAPO CANYON CREEK
0.2 MI W SEQUOIA AVE, Ventura, CA
Built 1965 Load: 24.3 t ADT: 26,000
SANTA ANA BLVD
FairOver: LIVE OAK CANYON CREEK
0.7 MI W/O SR 33, Ventura, CA
Built 1957 Load: 24.3 t ADT: 2,300
GORHAM RD
FairOver: MCNELL CREEK
0.1 MI N OF S.R. 150, Ventura, CA
Built 1965 Load: 24.3 t ADT: 600
CAMINO CIELO
FairOver: MATILIJA CREEK
0.1 MI W OF S.R. 33, Ventura, CA
Built 1960 Load: 24.3 t ADT: 100
CLARA ST
FairOver: J STREET DRAIN
0.5 MI E. OF VENTURA RD., Ventura, CA
Built 1957 Load: 24.3 t ADT: 500
CYPRESS ROAD
FairOver: OXNARD INDUSTRIAL DRAIN
0.1 MI N OF HUENEME RD, Ventura, CA
Built 1969 Load: 24.3 t ADT: 2,000
FITZGERALD RD
FairOver: RUNKLE CANYON DRAIN
0.2 MI E SYCAMORE DR, Ventura, CA
Built 1962 Load: 24.3 t ADT: 6,500
ALSCOT AVENUE
FairOver: HUMMINGBIRD CREEK
0.3 MI N LOS ANGELES AVE, Ventura, CA
Built 1965 Load: 24.3 t ADT: 1,500
NELDA STREET
FairOver: WHITE OAK CREEK
0.3 MI W ALSCOT AVE, Ventura, CA
Built 1965 Load: 24.3 t ADT: 1,500
KUEHNER DRIVE
FairOver: HUMMINGBIRD CREEK
0.2 MI S/O RTE 118, Ventura, CA
Built 1965 Load: 24.3 t ADT: 10,000
STATE ROUTE 128
FairOver: SCHOOL DRAW
03-YOL-128-6.53, Yolo, CA
Built 1915 Load: 24.3 t ADT: 3,200
COUNTY ROAD 99W
FairOver: DUNNIGAN CREEK
0.1 MI SE OF CR #89, Yolo, CA
Built 1936 Load: 24.3 t ADT: 1,256
C.R. #90
FairOver: DRY SLOUGH
0.77 MI N OF I 505 RAMP, Yolo, CA
Built 1970 Load: 24.3 t ADT: 40
OREGON HILL RD
FairOver: LITTLE OREGON CREEK
6.5 MI N JCT MARYSVILE RD, Yuba, CA
Built 1967 Load: 24.3 t ADT: 62
LINDA AVE
FairOver: DRAINAGE CANAL
.1 MI N/O N BEALE RD, Yuba, CA
Built 1960 Load: 24.3 t ADT: 3,400
LOMA RICA RD
FairOver: PRAIRIE CREEK
1.1 MI SW FRUITLAND RD, Yuba, CA
Built 1965 Load: 24.3 t ADT: 2,760
VIERRA RD
FairOver: SOUTH HONCUT CREEK
0.3 MI S OF LA PORTE RD, Yuba, CA
Built 1950 Load: 24.3 t ADT: 150
LA PORTE ROAD
FairOver: SOUTH HONCUT CREEK
2 MI SW OF WILLOW GLEN RD, Yuba, CA
Built 1972 Load: 24.3 t ADT: 390
AUTO TOUR ROUTE
FairOver: MAIN DRAIN
W .8 MI ON REFUGE ROAD, Colusa, CA
Built 1976 Load: 24.5 t ADT: 25
GENERALS HIGHWAY
FairOver: STONY CREEK
0.1 MILES WEST OF STONY C, Fresno, CA
Built 1960 Load: 24.5 t ADT: 200
IRR BIA RTE 3
FairOver: TULLY CREEK
3KM NW MARTIN FERRY BRIDG, Humboldt, CA
Built 1972 Load: 24.5 t ADT: 10
IRR BIA RTE 11
FairOver: PINE CREEK
16 KM NW OF HOOPA, Humboldt, CA
Built 1977 Load: 24.5 t ADT: 10
IRR BIA RTE 18
FairOver: PINE CREEK
1.5KM S MARTIN FERRY BD., Humboldt, CA
Built 1977 Load: 24.5 t ADT: 40
U.S. HIGHWAY 101
FairOver: HILLSIDE
04-MRN-101-1.19-SAUS, Marin, CA
Built 1954 Load: 24.5 t ADT: 53,000
CARLSBAD BLVD
FairOver: BUENA VISTA CREEK
0.3MI S/O VISTA WAY, San Diego, CA
Built 1914 Load: 24.5 t ADT: 19,173
JFK DRIVE
FairOver: BRANDY CREEK
4.7 miles SW of Hwy. 299, Shasta, CA
Built 1965 Load: 24.5 t ADT: 100
ROAD
FairOver: MID FK APPLEGATE
NO DATA ENTERED, Siskiyou, CA
Built 1951 Load: 24.5 t ADT: 50
ACCESS ROAD
FairOver: DRY DITCH
0.01 MILES NORTH OF PERIM, Solano, CA
Built 1954 Load: 24.5 t ADT: 1
Dale Road
FairOver: N. Branch Kopta Slough
1.2 mi. N & W of Gardiner, Tehama, CA
Built 1993 Load: 24.5 t ADT: 30
IRR BIA RTE 235
FairOver: SOUTH FORK TULE RIVER
AT AGENCY, Tulare, CA
Built 1994 Load: 24.5 t ADT: 1,500
IRR BIA RTE 248
FairOver: SOUTH FORK TULE RIVER
7 KM NE OF AGENCY, Tulare, CA
Built 1994 Load: 24.5 t ADT: 30
LOWER HONCUT RD
FairOver: NORTH HONCUT CREEK
4.3 MI E OF SH 70, Butte, CA
Built 1966 Load: 24.6 t ADT: 1,059
RIVER RD
FairOver: GRASSY BANKS SLOUGH
2.03 MI N OF ORD FERRY RD, Butte, CA
Built 1930 Load: 24.6 t ADT: 1,256
AFTON RD
FairOver: CHEROKEE CANAL
0.4 MI E/O WICKMAN RD, Butte, CA
Built 1959 Load: 24.6 t ADT: 513
STATE ROUTE 180
FairOver: MILL CREEK
06-FRE-180-92.18, Fresno, CA
Built 1953 Load: 24.6 t ADT: 2,675
Showing 10,651-10,700 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.