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
WARM SPRINGS RD
FairOver: CALABAZAS CREEK
NEAR ARNOLD DR, Sonoma, CA
Built 1928 Load: 16.8 t ADT: 3,000
FULTON RD
FairOver: MARK WEST CREEK
0.2 MI N OF US HWY 101, Sonoma, CA
Built 1971 Load: 16.8 t ADT: 14,650
CANYON RD
FairOver: CANYON CREEK
0.4 MI E JCT DRY CREEK RD, Sonoma, CA
Built 1928 Load: 16.8 t ADT: 416
STATE ROUTE 33
FairOver: SALADO CREEK
10-STA-033-13.94, Stanislaus, CA
Built 1915 Load: 16.8 t ADT: 6,450
HOPPER ROAD
FairOver: M.I.D. MAIN CANAL
0.5 MI N/O SR 132, Stanislaus, CA
Built 1929 Load: 16.8 t ADT: 425
NICOLAUS AVE
FairOver: COON CREEK
4.85 MI E OF SH 99, Sutter, CA
Built 1930 Load: 16.8 t ADT: 405
HOWSLEY RD
FairOver: PLEASANT GROVE CRK CANAL
AT PACIFIC AVE, Sutter, CA
Built 1935 Load: 16.8 t ADT: 3,106
OLD HWY 99 W
FairOver: JEWETT CREEK
8.9 MI N/O GLENN CO LINE, Tehama, CA
Built 1914 Load: 16.8 t ADT: 2,025
MERIDIAN RD
FairOver: S FORK PINE CREEK
1.1 MI S LASSEN RD, Tehama, CA
Built 1937 Load: 16.8 t ADT: 100
KIRKWOOD RD
FairOver: BURCH CREEK
0.3 MI S VIOLA AVE, Tehama, CA
Built 1925 Load: 16.8 t ADT: 955
MAIN STREET
FairOver: PORTER SLOUGH
0.1 MI N OF E OLIVE ST, Tulare, CA
Built 1924 Load: 16.8 t ADT: 9,500
AVE 96 (TERRA BEL)
FairOver: FRIANT-KERN CANAL
0.05 MI EAST OF ROAD 208, Tulare, CA
Built 1949 Load: 16.8 t ADT: 385
AVE 196 (CR J28)
FairOver: FRIANT-KERN CANAL
0.2 MI WEST OF ROAD 236, Tulare, CA
Built 1949 Load: 16.8 t ADT: 2,650
M375A MNRL KING RD
FairOver: EAST FORK KAWEAH RIVER
6.68 MI E OF SR 198, Tulare, CA
Built 1923 Load: 16.8 t ADT: 25
ITALIAN BAR RD
FairOver: EAGLE CREEK
11.9 MI NE BIG HILL ROAD, Tuolumne, CA
Built 1925 Load: 16.8 t ADT: 20
C. R. 85
FairOver: WEST ADAMS CANAL
1 MILE NORTH OF CAPAY, Yolo, CA
Built 1930 Load: 16.8 t ADT: 461
COUNTY ROAD 88
FairOver: UNION SCHOOL SLOUGH
0.96 MI S OF C.R. #27, Yolo, CA
Built 1916 Load: 16.8 t ADT: 115
COUNTY ROAD 12A
FairOver: OAT CREEK
0.37 MI WEST OF CR #89B, Yolo, CA
Built 1945 Load: 16.8 t ADT: 50
LATROBE ROAD
FairOver: COSUMNES RIVER
AMADOR-EL DORADO CO LINE, Amador, CA
Built 1959 Load: 17.2 t ADT: 3,244
OLD SACRAMENTO RD
FairOver: LITTLE INDIAN CREEK
2.4 MI W/O SH 49, Amador, CA
Built 1930 Load: 17.2 t ADT: 932
UTICA POWERHOUSE R
FairOver: ANGELS CREEK
0.4 MI SW/O SR 4, Calaveras, CA
Built 1920 Load: 17.2 t ADT: 78
DOUBLE SPRINGS RD
FairOver: HAUPT CREEK
0.1 MI E/O SR 26, Calaveras, CA
Built 1917 Load: 17.2 t ADT: 409
WILLOW PASS RD
FairOver: WALNUT CREEK
AT I-680, Contra Costa, CA
Built 1954 Load: 17.2 t ADT: 37,000
WREN AVE
FairOver: CONTRA COSTA CANAL
0.05 MI E 6TH ST, Contra Costa, CA
Built 1939 Load: 17.2 t ADT: 850
OCEAN VIEW DRIVE
FairOver: GILBERT CREEK
0.8 MI S OF RT 101, Del Norte, CA
Built 1947 Load: 17.2 t ADT: 670
CENTER ST
FairOver: HANGTOWN CREEK
AT SR 50, El Dorado, CA
Built 1924 Load: 17.2 t ADT: 5,000
ICE HOUSE RD
FairOver: SOUTH FORK SILVER CREEK
9.4 MI N OF US 50, El Dorado, CA
Built 1960 Load: 17.2 t ADT: 1,500
GREENWOOD RD
FairOver: GEORGETOWN CREEK
0.9 MI S OF S.R. 193, El Dorado, CA
Built 1931 Load: 17.2 t ADT: 962
TRAVERSE CREEK RD
FairOver: DRY CREEK
2 MI N/E SR 193, El Dorado, CA
Built 1930 Load: 17.2 t ADT: 400
CLAY ST
FairOver: HANGTOWN CREEK
150 FEET NORTH OF MAIN ST, El Dorado, CA
Built 1940 Load: 17.2 t ADT: 2,100
N BETHEL AVE
FairOver: GOULD CANAL
0.2 MI SOUTH OF SHIELDS, Fresno, CA
Built 1950 Load: 17.2 t ADT: 700
E. WELDON AVE
FairOver: HERNDON CANAL
WEST OF KENMORE DR W, Fresno, CA
Built 1947 Load: 17.2 t ADT: 300
N VINELAND AVE
FairOver: SANDRIDGE CANAL
0.2 MI NORTH OF ASHLAN AV, Fresno, CA
Built 1936 Load: 17.2 t ADT: 150
N HIGHLAND AVE
FairOver: GOULD CANAL
0.3 MI NORTH OF SHIELDS, Fresno, CA
Built 1932 Load: 17.2 t ADT: 325
S CRAWFORD AVE
FairOver: CALIFORNIA VINYARD DITCH
0.9 MI N/O MANNING AVE, Fresno, CA
Built 1937 Load: 17.2 t ADT: 1,000
ROAD 48
FairOver: WILLOW CREEK
0.65 MI E HWY 99W, Glenn, CA
Built 1945 Load: 17.2 t ADT: 647
ROAD 9
FairOver: CENTRAL IRRIGATION CANAL
JUST W OF ROAD 203, Glenn, CA
Built 1941 Load: 17.2 t ADT: 1,553
ROAD 60
FairOver: NORTH FORK LOGAN CREEK
0.4 MI W OF I-5, Glenn, CA
Built 1930 Load: 17.2 t ADT: 40
FULMOR ROAD
FairOver: SALT RIVER
NORTH OF KENYON ROAD, Humboldt, CA
Built 1950 Load: 17.2 t ADT: 246
REDWOOD DR
FairOver: DEAN CREEK
N/O REDWAY ADJ TO US 101, Humboldt, CA
Built 1933 Load: 17.2 t ADT: 1,978
SHOWER PASS RD
FairOver: OLSEN CREEK
6.1 MI NE/O KNEELAND RD, Humboldt, CA
Built 1966 Load: 17.2 t ADT: 7
OLD SHERWIN GRADE
FairOver: PINE CREEK
.04 MI S OF BIRCHIM LANE, Inyo, CA
Built 1919 Load: 17.2 t ADT: 520
INTERSTATE 10
FairOver: BAGLEY AVE
07-LA-010-R7.58-LA, Los Angeles, CA
Built 1964 Load: 17.2 t ADT: 268,000
STURTEVANT DR
FairOver: SIERRA MADRE WASH
0.6MI W/O SANTA ANITA AVE, Los Angeles, CA
Built 1934 Load: 17.2 t ADT: 102
INCLINE ROAD
FairOver: MOSS CANYON
0.25 MI WEST OF SR 140, Mariposa, CA
Built 1965 Load: 17.2 t ADT: 150
VALLEY LOOP ROAD
FairOver: YOSEMITE CREEK
In Yosemite Valley, on tw, Mariposa, CA
Built 1922 Load: 17.2 t ADT: 3,416
REEVES CANYON ROAD
FairOver: MILL CREEK
5.6 MI W SR 101, Mendocino, CA
Built 1980 Load: 17.2 t ADT: 105
ORR SPRINGS RD
FairOver: SOUTH FORK BIG RIVER
14.5 MI W US 101, Mendocino, CA
Built 1959 Load: 17.2 t ADT: 1,002
CO RD 198
FairOver: RUSH CREEK
0.25 MI S/O SR 299, Modoc, CA
Built 1923 Load: 17.2 t ADT: 75
STATE PARK ROAD
FairOver: LIMEKILN CREEK
LIMEKILN ST PARK, Monterey, CA
Built 2010 Load: 17.2 t ADT: 100
Showing 8,801-8,850 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.