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
UNION AVE
FairOver: BREA CREEK CHANNEL
0.1 MI E/O HARBOR BLVD, Orange, CA
Built 1939 Load: 15.2 t ADT: 2,000
SOUTH YUBA DR
FairOver: SOUTH YUBA RIVER
N OF GRAHAM HILL RD, Placer, CA
Built 1925 Load: 15.2 t ADT: 50
CAMP LAYMAN ROAD
FairOver: MIDDLE FORK FEATHER RIV
0.2 MI SOUTH OF SR 70, Plumas, CA
Built 1938 Load: 15.2 t ADT: 35
STATE ROUTE 160
FairOver: SACRAMENTO RIVER
03-SAC-160-5.86-IST, Sacramento, CA
Built 1923 Load: 15.2 t ADT: 2,150
FIGUEROA STREET
FairOver: RILEY RAVINE
WEST OF RILEY STREET, Sacramento, CA
Built 1916 Load: 15.2 t ADT: 1,000
NACIMIENTO LAKE DR
FairOver: LAKE NACIMIENTO DAM SPWY
15 MI NW OF SR 101, San Luis Obispo, CA
Built 1956 Load: 15.2 t ADT: 1,772
CALIFORNIA BLVD
FairOver: SAN LUIS OBISPO CREEK
W SAN LUIS BAY DR, San Luis Obispo, CA
Built 1935 Load: 15.2 t ADT: 16,437
S CHORRO ST
FairOver: STENNER CREEK
SLO CTY, San Luis Obispo, CA
Built 1935 Load: 15.2 t ADT: 7,735
CRYSTAL SPRINGS RD
FairOver: SAN MATEO CREEK
0.4 MI N TARTAN TRAILS RD, San Mateo, CA
Built 1904 Load: 15.2 t ADT: 10,000
STATE ROUTE 150
FairOver: RINCON CREEK
05-SB-150-2.19, Santa Barbara, CA
Built 1927 Load: 15.2 t ADT: 3,100
FARRELL AVE
FairOver: WEST BRANCH LLAGAS CREEK
0.2 MI W MONTEREY RD, Santa Clara, CA
Built 1989 Load: 15.2 t ADT: 3,184
CHURN CREEK RD
FairOver: CHURN CREEK
0.75 MI W AIRPORT RD, Shasta, CA
Built 1952 Load: 15.2 t ADT: 2,000
ASH CR RD
FairOver: SACRAMENTO RIV OVERFLOW
1.0 MI E BALLS FERRY RD, Shasta, CA
Built 1927 Load: 15.2 t ADT: 850
PLEASANTS VALLEY R
FairOver: MILLER CANYON CREEK
7.0 MI N FOOTHILL DR, Solano, CA
Built 1907 Load: 15.2 t ADT: 817
4TH ST EAST
FairOver: NATHANSON CREEK
0.1 MI N OF E NAPA ST, Sonoma, CA
Built 1914 Load: 15.2 t ADT: 2,100
LAKE ROAD
FairOver: PEASLEE CREEK
2.6 MI W JCT YOSEMITE BLV, Stanislaus, CA
Built 1930 Load: 15.2 t ADT: 288
JOHNSON STREET
FairOver: M.I.D. LATERAL #4
AT LUCERN AVENUE, Stanislaus, CA
Built 1939 Load: 15.2 t ADT: 3,091
NICOLAUS AVE
FairOver: COON CREEK OVERFLOW
1 MI W/O PLEASANT GRV RD, Sutter, CA
Built 1925 Load: 15.2 t ADT: 405
EAST BUTTE RD
FairOver: SNAKE RIVER
1.8 MI N/O SANDERS RD, Sutter, CA
Built 1925 Load: 15.2 t ADT: 768
SOUTH AVE
FairOver: SACRAMENTO RIV OVRFLO #4
2.6 MI W OF SH 99, Tehama, CA
Built 1941 Load: 15.2 t ADT: 6,472
PASKENTA RD
FairOver: MCCLURE CREEK NORTH
5.0 MI SOUTH OF DUSTY RD, Tehama, CA
Built 1930 Load: 15.2 t ADT: 600
BLANCHARD FLAT RD
FairOver: REDDING CREEK
3.9 MI S/O SR 3, Trinity, CA
Built 1969 Load: 15.2 t ADT: 25
BROWNS MOUNTAIN RD
FairOver: LITTLE BROWNS CREEK
0.1 MI E LITLE BRWN CK RD, Trinity, CA
Built 1997 Load: 15.2 t ADT: 202
ROAD 128
FairOver: NORTH BRANCH TULERIVER
0.25 MI N OF AVE 180, Tulare, CA
Built 1940 Load: 15.2 t ADT: 250
AVENUE 376
FairOver: TRAVER CANAL
0.25 MI E OF ROAD 40, Tulare, CA
Built 1923 Load: 15.2 t ADT: 125
HARVARD MINE RD
FairOver: WOODS CREEK
0.6 MI N/E SR 108, Tuolumne, CA
Built 1915 Load: 15.2 t ADT: 130
COUNTY ROAD 96
FairOver: UNION SCHOOL SLOUGH
1.38 MI S OF C.R. #27, Yolo, CA
Built 1930 Load: 15.2 t ADT: 200
C.R. #96
FairOver: DRY SLOUGH
0.45 MI N OF C.R. #31, Yolo, CA
Built 1929 Load: 15.2 t ADT: 216
ROUTE 20
FairOver: LOWER CLEAR CREEK
1.5 miles SW of Hwy 299 (, Shasta, CA
Built 1955 Load: 15.4 t ADT: 20
NORD GIANELLA RD
FairOver: SERENITY DITCH
1.6 MI W FOLSOM STREET, Butte, CA
Built 1941 Load: 15.6 t ADT: 100
STIMPSON RD
FairOver: WYMAN RAVINE
0.2 MI E OF SH70, Butte, CA
Built 1935 Load: 15.6 t ADT: 500
MYERS STREET
FairOver: OSTAP ARCH
BTW MITCHELL AV & ORO BLV, Butte, CA
Built 1915 Load: 15.6 t ADT: 5,462
BANGOR HWY
FairOver: N FK HONCUT CREEK
5.3 MI N/O LA PORTE RD, Butte, CA
Built 1920 Load: 15.6 t ADT: 1,279
POMONA ROAD
FairOver: LITTLE CHICO CREEK
0.4 MI SE/O MILLER AVE, Butte, CA
Built 1917 Load: 15.6 t ADT: 1,100
LONE PINE AVE
FairOver: LITTLE CHICO CREEK
0.1 MI N CHICO AVE, Butte, CA
Built 1930 Load: 15.6 t ADT: 513
PENNINGTON RD
FairOver: UNKNOWN DRAIN
0.2 MI N/O SUTTER CO LINE, Butte, CA
Built 1940 Load: 15.6 t ADT: 190
ROAD 22N94
FairOver: FALL RIVER
FALL RIVER, Butte, CA
Built 1973 Load: 15.6 t ADT: 50
SAN PABLO AVE
FairOver: SAN PABLO CREEK
AT ROAD 20, Contra Costa, CA
Built 1926 Load: 15.6 t ADT: 20,490
CEDAR RAVINE RD
FairOver: WEBER CREEK
2.8 MI N PLEASANT VALY RD, El Dorado, CA
Built 1930 Load: 15.6 t ADT: 2,313
BAYNE RD
FairOver: DUTCH CREEK
0.46 MI S OF MT MURPHY RD, El Dorado, CA
Built 1927 Load: 15.6 t ADT: 151
FRENCH CREEK RD
FairOver: FRENCH CREEK
6 MI S OF MOTHER LODE D, El Dorado, CA
Built 1915 Load: 15.6 t ADT: 1,000
ROCK CREEK RD
FairOver: ROCK CREEK
5.5 MI NE OF S.R. 193, El Dorado, CA
Built 1936 Load: 15.6 t ADT: 224
S WALNUT AVE
FairOver: LIBERTY DITCH
0.2 MI N OF ELKHORN AVE, Fresno, CA
Built 1950 Load: 15.6 t ADT: 125
E. OLIVE AVE
FairOver: DRY CREEK CANAL
NEAR N. BLACKSTONE AVE, Fresno, CA
Built 1941 Load: 15.6 t ADT: 5,000
WINDING ROAD
FairOver: NUTMEG CREEK
10S69-12.4, Fresno, CA
Built 1967 Load: 15.6 t ADT: 50
STATE ROUTE 162
FairOver: SACRAMENTO RIVER OVFL
03-GLE-162-80.03, Glenn, CA
Built 1919 Load: 15.6 t ADT: 2,400
ROAD 66B
FairOver: COLUSA DRAIN
2 MI W OF SH 45, Glenn, CA
Built 1940 Load: 15.6 t ADT: 64
ROAD 69
FairOver: DRUMHELLER CANAL
0.9 MI E ROAD XX, Glenn, CA
Built 1940 Load: 15.6 t ADT: 130
CO RD 'D'
FairOver: NO NAME DRAIN
0.7 MI S STATE HWY 162, Glenn, CA
Built 1925 Load: 15.6 t ADT: 397
ROAD E
FairOver: HAMBRIGHT CREEK
1.0 MI N RD 200, Glenn, CA
Built 1940 Load: 15.6 t ADT: 373
Showing 8,151-8,200 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.