Total Bridges
27,040
Public highway bridges in California
State profile · Below median Poor share
California bridge safety
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in California, based on the FHWA National Bridge Inventory.
- 27,040
- Public bridges
- 32.5%
- Good condition
- 4.6%
- Poor condition
Data updated May 2026
Good Condition
32.5%
8,777 bridges rated 7-9
-17.5pp vs 50% benchmark
Poor Condition
4.6%
1,244 bridges whose lowest applicable component is rated 0-4
-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 - Poor-condition share 15.3%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
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 by Poor-condition share (lower share = better)
States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below California on the same metric.
OH
Ohio
4.54% top marginal rate
NJ
New Jersey
4.59% top marginal rate
CA
California
4.60% top marginal rate
AR
Arkansas
4.71% top marginal rate
WA
Washington
4.81% top marginal rate
Bridges Needing Most Attention in California
Six lowest-condition bridges in California, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
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
PoorOver: 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
REEVES CANYON ROAD
PoorOver: MILL CREEK
3.1 MI W SR 101, Mendocino, CA
Built 1981 Load: 14.9 t ADT: 105
MOUNTAIN VIEW RD
PoorOver: RANCHERIA CREEK
4.0 MI E/O RTE 128, Mendocino, CA
Built 1935 Load: 14.9 t ADT: 195
PRIEST VALLEY RD
PoorOver: LEWIS CREEK
0.15 MI E OF SH 198, Monterey, CA
Built 1948 Load: 14.9 t ADT: 200
HIRSCHDALE RD
PoorOver: TRUCKEE RIVER
AT HINTON, Nevada, CA
Built 1926 Load: 14.9 t ADT: 70
MEMORY LANE
PoorOver: SANTA ANA RIVER CHANNEL
0.1 MI. E/O CITY DRIVE, Orange, CA
Built 1936 Load: 14.9 t ADT: 18,900
DEL OBISPO STREET
PoorOver: TRABUCO CREEK CHANNEL
0.2 MI W/O CAMINO CPSTRN, Orange, CA
Built 1946 Load: 14.9 t ADT: 34,000
STATE ROUTE 62 WB
PoorOver: MISSION CHANNEL OVERFLOW
08-RIV-062-R5.62, Riverside, CA
Built 1966 Load: 14.9 t ADT: 9,000
CHUCKWALLA VLY RD
PoorOver: ACARI DITCH
6.3 MI E/O CORN SPRNGS RD, Riverside, CA
Built 1931 Load: 14.9 t ADT: 40
BIRD ROAD
PoorOver: DELTA-MENDOTA CANAL
0.2 MI N OF S.H. 132, San Joaquin, CA
Built 1950 Load: 14.9 t ADT: 471
WRIGHTS STATION RD
PoorOver: LOS GATOS CREEK
1.5 MI N/O MORRILL RD, Santa Clara, CA
Built 1917 Load: 14.9 t ADT: 110
LAKE VIEW ROAD
PoorOver: KLAMATH RIVER
SOUTH OF COPCO ROAD, Siskiyou, CA
Built 1960 Load: 14.9 t ADT: 226
DIEHL ROAD
PoorOver: DELTA-MENDOTA CANAL
0.5 MI WEST OF BELL ROAD, Stanislaus, CA
Built 1948 Load: 14.9 t ADT: 99
BELL ROAD
PoorOver: PIGEON CREEK
0.4 MI E/O SH 49, Amador, CA
Built 1925 Load: 15.2 t ADT: 26
FERRY STREET
PoorOver: ARROYO DEL HAMBRE
AT GREEN ST, Contra Costa, CA
Built 1940 Load: 15.2 t ADT: 3,000
SAUNDERS AVE
PoorOver: SAN ANSELMO CREEK
IN SAN ANSELMO, Marin, CA
Built 1935 Load: 15.2 t ADT: 3,000
CENTER BLVD
PoorOver: SAN ANSELMO CREEK
16M NW OF SAN ANSELMO AVE, Marin, CA
Built 1935 Load: 15.2 t ADT: 12,000
TRIANGLE ROAD
PoorOver: SNOW CREEK
0.1 MI W DARRAH RD, Mariposa, CA
Built 1935 Load: 15.2 t ADT: 360
HOSPITAL ROAD
PoorOver: YREKA CREEK
BEHIND COUNTY HOSPITAL, Siskiyou, CA
Built 1987 Load: 15.2 t ADT: 200
HOWARD ROAD
PoorOver: DELTA-MENDOTA CANAL
1.5 MILES EAST OF I-5, Stanislaus, CA
Built 1947 Load: 15.2 t ADT: 2,810
KELLY RD
PoorOver: MCCARTY CREEK
1.5 MI N/O TOOMES CP RD, Tehama, CA
Built 1958 Load: 15.2 t ADT: 30
STATE ROUTE 33
PoorOver: SAN ANTONIO CREEK
07-VEN-033-7.58, Ventura, CA
Built 1936 Load: 15.2 t ADT: 20,500
IRR COUNTY RD 306
PoorOver: WATSON CREEK
0.3 MI N OF RD #305, Glenn, CA
Built 1930 Load: 15.6 t ADT: 268
SOLEDAD CYN RD
PoorOver: SANTA CLARA RIV BR
0.3MI E/O AGUA DULCE CY, Los Angeles, CA
Built 1936 Load: 15.6 t ADT: 2,550
RD 28 1/2
PoorOver: DRY CREEK
0.9 MI N AVE 21, Madera, CA
Built 1948 Load: 15.6 t ADT: 68
AZALEA AVE
PoorOver: FAIRFAX CREEK
80 FT W OF ARROYO RD, Marin, CA
Built 1930 Load: 15.6 t ADT: 110
NORTH FORK ROAD
PoorOver: LEWIS CREEK
0.1 MI NE SH 198, Monterey, CA
Built 1948 Load: 15.6 t ADT: 200
N. COAST HIGHWAY
PoorOver: SAN LUIS REY RIVER
0.22M S/O HARBOR DR, San Diego, CA
Built 1929 Load: 15.6 t ADT: 12,000
HUASNA RD
PoorOver: HUASNA RIVER
2.55 MI E OF HUASNA, San Luis Obispo, CA
Built 1940 Load: 15.6 t ADT: 401
DE LA VINA ST
PoorOver: MISSION CREEK
0.1 MI N ALAMAR AVE, Santa Barbara, CA
Built 1916 Load: 15.6 t ADT: 11,250
STATE ROUTE 89
PoorOver: LAKE BRITTON
02-SHA-089-29.19, Shasta, CA
Built 1938 Load: 15.6 t ADT: 1,700
MIDDLE CREEK RD
PoorOver: MIDDLE CREEK
0.7 MI E OF IRON MTN RD, Shasta, CA
Built 1925 Load: 15.6 t ADT: 61
HARRY CASH ROAD
PoorOver: LITTLE SHASTA RIVER
0.25 MI S OF BALL MTN RD, Siskiyou, CA
Built 1920 Load: 15.6 t ADT: 353
STUHR ROAD
PoorOver: DELTA-MENDOTA CANAL
100' EAST OF BELL ROAD, Stanislaus, CA
Built 1949 Load: 15.6 t ADT: 2,184
NUESTRO RD
PoorOver: SNAKE RIVER
0.7 MI E OF E BUTTE RD, Sutter, CA
Built 1925 Load: 15.6 t ADT: 325
REEDS CREEK RD
PoorOver: BRUSH CREEK
1.2 MI W WILDER RD, Tehama, CA
Built 1930 Load: 15.6 t ADT: 1,660
VESTAL ROAD
PoorOver: COLDFORK COTTONWOOD CRK
2.1 MI N PETTY JOHN ROAD, Tehama, CA
Built 1921 Load: 15.6 t ADT: 60
STEINER FLAT ROAD
PoorOver: DUTTON CREEK
3.8 MI NW OF SR3 @D.CITY, Trinity, CA
Built 1950 Load: 15.6 t ADT: 100
ITALIAN BAR RD
PoorOver: ROSE CREEK
10.7 MI NE BIG HILL ROAD, Tuolumne, CA
Built 1925 Load: 15.6 t ADT: 20
ROAD 48
PoorOver: WILLOW CREEK
1.0 MI W/O ROAD 'D', Glenn, CA
Built 1935 Load: 15.9 t ADT: 87
ORNGE AV AND HILL
PoorOver: LBC BIKE PATH
0.5MI S/O WILLOW ST, Los Angeles, CA
Built 1932 Load: 15.9 t ADT: 17,663
BRYANT AVE
PoorOver: COLONY MAIN CANAL
0.05 MI S/O VALERIA AVE, Merced, CA
Built 1940 Load: 15.9 t ADT: 200
98TH AVE
PoorOver: SAN LEANDRO CREEK
0.3 MI W OF I 880, Alameda, CA
Built 1939 Load: 16.2 t ADT: 7,991
BELL ROAD
PoorOver: BIG INDIAN CREEK
0.15 MI E/O SH 49, Amador, CA
Built 1925 Load: 16.2 t ADT: 26
NEAL RD
PoorOver: NANCE CANYON
0.5 MI E OROVLE CHICO HWY, Butte, CA
Built 1920 Load: 16.2 t ADT: 400
LA GRANDE RD
PoorOver: GLENN-COLUSA CANAL
0.3 MI WEST DANLEY RD, Colusa, CA
Built 1940 Load: 16.2 t ADT: 42
GREEN VALLEY ROAD
PoorOver: MOUND SPRINGS CREEK
0.8 MI W MISSOURI FLAT R, El Dorado, CA
Built 1935 Load: 16.2 t ADT: 4,351
N GOLDEN STATE BL
PoorOver: HERNDON CANAL
0.05 MI SE OF BARSTOW, Fresno, CA
Built 1925 Load: 16.2 t ADT: 9,815
COUNTY ROAD 303
PoorOver: CLARK'S VALLEY CREEK
5.0 MI S RD 302, Glenn, CA
Built 1935 Load: 16.2 t ADT: 27
COUNTY ROAD 306
PoorOver: BRANCH STONY CREEK
9.98 MI N CO LINE, Glenn, CA
Built 1930 Load: 16.2 t ADT: 235
ANZA ROAD
PoorOver: ALL AMERICAN CANAL
1.65 MI W/O SR-111, Imperial, CA
Built 1936 Load: 16.2 t ADT: 800
Showing 26,001-26,050 of 27,040 bridges
Related
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.
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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.
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.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.