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
STATE ROUTE 86S NB
GoodOver: 76TH AVE DRAIN
08-RIV-086-R5.99, Riverside, CA
Built 2000 Load: 32.4 t ADT: 15,300
INTERSTATE 215
GoodOver: WALLISER DRAIN
08-RIV-215-R30.36, Riverside, CA
Built 1994 Load: 32.4 t ADT: 142,000
ROUTE 74
GoodOver: HURKEY CREEK
08-RIV-074-62.99, Riverside, CA
Built 2016 Load: 32.4 t ADT: 3,111
STATE ROUTE 79
GoodOver: SALT CREEK
08-RIV-079-R16.07, Riverside, CA
Built 1997 Load: 32.4 t ADT: 13,200
SB I-215 TRUCK
GoodOver: BNSF RY
08-RIV-215-38.64-RIV, Riverside, CA
Built 2008 Load: 32.4 t ADT: 40,000
STATE ROUTE 86S
GoodOver: BUCHANAN CHANNEL
08-RIV-086-R11.64, Riverside, CA
Built 2000 Load: 32.4 t ADT: 17,500
STATE ROUTE 111
GoodOver: SALT CREEK
08-RIV-111-1.51, Riverside, CA
Built 2015 Load: 32.4 t ADT: 1,734
CAJALCO OFF-RAMP
GoodOver: BEDFORD WASH
08-RIV-015-36.58, Riverside, CA
Built 2018 Load: 32.4 t ADT: 14,600
W 91 OFF-RAMP
GoodOver: PRADO RD & RAIL ROAD
08-RIV-091-R1.04-COR, Riverside, CA
Built 2017 Load: 32.4 t ADT: 5,371
N15-W91&W91-MAIN
GoodOver: TEMESCAL WASH, BNSF RR
08-RIV-091-6.91, Riverside, CA
Built 2017 Load: 32.4 t ADT: 60,000
STATE ROUTE 91 EB
GoodOver: TEMESCAL WASH,BNSF,METRO
08-RIV-091-6.94-COR, Riverside, CA
Built 2017 Load: 32.4 t ADT: 116,500
STATE ROUTE 86S NB
GoodOver: KINGS STORMWATER CHANNEL
08-RIV-086-R4.74, Riverside, CA
Built 2015 Load: 32.4 t ADT: 153,000
INTERSTATE 10 EB
GoodOver: TEX WASH
08-RIV-010-R102.63, Riverside, CA
Built 2015 Load: 32.4 t ADT: 23,000
NUEVO ROAD
GoodOver: SAN JACINTO RIVER
1.2 MI. W/O LAKEVIEW AVE., Riverside, CA
Built 1956 Load: 32.4 t ADT: 6,862
RAMONA EXPRESSWAY
GoodOver: PERRIS VALLEY STORM DRN
2.2 MI. E/O RTE. 215 FWY., Riverside, CA
Built 1956 Load: 32.4 t ADT: 26,340
6TH STREET(CORONA)
GoodOver: TEMESCAL CREEK CHANNEL
0.1 MI W/O EL SOBRANTE RD, Riverside, CA
Built 1948 Load: 32.4 t ADT: 20,000
DATE PALM DRIVE
GoodOver: UP RR & AMTRAK
0.2 MI. S/O RTE. I-10 FWY, Riverside, CA
Built 1966 Load: 32.4 t ADT: 24,000
49TH AVENUE
GoodOver: COACHELLA CANAL
50' W/O HJORTH ST, Riverside, CA
Built 1989 Load: 32.4 t ADT: 900
DE PALMA ROAD
GoodOver: HORSETHIEF WASH
1.4 MI. S/O INDIAN TRUCK, Riverside, CA
Built 1980 Load: 32.4 t ADT: 12,352
DE PALMA ROAD
GoodOver: INDIAN WASH
0.4 MI. S/O INDIAN TRUCK, Riverside, CA
Built 1980 Load: 32.4 t ADT: 12,352
NBND RIVER ROAD
GoodOver: TEMESCAL CREEK CHANNEL
0.3 MI. NW/O MAIN STREET, Riverside, CA
Built 1983 Load: 32.4 t ADT: 3,000
GUAVA STREET
GoodOver: DE LUZ CREEK
0.2 MI SW/O WASH AVENUE, Riverside, CA
Built 1988 Load: 32.4 t ADT: 1,355
LA SIERRA AVENUE
GoodOver: LAKE MATHEWS OVERFLOW
1.0 MI. N/O CAJALCO ROAD, Riverside, CA
Built 1961 Load: 32.4 t ADT: 5,291
66TH AVENUE
GoodOver: LINCOLN DRAIN DITCH
0.01 MI. E/O RTE 111 HWY, Riverside, CA
Built 1948 Load: 32.4 t ADT: 7,576
DATE PALM DRIVE
GoodOver: WHITEWATER RIVER
0.4 MI N/O PALM CANYON DR, Riverside, CA
Built 1981 Load: 32.4 t ADT: 22,000
6TH AVENUE
GoodOver: "D" CANAL, SIPHON 32
0.6 MI. W/O RTE. 95 HWY., Riverside, CA
Built 1963 Load: 32.4 t ADT: 430
JEFFERSON STREET
GoodOver: LA QUINTA CHANNEL
200' SOUTH OF ST RTE 111, Riverside, CA
Built 1981 Load: 32.4 t ADT: 26,900
GARRETSON AVENUE
GoodOver: MAIN STREET WASH
0.2 MI. N/O MAGNOLIA AVE., Riverside, CA
Built 1975 Load: 32.4 t ADT: 8,000
CATHEDRAL CNYN DR.
GoodOver: CATHEDRAL CYN N. CHANNEL
0.3 MI N/O PALM CANYON DR, Riverside, CA
Built 1973 Load: 32.4 t ADT: 16,000
8TH AVENUE
GoodOver: "C" CANAL (SIPHON 11)
1.47 MI. W/O RTE. 95 HWY., Riverside, CA
Built 1962 Load: 32.4 t ADT: 145
SEELEY AVENUE
GoodOver: "C" CANAL (SIPHON 48)
0.5 MI. W/O LOVEKIN BLVD., Riverside, CA
Built 1964 Load: 32.4 t ADT: 500
22ND AVENUE
GoodOver: "C" CANAL (SIPHON 77)
0.3 MI W/O DEFRAIN BLVD., Riverside, CA
Built 1963 Load: 32.4 t ADT: 300
24TH AVENUE
GoodOver: "C" CANAL (SIPHON 87)
0.5 MI W/O DEFRAIN BLVD., Riverside, CA
Built 1964 Load: 32.4 t ADT: 300
VILLAGE CENTER DR
GoodOver: STRAWBERRY CREEK
200' N/O S. CIRCLE DRIVE, Riverside, CA
Built 1990 Load: 32.4 t ADT: 1,300
DRACAEA AVENUE
GoodOver: SUNNYMEAD STORM CHANNEL
0.2 MI. W/O INDIAN STREET, Riverside, CA
Built 1978 Load: 32.4 t ADT: 3,700
RAINBOW CANYON RD.
GoodOver: PECHANGA CREEK
0.35 MI S/O PECHANGA PKWY, Riverside, CA
Built 1981 Load: 32.4 t ADT: 7,000
RAGSDALE ROAD
GoodOver: LARRY DITCH
0.4 MI W/O ROUTE 177 HWY., Riverside, CA
Built 1982 Load: 32.4 t ADT: 200
BOGERT TRAIL
GoodOver: PALM CANYON WASH
0.9 MI E/O PALM CANYON DR, Riverside, CA
Built 1982 Load: 32.4 t ADT: 2,682
GENE AUTRY TRAIL
GoodOver: HIGHWAY 111 CHANNEL
50' S/O PALM CANYON DRIVE, Riverside, CA
Built 1982 Load: 32.4 t ADT: 1,000
PALM HILLS DRIVE
GoodOver: HIGHWAY 111 CHANNEL
50' S/O PALM CANYON DR., Riverside, CA
Built 1982 Load: 32.4 t ADT: 1,000
RAILROAD AVENUE
GoodOver: EAST CABAZON DITCH
0.2 MI. E/O MAIN STREET, Riverside, CA
Built 1964 Load: 32.4 t ADT: 240
VIA NORTE
GoodOver: MARGARITA CREEK
0.02 MI S CALE PINA COLDA, Riverside, CA
Built 1976 Load: 32.4 t ADT: 3,000
TIERRA DEL ORO
GoodOver: PALM VLY STRMWTR CHANNEL
200' W/O EDGEHILL DRIVE, Riverside, CA
Built 1984 Load: 32.4 t ADT: 300
THRUSH ROAD
GoodOver: PALM VLY STRMWTR CHANNEL
0.2 MI. W/O RTE. 74 HWY., Riverside, CA
Built 1984 Load: 32.4 t ADT: 200
PARK VIEW DRIVE
GoodOver: PALM VLY STRMWTR CHANNEL
0.34 MI. E/O RTE. 111 HWY, Riverside, CA
Built 1984 Load: 32.4 t ADT: 6,200
ALESSANDRO BLVD.
GoodOver: KITCHING STREET CHANNEL
50' W/O KITCHING STREET, Riverside, CA
Built 1982 Load: 32.4 t ADT: 18,100
BELLGRAVE AVENUE
GoodOver: DAY CREEK CHANNEL
0.3 MI. W/O ETIWANDA AVE., Riverside, CA
Built 1980 Load: 32.4 t ADT: 8,000
PORTOLA AVENUE
GoodOver: HAYSTACK CHANNEL
200' N/O HAYSTACK ROAD, Riverside, CA
Built 1984 Load: 32.4 t ADT: 11,000
CEDAR AVENUE
GoodOver: BAUTISTA CREEK CHANNEL
0.2 MI. E/O MOUNTAIN AVE., Riverside, CA
Built 1985 Load: 32.4 t ADT: 2,759
YNEZ ROAD
GoodOver: SANTA GERTRUDIS CREEK
300' NW/O WINCHESTER RD., Riverside, CA
Built 1987 Load: 32.4 t ADT: 13,000
Showing 21,901-21,950 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 |