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
CROW CANYON RD
GoodOver: CROW CREEK
1.3 MI NE OF I-580, Alameda, CA
Built 1970 Load: 34.3 t ADT: 28,800
GOLD STRIKE RD
GoodOver: MURRAY CREEK
1.7 MI SW/O SR 49, Calaveras, CA
Built 1949 Load: 34.3 t ADT: 1,364
S JAMES ROAD
GoodOver: JAMES BYPASS
4 MI S OF SR 180, Fresno, CA
Built 1956 Load: 34.3 t ADT: 2,200
US HIGHWAY 395 NB
GoodOver: FIVE MILE CANYON
09-INY-395-R5.12R, Inyo, CA
Built 1970 Load: 34.3 t ADT: 6,400
INTERSTATE 5
GoodOver: CASTAIC CREEK
07-LA-005-R56.26, Los Angeles, CA
Built 1968 Load: 34.3 t ADT: 54,420
STA RTE 2
GoodOver: RIPPLE STREET
07-LA-002-15.44-LA, Los Angeles, CA
Built 1961 Load: 34.3 t ADT: 5,600
INTERSTATE 10 EB
GoodOver: EATON WASH
07-LA-010-27.85-EMTE, Los Angeles, CA
Built 1956 Load: 34.3 t ADT: 104,700
STATE ROUTE 57
GoodOver: LACMTA & BNSF RY
07-LA-057-R11.15-SDMS, Los Angeles, CA
Built 1971 Load: 34.3 t ADT: 158,000
STATE ROUTE 14
GoodOver: AVENUE "I"
07-LA-014-R68.96-LAN, Los Angeles, CA
Built 1972 Load: 34.3 t ADT: 25,500
STATE ROUTE 14
GoodOver: AVENUE "I"
07-LA-014-R68.96-LAN, Los Angeles, CA
Built 1972 Load: 34.3 t ADT: 25,500
GLENDORA AVE
GoodOver: WALNUT CRK
AT VALINDA AVE, Los Angeles, CA
Built 1961 Load: 34.3 t ADT: 9,348
MAYFIELD AVE
GoodOver: PICKENS CYN CHAN
0.5MI W/O OCEAN V BLVD, Los Angeles, CA
Built 1936 Load: 34.3 t ADT: 556
SAN FRANCISQUITO
GoodOver: SAN FRANCISQUITO CN CRK
5.0MI N/O COPPER HILL DR, Los Angeles, CA
Built 2005 Load: 34.3 t ADT: 4,458
STATE ROUTE 1
GoodOver: BLUE SLIDE GULCH
01-MEN-001-75.00, Mendocino, CA
Built 1946 Load: 34.3 t ADT: 830
STATE ROUTE 1 NB
GoodOver: LAKE DRIVE
05-MON-001-R85.51, Monterey, CA
Built 1976 Load: 34.3 t ADT: 23,000
HARO ST
GoodOver: TEMBLADERO SLOUGH
0.2 MI S SR 183, Monterey, CA
Built 1966 Load: 34.3 t ADT: 200
COLOMA WAY
GoodOver: CIRBY CREEK
0.1 MI E SUNRISE AVE, Placer, CA
Built 1968 Load: 34.3 t ADT: 3,200
CALLE ENCILIA
GoodOver: BARISTO FLOOD CONTROL CH
0.20 MI. N/O RAMON ROAD, Riverside, CA
Built 1966 Load: 34.3 t ADT: 2,842
WYNHAM DR
GoodOver: UNION HOUSE CREEK
0.1 MI W BRUCEVILLE RD, Sacramento, CA
Built 1975 Load: 34.3 t ADT: 4,257
INTERSTATE 15 SB
GoodOver: TONO DITCH
08-SBD-015-R123.09, San Bernardino, CA
Built 1965 Load: 34.3 t ADT: 37,500
INTERSTATE 15 SB
GoodOver: MOBI DITCH
08-SBD-015-R135.05, San Bernardino, CA
Built 1965 Load: 34.3 t ADT: 22,000
INTERSTATE 15 NB
GoodOver: MOBI DITCH
08-SBD-015-R135.05, San Bernardino, CA
Built 1965 Load: 34.3 t ADT: 22,000
INTERSTATE 15 SB
GoodOver: EAST MANIX WASH
08-SBD-015-R100.67, San Bernardino, CA
Built 1963 Load: 34.3 t ADT: 28,000
INTERSTATE 15 NB
GoodOver: EAST MANIX WASH
08-SBD-015-R100.67, San Bernardino, CA
Built 1963 Load: 34.3 t ADT: 28,000
STATE ROUTE 18
GoodOver: HILLSIDE
08-SBD-018-R12.49, San Bernardino, CA
Built 1966 Load: 34.3 t ADT: 16,800
RIVER VALLEY DRIVE
GoodOver: CLOVER CREEK
0.1 MI W OF AIRPORT RD, Shasta, CA
Built 1934 Load: 34.3 t ADT: 300
STATE ROUTE 49
GoodOver: SMITHNECK CREEK
03-SIE-049-60.54-LOY, Sierra, CA
Built 1965 Load: 34.3 t ADT: 1,900
ELK CREEK ROAD
GoodOver: ELK CREEK
5.1 MI S OF SR96, Siskiyou, CA
Built 1967 Load: 34.3 t ADT: 293
GRAYSON ROAD
GoodOver: SAN JOAQUIN RIVER
0.2 MI N/E OF COX RD, Stanislaus, CA
Built 1962 Load: 34.3 t ADT: 5,299
INTERSTATE 5 SB
GoodOver: RICE CREEK
02-TEH-005-R4.02, Tehama, CA
Built 1966 Load: 34.3 t ADT: 12,300
INTERSTATE 5 NB
GoodOver: RICE CREEK
02-TEH-005-R4.02, Tehama, CA
Built 1966 Load: 34.3 t ADT: 12,300
STATE ROUTE 3
GoodOver: BROWNS CREEK
02-TRI-003-R26.30, Trinity, CA
Built 1973 Load: 34.3 t ADT: 1,450
A 280 (VISALIA RD)
GoodOver: DEEP CREEK
0.2 MI E OF RD 164, Tulare, CA
Built 1930 Load: 34.3 t ADT: 9,525
STATE ROUTE 33 NB
GoodOver: CROOKED PALM ROAD
07-VEN-033-R3.26, Ventura, CA
Built 1970 Load: 34.3 t ADT: 15,500
U.S. HIGHWAY 101
GoodOver: HILLSIDE
07-VEN-101-4.53-THOK, Ventura, CA
Built 1982 Load: 34.3 t ADT: 192,000
DARLING RD
GoodOver: FRANKLIN-WASON BARRANCA
.5 MI NE OF WELLS RD, Ventura, CA
Built 1981 Load: 34.3 t ADT: 500
GRIMES CANYON RD
GoodOver: GRIMES CANYON WASH
1.4 MI N OF S.R. 118, Ventura, CA
Built 1967 Load: 34.3 t ADT: 3,100
INTERSTATE 80
GoodOver: YOLO CAUSEWAY EAST
03-YOL-080-7.25, Yolo, CA
Built 1963 Load: 34.3 t ADT: 135,000
CR 90A(BUCKEYE RD)
GoodOver: DRY SLOUGH
0.83 MI N OF SR 128, Yolo, CA
Built 1947 Load: 34.3 t ADT: 121
COUNTY ROAD 2
GoodOver: TEHAMA-COLUSA CANAL
0.8 MI W/O I-5, Yolo, CA
Built 1978 Load: 34.3 t ADT: 225
STATE ROUTE 65 SB
GoodOver: HUTCHINSON CREEK
03-YUB-065-R7.44, Yuba, CA
Built 1971 Load: 34.3 t ADT: 7,200
N.E.E.D. CAMP ROAD
GoodOver: LOWER CLEAR CREEK
1.5 miles southwest of Hw, Shasta, CA
Built 2004 Load: 34.5 t ADT: 30
INTERSTATE 5
GoodOver: NORTH BRANCH SAND CREEK
03-COL-005-R9.79, Colusa, CA
Built 1967 Load: 34.7 t ADT: 15,000
INTERSTATE 5
GoodOver: NORTH BRANCH SAND CREEK
03-COL-005-R9.79, Colusa, CA
Built 1967 Load: 34.7 t ADT: 15,000
W DAVIS AVE
GoodOver: LIBERTY MILLRACE CANAL
2 MI W OF MARKS AVE, Fresno, CA
Built 1948 Load: 34.7 t ADT: 400
INTERSTATE 5 SB
GoodOver: TEHAMA-COLUSA CANAL
03-GLE-005-R21.34, Glenn, CA
Built 1966 Load: 34.7 t ADT: 12,750
INTERSTATE 5 NB
GoodOver: TEHAMA-COLUSA CANAL
03-GLE-005-R21.34, Glenn, CA
Built 1966 Load: 34.7 t ADT: 12,750
FAMOSO WOODY ROAD
GoodOver: POSO CREEK
0.1 MI E FAMOSO PORTERVLE, Kern, CA
Built 1970 Load: 34.7 t ADT: 2,250
STATE ROUTE 1
GoodOver: PENA CANYON
07-LA-001-41.81-MAL, Los Angeles, CA
Built 1940 Load: 34.7 t ADT: 42,500
STATE ROUTE 118 EB
GoodOver: SHARP AVE
07-LA-118-R11.32R-LA, Los Angeles, CA
Built 1976 Load: 34.7 t ADT: 122,000
Showing 23,951-24,000 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 |