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
LAUREL GLEN BL
FairOver: ARVIN-EDISON CANAL
0.19 MI W GOSFORD RD, Kern, CA
Built 1964 Load: 32.4 t ADT: 1,877
FRAZIER MTN PK RD
FairOver: NO NAME DITCH
0.1 MI W/O I-5, Kern, CA
Built 1975 Load: 32.4 t ADT: 13,000
CALCUTTA DR
FairOver: KERN ISLAND CANAL
EAST OF SOUTH 'H' ST, Kern, CA
Built 1979 Load: 32.4 t ADT: 4,700
FRUITVALE AVE
FairOver: CALLOWAY CANAL
0.03 MI N OF ROSEDALE HWY, Kern, CA
Built 1980 Load: 32.4 t ADT: 11,800
DISTRICT BLVD
FairOver: ARVIN-EDISON CANAL
0.6 MI W OF ASHE ROAD, Kern, CA
Built 1985 Load: 32.4 t ADT: 9,800
OLD RIVER RD
FairOver: KERN RIVER CANAL
SOUTH OF STOCKDALE HGHWY, Kern, CA
Built 1987 Load: 32.4 t ADT: 20,300
STOCKDALE HWY
FairOver: CROSS VALLEY CANAL
0.7 MI E ALLEN RD, Kern, CA
Built 1990 Load: 32.4 t ADT: 16,000
COFFEE ROAD
FairOver: FRIANT-KERN CANAL
0.30 MI N OF ROSEDALE HWY, Kern, CA
Built 1990 Load: 32.4 t ADT: 40,900
CALLOWAY DRIVE
FairOver: KERN RIVER
0.1 MI N OF STOCKDALE HWY, Kern, CA
Built 1997 Load: 32.4 t ADT: 20,400
CALLOWAY DRIVE
FairOver: CROSS VALLEY CANAL
0.5 MI N OF STOCKDALE HWY, Kern, CA
Built 1997 Load: 32.4 t ADT: 20,400
CHESTER AVE SB
FairOver: KERN RIVER
0.3 MI S ROBERTS LANE, Kern, CA
Built 2007 Load: 32.4 t ADT: 9,973
ERSKINE CREEK RD
FairOver: BOREL CANAL
EAST OF EDNA ST., Kern, CA
Built 2003 Load: 32.4 t ADT: 7,000
MONITOR STREET
FairOver: ARVIN-EDISON CANAL
S OF IVY TRAE LANE, Kern, CA
Built 2002 Load: 32.4 t ADT: 5,000
MING AVE
FairOver: KERN RIVER CANAL
AT RIVER RUN AVE, Kern, CA
Built 2002 Load: 32.4 t ADT: 6,000
HAGEMAN ROAD
FairOver: FRIANT-KERN CANAL
SOUTH OF OLIVE DRIVE, Kern, CA
Built 1994 Load: 32.4 t ADT: 26,000
JET WAY
FairOver: FRIANT-KERN CANAL
JUST EAST OF COFFEE RD, Kern, CA
Built 1996 Load: 32.4 t ADT: 3,000
7TH STANDARD ROAD
FairOver: CALLOWAY CANAL
WEST OF CALLOWAY ROAD, Kern, CA
Built 2010 Load: 32.4 t ADT: 9,723
WESTSIDE PARKWAY
FairOver: FRIANT-KERN CANAL
NEAR BRIMHALL ROAD, Kern, CA
Built 2011 Load: 32.4 t ADT: 20,530
MOHAWK STREET
FairOver: KERN RIVER
0.17 MI NORTH OF TRUXTUN, Kern, CA
Built 2011 Load: 32.4 t ADT: 18,843
MOHAWK STREET
FairOver: BNSF RAILROAD TRACKS
MOHAWK, Kern, CA
Built 2011 Load: 32.4 t ADT: 18,843
WESTSIDE PARKWAY
FairOver: KERN RIVER
WEST OF TRUXTUN AVE, Kern, CA
Built 2013 Load: 32.4 t ADT: 1,000
ARROW STREET
FairOver: CALLOWAY CANAL
S OF RTE 204, E OF RTE 99, Kern, CA
Built 2006 Load: 32.4 t ADT: 1,000
RANDSBURG CUTOFF
FairOver: CACHE CREEK
5 MI NORTH OF MOJAVE, Kern, CA
Built 2003 Load: 32.4 t ADT: 5,000
17TH STREET
FairOver: KERN ISLAND CANAL
EAST OF "R" STREET, Kern, CA
Built 2008 Load: 32.4 t ADT: 200
COFFEE ROAD
FairOver: BNSF,AMTRAK, FRONTAGE RD
0.46 MI SOUTH OF SR 58, Kern, CA
Built 1999 Load: 32.4 t ADT: 51,375
172ND STREET WEST
FairOver: DWP MOJAVE CONDUIT
3.0 MI N. OF ROSAMOND RD, Kern, CA
Built 2011 Load: 32.4 t ADT: 500
170TH STREET WEST
FairOver: DWP PIPELINE
0.3 MI N OF ROSAMOND BLVD, Kern, CA
Built 2012 Load: 32.4 t ADT: 300
ROSEDALE HWY
FairOver: KERN RIVER
0.2 MI EAST SR 99, Kern, CA
Built 1993 Load: 32.4 t ADT: 26,000
TEHACHAPI BLVD
FairOver: CACHE CREEK
0.3 MI E OF SAN CANYON RD, Kern, CA
Built 2012 Load: 32.4 t ADT: 100
STATE ROUTE 198
FairOver: LEMOORE CANAL
06-KIN-198-R11.18, Kings, CA
Built 1962 Load: 32.4 t ADT: 21,300
STATE ROUTE 198
FairOver: LAST CHANCE DITCH
06-KIN-198-R16.02, Kings, CA
Built 1964 Load: 32.4 t ADT: 27,500
STATE ROUTE 41
FairOver: BUSH STREET
06-KIN-041-R40.99, Kings, CA
Built 1998 Load: 32.4 t ADT: 4,550
STATE ROUTE 41
FairOver: CIMARRON RR
06-KIN-041-R41.16, Kings, CA
Built 1999 Load: 32.4 t ADT: 4,550
STATE ROUTE 41
FairOver: CIMARRON RR
06-KIN-041-R41.16, Kings, CA
Built 1999 Load: 32.4 t ADT: 4,550
GRANGEVILLE BL
FairOver: KINGS RIVER
0.6 MI W OF 22ND AVE, Kings, CA
Built 1959 Load: 32.4 t ADT: 3,610
LACEY BLVD
FairOver: LAST CHANCE DITCH
NEAR 13TH AVE, Kings, CA
Built 1994 Load: 32.4 t ADT: 9,036
16TH AVE
FairOver: LOWER KINGS RIVER DITCH
1.1 KM S FLINT AVE, Kings, CA
Built 1990 Load: 32.4 t ADT: 1,000
DENVER AVE
FairOver: LAKELAND CANAL
0.5 MI W/O 4TH AVE, Kings, CA
Built 1990 Load: 32.4 t ADT: 1,000
KENT AVE.
FairOver: CROSS CREEK
0.1 MI WEST OF 6TH AV., Kings, CA
Built 1998 Load: 32.4 t ADT: 400
NILES AVENUE
FairOver: MIDDLE BRANCH CROSS CRK
0.4 MI W 9TH AVE, Kings, CA
Built 2001 Load: 32.4 t ADT: 1,000
ELDER AVE
FairOver: PEOPLES DITCH
0.2 MI W/O SR 43, Kings, CA
Built 1977 Load: 32.4 t ADT: 450
COLONY RD
FairOver: LEMOORE CANAL
0.2 MI E 17TH AVE, Kings, CA
Built 1978 Load: 32.4 t ADT: 100
NILES AVE
FairOver: SWEET CANAL
BTWN 5TH AVE & 5 1/2 AVE, Kings, CA
Built 1996 Load: 32.4 t ADT: 200
STATE ROUTE 20
FairOver: NORTH FORK CACHE CREEK
01-LAK-020-37.07, Lake, CA
Built 1989 Load: 32.4 t ADT: 6,300
STATE ROUTE 29
FairOver: ROBINSON CREEK
01-LAK-029-50.82, Lake, CA
Built 1947 Load: 32.4 t ADT: 5,700
STATE ROUTE 20
FairOver: POLK JONES CATTLEPASS
01-LAK-020-9.41, Lake, CA
Built 1955 Load: 32.4 t ADT: 8,000
STATE ROUTE 29
FairOver: SCOTTS CREEK
01-LAK-029-52.11, Lake, CA
Built 1989 Load: 32.4 t ADT: 5,700
STATE ROUTE 29
FairOver: SEIGLER CREEK
01-LAK-029-20.37, Lake, CA
Built 1991 Load: 32.4 t ADT: 10,600
STATE ROUTE 29
FairOver: COLE CREEK
01-LAK-029-32.91, Lake, CA
Built 1959 Load: 32.4 t ADT: 10,350
SR 53
FairOver: CACHE CREEK
01-LAK-053-1.10, Lake, CA
Built 1997 Load: 32.4 t ADT: 8,500
Showing 12,701-12,750 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.