Total Bridges
8,808
Public highway bridges in Washington
State profile · Below national median SD
Washington bridge safety
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Washington — drawn straight from the FHWA National Bridge Inventory.
- 8,808
- Public bridges
- 42.4%
- Good condition
- 4.8%
- Poor condition
- 4.8%
- Structurally deficient
Good Condition
42.4%
3,734 bridges rated 7-9
-7.6pp vs 50% benchmark
Poor Condition
4.8%
424 bridges rated 0-4
Structurally Deficient
4.8%
424 bridges flagged for repair priority
-2.2pp vs national avg 7.0%
Washington vs national bridge condition
Washington — Good condition share 42.4%
National avg
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Washington — Structurally deficient share 16.0%
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 — Washington (FHWA NBI)
Counties (39)
Adams 190 Asotin 29 Benton 173 Chelan 154 Clallam 152 Clark 228 Columbia 86 Cowlitz 167 Douglas 40 Ferry 54 Franklin 138 Garfield 54 Grant 314 Grays Harbor 365 Island 8 Jefferson 100 King 1364 Kitsap 119 Kittitas 311 Klickitat 91 Lewis 422 Lincoln 181 Mason 139 Okanogan 163 Pacific 120 Pend Oreille 72 Pierce 502 San Juan 13 Skagit 256 Skamania 120 Snohomish 516 Spokane 360 Stevens 81 Thurston 216 Wahkiakum 36 Walla Walla 200 Whatcom 358 Whitman 351 Yakima 565
Washington 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 Washington on the same metric.
06
California
4.60% top marginal rate
05
Arkansas
4.71% top marginal rate
53
Washington
4.81% top marginal rate
18
Indiana
4.94% top marginal rate
20
Kansas
5.25% top marginal rate
Bridges Needing Most Attention in Washington
Six lowest-condition bridges in Washington, ranked by composite NBI rating. Each is inspected at least every 24 months.
SILVER CK RD 00670
Structurally DeficientOver: NINE MILE CREEK
19.05 E SR 21, Ferry, WA
Built 1958 Load: 2.7 t ADT: 47
4TH ST
PoorOver: MILL CREEK
4TH AND MILL CR, Walla Walla, WA
Built 1908 Load: 2.7 t ADT: 2,624
NO DATA ENTERED
Structurally DeficientOver: WEST BRANCH LECLERC CREE
NO DATA ENTERED, Pend Oreille, WA
Built 1954 Load: 3.5 t ADT: 5
STEVENS RD. -IRRIG
PoorOver: DRAIN
00.26 NO CHAMBERS, Yakima, WA
Built 1965 Load: 3.6 t ADT: 68
PEARL HILL RD
PoorOver: JORDAN CREEK
1.44 E JCT HILAND ORCH RD, Douglas, WA
Built 1953 Load: 4.2 t ADT: 72
FARM ACCESS
PoorOver: ROZA ID WASTEWAY NO 3
NR PARKER HEIGHTS, WA, Yakima, WA
Built 1955 Load: 4.4 t ADT: 10
All Bridges in Washington
E SARGENT BLVD
FairOver: ELLIOTT SLOUGH
E SARGENT BLVD, Grays Harbor, WA
Built 1969 Load: 26.3 t ADT: 1,504
BELFRAGE ROAD
FairOver: LUDLOW CREEK
0.1W JCT FAS9517, Jefferson, WA
Built 1977 Load: 26.3 t ADT: 20
SR 99
FairOver: N 63RD ST
9.8 N JCT SR 509, King, WA
Built 1932 Load: 26.3 t ADT: 32,577
US 2
FairOver: STREAM
5.8 E SNOHOMISH CO, King, WA
Built 1937 Load: 26.3 t ADT: 5,562
SR 203
FairOver: SLOUGH
15.8 N JCT SR 202, King, WA
Built 1945 Load: 26.3 t ADT: 10,190
4TH AVE S
FairOver: RAILROAD STATION
4th Ave S & Jackson St, King, WA
Built 1910 Load: 26.3 t ADT: 13,500
SW ADMIRAL WAY
FairOver: RAVINE, FAIRMOUNT AVE
4001 SW ADMIRAL WAY, King, WA
Built 1927 Load: 26.3 t ADT: 31,000
US 12
FairOver: MILL CREEK
12.5 E JCT I-5, Lewis, WA
Built 1938 Load: 26.3 t ADT: 7,791
NO DATA ENTERED
FairOver: BIG CREEK
200' SOUTH OF JCT. FS RD, Lewis, WA
Built 1959 Load: 26.3 t ADT: 30
FERRIER RD
FairOver: OLEQUA CREEK
0.23 E J WINLOCK-VADER RD, Lewis, WA
Built 1924 Load: 26.3 t ADT: 215
LOST VALLEY ROAD
FairOver: LOST VALLEY CREEK
1.0 W BOISTFORT, Lewis, WA
Built 1953 Load: 26.3 t ADT: 106
CEDAR CREEK ROAD
FairOver: CEDAR CREEK
0.11 N.JCT. 52410, Lewis, WA
Built 1977 Load: 26.3 t ADT: 63
OYLER ROAD
FairOver: LACAMAS CREEK
2.0 S MARYS CORNER, Lewis, WA
Built 1952 Load: 26.3 t ADT: 398
GARRARD CREEK RD.
FairOver: SOUTH FORK GARRARD CR.
4.36 W.JCT.91008, Lewis, WA
Built 1965 Load: 26.3 t ADT: 107
NO DATA ENTERED
FairOver: MID FORK SATSOP RIVER
NO DATA ENTERED, Mason, WA
Built 1967 Load: 26.3 t ADT: 50
NO DATA ENTERED
FairOver: WASHINGTON CREEK
NO DATA ENTERED, Mason, WA
Built 1965 Load: 26.3 t ADT: 10
SALMON MEADOWS RD
FairOver: N.FORK SALMON CREEK
NO DATA ENTERED, Okanogan, WA
Built 1949 Load: 26.3 t ADT: 76
OVERMEYER ROAD
FairOver: ELK CREEK
1.5 E JCT 101 105, Pacific, WA
Built 1987 Load: 26.3 t ADT: 134
TRASK ROAD
FairOver: SO FORK PALIX RIVER
11.8 N JCT 4 & 101, Pacific, WA
Built 1992 Load: 26.3 t ADT: 159
NO DATA ENTERED
FairOver: SULLIVAN CREEK
NO DATA ENTERED, Pend Oreille, WA
Built 1958 Load: 26.3 t ADT: 33
SR 165
FairOver: GULCH NO 1
12.1 N RAINIER PARK, Pierce, WA
Built 1957 Load: 26.3 t ADT: 267
320 ST E
FairOver: SOUTH CREEK
.47 E JCT SR7, Pierce, WA
Built 1934 Load: 26.3 t ADT: 600
NORTH HERRON RD NW
FairOver: HERRON BAY
3.2 W JCT KEY PENNINSULA, Pierce, WA
Built 1954 Load: 26.3 t ADT: 350
FARM TO MARKET RD.
FairOver: SAMISH R
5.9 N JCT SR 20, Skagit, WA
Built 1963 Load: 26.3 t ADT: 920
SR 20
FairOver: SHIP HBR/GUEMES CHANNEL
7.8N ON SR20 SPUR, Skagit, WA
Built 1971 Load: 26.3 t ADT: 3,227
SR 20
FairOver: SHIP HBR/GUEMES CHANNEL
7.8N ON SR20 SPUR, Skagit, WA
Built 1971 Load: 26.3 t ADT: 3,227
SR 14
FairOver: SP S RY
37.8 E CLARK CO, Skamania, WA
Built 1936 Load: 26.3 t ADT: 3,587
NO DATA ENTERED
FairOver: BIG CREEK
8.9 MILES EAST OF JCT. FS, Skamania, WA
Built 1966 Load: 26.3 t ADT: 99
NO DATA ENTERED
FairOver: CASCADE CREEK
1.4 MILE NORTH OF TROUT L, Skamania, WA
Built 1956 Load: 26.3 t ADT: 50
NO DATA ENTERED
FairOver: WHITE SALMON RIVER
1.4 MILE NORTH OF TROUT L, Skamania, WA
Built 1957 Load: 26.3 t ADT: 25
I-5
FairOver: ABANDONED RR
3.5 N JCT SR 527, Snohomish, WA
Built 1967 Load: 26.3 t ADT: 76,668
RD. NO. 26
FairOver: SULPHUR CREEK
M.P. 22.9 RD. NO. 26, Snohomish, WA
Built 1964 Load: 26.3 t ADT: 79
ROAD
FairOver: MEADOW CREEK
3.9 MI E OF 65/6530 JCT, Snohomish, WA
Built 1969 Load: 26.3 t ADT: 8
LARSON RD
FairOver: SO SLOUGH STILLAGUAMISH
0.6 W JCT PIONEER HY, Snohomish, WA
Built 1963 Load: 26.3 t ADT: 3,883
INDEX-GARLAND RD
FairOver: N.F. SKYKOMISH RIVER
10.1 NE JCT SR 2, Snohomish, WA
Built 1970 Load: 26.3 t ADT: 54
214TH ST SE
FairOver: NORTH CREEK
0.1 W JCT SR527, Snohomish, WA
Built 1999 Load: 26.3 t ADT: 725
INDEX-GALENA RD
FairOver: LEWIS CREEK
2.4 NE JCT SR 2, Snohomish, WA
Built 2003 Load: 26.3 t ADT: 186
VALLEY VIEW RD
FairOver: DAKOTA CR
00.1 N OF BEHME RD., Whatcom, WA
Built 1934 Load: 26.3 t ADT: 1,033
REVERE/4020
FairOver: BNRR ABANDONED LINE
0.18 MI N LAMONT, Whitman, WA
Built 1975 Load: 26.3 t ADT: 8
ENDICTT-ST JN/4230
FairOver: LITTLE VALLEY CREEK
7.59 MI SE SR 23, Whitman, WA
Built 1936 Load: 26.3 t ADT: 243
I-82
FairOver: NACHES RIVER
0.5 E JCT SR 823, Yakima, WA
Built 1932 Load: 26.3 t ADT: 23,751
WESLEY RD.
FairOver: SIMCOE CREEK
.13 N. of W. White Swan, Yakima, WA
Built 1960 Load: 26.3 t ADT: 1,150
FARM ACCESS
FairOver: East Low 68 Mile Lateral
EL 68 Station 171+00, Adams, WA
Built 1953 Load: 26.4 t ADT: 20
BOOKER RD
FairOver: EAST LOW CANAL
00.67 MI S HERMAN, Adams, WA
Built 1971 Load: 26.6 t ADT: 1,682
COUNTY ROAD 1100
FairOver: MAGUIRE GULCH
MAGUIRE GULCH, Asotin, WA
Built 1948 Load: 26.6 t ADT: 412
OLYMPIA STREET
FairOver: KID CANAL
00.20 S 45TH AVENUE, Benton, WA
Built 1964 Load: 26.6 t ADT: 2,852
TACOMA AVENUE
FairOver: LEWIS STREET
1.3 SE US 12, Franklin, WA
Built 1936 Load: 26.6 t ADT: 332
9 NW
FairOver: WINCHESTER WW
9 NW .7 mile E of K NW, Grant, WA
Built 1953 Load: 26.6 t ADT: 617
US 12
FairOver: RAILROAD
13.0 E JCT SR 8, Grays Harbor, WA
Built 1932 Load: 26.6 t ADT: 5,708
W. SNOQ VALLEY RD
FairOver: TUCK CREEK
JCT W SNOQ VALLEY RD, King, WA
Built 1999 Load: 26.6 t ADT: 5,973
Showing 3,001-3,050 of 8,808 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 |