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
LESTER ROAD
FairOver: HILINE CANAL
00.27 N BRICK MILL, Kittitas, WA
Built 1931 Load: 32.7 t ADT: 794
L GREEN CANYON RD
FairOver: HILINE CANAL
00.12 N SMITHSON RD, Kittitas, WA
Built 1931 Load: 32.7 t ADT: 135
4TH PARALLEL ROAD
FairOver: TURBINE CANAL
00.06 W ROSS RD, Kittitas, WA
Built 1955 Load: 32.7 t ADT: 54
Mt. Adams Rd.
FairOver: WHITE SALMON RIVER
1.4 N JCT SR 141, Klickitat, WA
Built 1958 Load: 32.7 t ADT: 82
OLD HIGHWAY 8
FairOver: ROCK CREEK
4.4 N JCT SR 14, Klickitat, WA
Built 1945 Load: 32.7 t ADT: 43
MT. ADAMS HWY.
FairOver: TROUT CREEK
0.2 N JCT SR 141, Klickitat, WA
Built 1956 Load: 32.7 t ADT: 739
OLD CREAMERY RD
FairOver: TROUT CREEK
1.0 E Jct SR141, N 0.13, Klickitat, WA
Built 1997 Load: 32.7 t ADT: 22
SR 507 & PEARL ST
FairOver: CHINA CRK
0.7 S JCT SR 507, Lewis, WA
Built 1918 Load: 32.7 t ADT: 5,686
SR 508
FairOver: CREEK
24.1 E JCT I-5, Lewis, WA
Built 1937 Load: 32.7 t ADT: 1,171
US 12
FairOver: RAINEY CREEK OVERFLOW
10.4 E JCT SR 7, Lewis, WA
Built 1964 Load: 32.7 t ADT: 4,752
I-5
FairOver: SKOOKUMCHUCK RIVER
0.7 N JCT SR 507, Lewis, WA
Built 1951 Load: 32.7 t ADT: 24,794
I-5
FairOver: SKOOKUMCHUCK RIVER
0.7 N JCT SR 507, Lewis, WA
Built 1951 Load: 32.7 t ADT: 24,794
US 12
FairOver: CORTRIGHT CREEK
1.7 E JCT SR 123, Lewis, WA
Built 1983 Load: 32.7 t ADT: 1,590
STOWELL ROAD
FairOver: MILL CREEK
1.5 N SALKUM, Lewis, WA
Built 1960 Load: 32.7 t ADT: 332
ROCK CREEK RD
FairOver: ROCK CR.
2.5 SW PE ELL, Lewis, WA
Built 1985 Load: 32.7 t ADT: 17
PIGEON SPRINGS RD
FairOver: BERNIER CREEK
6.0 NE ONALASKA, Lewis, WA
Built 1954 Load: 32.7 t ADT: 35
PE ELL MCDONALD RD
FairOver: HALFWAY CREEK
7.33 E PE ELL, Lewis, WA
Built 1956 Load: 32.7 t ADT: 280
CURTIS HILL RD.
FairOver: LAKE CR.
3. SW ADNA, Lewis, WA
Built 1960 Load: 32.7 t ADT: 642
KING ROAD
FairOver: LAKE CREEK
0.62 E JCT 92006, Lewis, WA
Built 1960 Load: 32.7 t ADT: 148
OSBORN ROAD
FairOver: BIG CREEK
11.0 E ELBE, Lewis, WA
Built 1968 Load: 32.7 t ADT: 301
HWY 603
FairOver: CHEHALIS RIVER
0.15 S.E. SR 6, Lewis, WA
Built 1991 Load: 32.7 t ADT: 1,697
BERRY ROAD
FairOver: STEARNS CREEK
4.0 W NAPAVINE, Lewis, WA
Built 1994 Load: 32.7 t ADT: 20
GUERRIER ROAD
FairOver: S FK NEWAUKUM RIVER
2.0 SE FOREST, Lewis, WA
Built 1996 Load: 32.7 t ADT: 261
FALLS ROAD
FairOver: LAMBERT CREEK
8.19 SW RANDLE, Lewis, WA
Built 2004 Load: 32.7 t ADT: 99
Cecil Creek Rd
FairOver: Sinlahekin Creek
2 miles south of Loomis, Okanogan, WA
Built 1975 Load: 32.7 t ADT: 20
US 101
FairOver: COLUMBIA R MEGLER
3.65 S OREGON LINE, Pacific, WA
Built 1966 Load: 32.7 t ADT: 6,800
US 101
FairOver: COLUMBIA R
0.96 S OREGON LINE, Pacific, WA
Built 1966 Load: 32.7 t ADT: 23,300
SR 410
FairOver: WHITE RIVER
1.3 E JCT SR 165, Pierce, WA
Built 1949 Load: 32.7 t ADT: 21,581
I-5
FairOver: PENDLETON AVE
4.4 N THURSTON CO, Pierce, WA
Built 1957 Load: 32.7 t ADT: 127,054
I-5
FairOver: CLOVER CREEK
10.9 N THURSTON CO, Pierce, WA
Built 1957 Load: 32.7 t ADT: 132,085
ROAD
FairOver: GREENWATER RIVER
8.4 MI E OF HY 410/70 JCT, Pierce, WA
Built 1958 Load: 32.7 t ADT: 143
288 ST E
FairOver: SOUTH CREEK TRIBUTARY
.42 W JCT SR161, Pierce, WA
Built 1942 Load: 32.7 t ADT: 250
12TH AVE SW
FairOver: CLARKS CREEK
1 MI WEST OF SR 512, Pierce, WA
Built 1972 Load: 32.7 t ADT: 245
IRR VALLEY AVENUE
FairOver: UNION PACIFIC RAILROAD
2.2 E JCT SR 5, Pierce, WA
Built 1995 Load: 32.7 t ADT: 18,765
B STREET
FairOver: CLOVER CREEK
GRID COORD ET384211, Pierce, WA
Built 1950 Load: 32.7 t ADT: 50
LEVITOW BLVD
FairOver: CLOVER CREEK
GRID COORD ET385210, Pierce, WA
Built 1980 Load: 32.7 t ADT: 1,000
WHARF ROAD
FairOver: DRAINAGE CANAL
GRID COORD ET275180, Pierce, WA
Built 1950 Load: 32.7 t ADT: 200
SOLO POINT ROAD
FairOver: DRAINAGE CANAL
GRID COORD ET274191, Pierce, WA
Built 1954 Load: 32.7 t ADT: 200
33RD DIV & TANK TR
FairOver: MUCK CREEK
GRID COORD ET338057, Pierce, WA
Built 1994 Load: 32.7 t ADT: 500
I STREET
FairOver: DRAINAGE CANAL
GRID COORD ET287177, Pierce, WA
Built 1950 Load: 32.7 t ADT: 100
I-5
FairOver: GN RY
2.1 N JCT SR 11, Skagit, WA
Built 1963 Load: 32.7 t ADT: 26,524
I-5
FairOver: GN RY
2.1 N JCT SR 11, Skagit, WA
Built 1963 Load: 32.7 t ADT: 26,524
FRANCIS ROAD
FairOver: SLOUGH NO NAME
2.0 W JCT SR9, Skagit, WA
Built 1958 Load: 32.7 t ADT: 4,694
BURMASTER ROAD
FairOver: COAL CREEK
1.2 E JCT MINKLER, Skagit, WA
Built 1958 Load: 32.7 t ADT: 353
GREEN ROAD
FairOver: THOMAS CREEK
0.01 S KELLEHER RD, Skagit, WA
Built 1958 Load: 32.7 t ADT: 54
FRIDAY CREEK ROAD
FairOver: FRIDAY CREEK
2.16 N JCT OLD 99 N, Skagit, WA
Built 1964 Load: 32.7 t ADT: 237
FRIDAY CREEK ROAD
FairOver: FRIDAY CREEK
0.6 N JCT OLD 99 N, Skagit, WA
Built 1963 Load: 32.7 t ADT: 184
SOUTH SKAGIT HWY
FairOver: O'TOOLE CREEK
15.0 E JCT SR 9, Skagit, WA
Built 1959 Load: 32.7 t ADT: 635
FRIDAY CREEK ROAD
FairOver: FRIDAY CREEK
0.4 N JCT OLD 99, Skagit, WA
Built 1961 Load: 32.7 t ADT: 184
FRIDAY CREEK ROAD
FairOver: FRIDAY CREEK
0.3 N. of JCT w/ Old 99, Skagit, WA
Built 1961 Load: 32.7 t ADT: 165
Showing 3,651-3,700 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 |