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
PINECTY-MALDN/3000
FairOver: PINE CREEK
13.95 MI NE SR 23, Whitman, WA
Built 1971 Load: 21.8 t ADT: 300
LONE PINE/0200
FairOver: HANGMAN CREEK
0.09 MI S SR 27, Whitman, WA
Built 1975 Load: 21.8 t ADT: 51
DAM ACCESS
FairOver: WILDCAT CREEK, WA
TIETON DAM, WA, Yakima, WA
Built 1998 Load: 21.8 t ADT: 10
SR 112
FairOver: W TWIN RIVER
15.8 E JCT SR 113, Clallam, WA
Built 1954 Load: 22.0 t ADT: 820
KELLOG HOLLOW RD.
FairOver: KELLOG HOLLOW
5.6 S JCT SR 261, Columbia, WA
Built 1966 Load: 22.0 t ADT: 300
SOUTH TOUTLE RD
FairOver: SOUTH TOUTLE RIVER
1.16 E SR 504 (MP 10.55), Cowlitz, WA
Built 1971 Load: 22.0 t ADT: 1,400
I-90
FairOver: MOSES LAKE
23.8 E JCT SR 281, Grant, WA
Built 1958 Load: 22.0 t ADT: 14,251
M ROAD SE
FairOver: LIND COULEE WASTEWAY
M SE 0.3 North of SR 262, Grant, WA
Built 1953 Load: 22.0 t ADT: 1,125
SR 109
FairOver: WRECK CREEK
19.1 N JCT SR 115, Grays Harbor, WA
Built 1957 Load: 22.0 t ADT: 1,323
SR 105
FairOver: NEWSKAH CREEK
14.9 N JCT SR 105 SP, Grays Harbor, WA
Built 1953 Load: 22.0 t ADT: 6,067
OCEAN BEACH ROAD
FairOver: HUMPTULIPS RIVER OVERFLO
09.4 NW JCT US 101, Grays Harbor, WA
Built 1960 Load: 22.0 t ADT: 2,531
SR 522 RAMP
FairOver: SAMMAMISH RIVER
1.3 E JCT SR 527, King, WA
Built 1968 Load: 22.0 t ADT: 9,413
SW SPOKANE ST
FairOver: KLICKITAT, E MARGINAL RR
1200 SW Spokane St, King, WA
Built 1991 Load: 22.0 t ADT: 11,000
RAILROAD AVENUE
FairOver: MERCER CREEK
RR AVE & MERCER CR, Kittitas, WA
Built 1979 Load: 22.0 t ADT: 2,710
SR 23
FairOver: UP RR
0.6 N WHITMAN CO, Lincoln, WA
Built 1949 Load: 22.0 t ADT: 398
SR 153
FairOver: BLACK CANYON CREEK
6.6 N JCT US 97, Okanogan, WA
Built 1949 Load: 22.0 t ADT: 1,621
S 4TH STREET
FairOver: DOCK STREET
2.0 N JCT I-5 SR73, Pierce, WA
Built 1987 Load: 22.0 t ADT: 4,000
7TH AVE SW
FairOver: CLARKS CREEK
1.3 MI W SR 512, Pierce, WA
Built 1970 Load: 22.0 t ADT: 6,433
MENZEL LAKE RD.
FairOver: PILCHUCK RIVER
6.0 SE JCT SR 92, Snohomish, WA
Built 1956 Load: 22.0 t ADT: 1,076
SR 96
FairOver: FARM STORAGE
4.0 E JCT SR 527, Snohomish, WA
Built 1970 Load: 22.0 t ADT: 3,024
Buffalo-Willson Rd
FairOver: LITTLE PEND OREILLE RIVE
1.23 SE KITT-NARCISSE RD., Stevens, WA
Built 1975 Load: 22.0 t ADT: 21
HUSSEY ST
FairOver: MILL CREEK
00.87N WHITMAN ST, Walla Walla, WA
Built 1976 Load: 22.0 t ADT: 530
NORTH PASS RD
FairOver: SUMAS RIVER
00.3 N MINAKER RD, Whatcom, WA
Built 1949 Load: 22.0 t ADT: 260
MOSQUITO LK RD
FairOver: PORTER CREEK
10.3 E VALLEY HWY., Whatcom, WA
Built 1936 Load: 22.0 t ADT: 162
DRAYTON HARBOR RD
FairOver: CALIFORNIA CR
00.1 W. BLAINE RD., Whatcom, WA
Built 1933 Load: 22.0 t ADT: 5,920
CHESTNUT ST-BAY ST
FairOver: BURLINGTON NORTHERN
AT JCT W CHESTNUT/BAY ST, Whatcom, WA
Built 1930 Load: 22.0 t ADT: 6,000
E. BAKERVIEW ROAD
FairOver: SQUALICUM CREEK
0.2 E JCT HANNEGAN RD, Whatcom, WA
Built 1935 Load: 22.0 t ADT: 3,500
COAL CREEK RD
FairOver: DEEP CR
05.85 S OF SR 542, Whatcom, WA
Built 2000 Load: 22.0 t ADT: 15
ERIKSEN/4490
FairOver: COTTONWOOD CREEK
0.07 MI S SR 23, Whitman, WA
Built 1981 Load: 22.0 t ADT: 40
SR 261
FairOver: DRY RUN
1.7 N JCT SR 26, Adams, WA
Built 1947 Load: 22.4 t ADT: 460
OLD MONITOR ROAD
FairOver: WENATCHEE RIVER
00.07W SR 97, Chelan, WA
Built 1930 Load: 22.4 t ADT: 1,857
ROCK CRK RD
FairOver: ROCK CREEK
0.1 E JCT SR 503, Clark, WA
Built 1949 Load: 22.4 t ADT: 2,014
SILVER CK RD 00670
FairOver: SAN POIL RIVER
00.03 E SR 21, Ferry, WA
Built 1961 Load: 22.4 t ADT: 325
SR 202
FairOver: PATTERSON CREEK
11.5 E JCT SR 520, King, WA
Built 1930 Load: 22.4 t ADT: 7,012
NE OLD CASCADE HWY
FairOver: S FORK SKYKOMISH RIVER
0.1 MI S OF SR-2, King, WA
Built 1957 Load: 22.4 t ADT: 343
PRIVATE ROAD
FairOver: GRANITE CREEK
5.1 MI N OF I-90, King, WA
Built 1967 Load: 22.4 t ADT: 25
SE MIDDLE FORK RD
FairOver: MIDDLE FORK SNOQUALMIE R
5.1 MI N OF I-90, King, WA
Built 1963 Load: 22.4 t ADT: 125
I-90
FairOver: S CLE ELUM RD & BNSF RR
28.8 E JCT SR 906, Kittitas, WA
Built 1966 Load: 22.4 t ADT: 13,987
LAMBERT ROAD
FairOver: TEANAWAY RIVER
00.75 E US 970, Kittitas, WA
Built 1971 Load: 22.4 t ADT: 272
HORSESHOE BEND RD.
FairOver: KLICKITAT RIVER
00.03 S JCT SR 142, Klickitat, WA
Built 1965 Load: 22.4 t ADT: 15
US 101
FairOver: LILLIWAUP R
12.6 S JEFFERSON CO, Mason, WA
Built 1925 Load: 22.4 t ADT: 3,048
SR 99
FairOver: HYLEBOS CREEK
1.1 N JCT I-5, Pierce, WA
Built 1927 Load: 22.4 t ADT: 23,347
BRIDGEPORT WY SW
FairOver: CLOVER CREEK
.2 S JCT SR 5, Pierce, WA
Built 1937 Load: 22.4 t ADT: 17,440
SR 11
FairOver: HALF BR
12.8 N JCT I-5, Skagit, WA
Built 1950 Load: 22.4 t ADT: 2,412
BROOKS ROAD
FairOver: COULEE CREEK
0.4 S COULEE-HITE, Spokane, WA
Built 1981 Load: 22.4 t ADT: 147
ARDEN HILL ROAD
FairOver: COLVILLE RIVER
00.28 W JCT SR 395, Stevens, WA
Built 1966 Load: 22.4 t ADT: 500
ROEDER AVE
FairOver: BNSF RR
.25 W FED BLDG, Whatcom, WA
Built 1988 Load: 22.4 t ADT: 7,500
HATLEY/9550
FairOver: UNION FLAT CREEK
0.05 MI E WAWAWAI-PULLMAN, Whitman, WA
Built 1963 Load: 22.4 t ADT: 10
BIG ALKALI/7005
FairOver: ALKALI FLAT CREEK
1.36 MI E LITTLE GOOSE DM, Whitman, WA
Built 1981 Load: 22.4 t ADT: 136
FOLEY RD
FairOver: LATERAL EL68 328+26.61
0.5 MI W OF SR 17, Adams, WA
Built 1988 Load: 22.7 t ADT: 216
Showing 2,401-2,450 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 |