Total Bridges
8,808
Public highway bridges in Washington
State profile · Below national median SD
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Washington — drawn straight from the FHWA National Bridge Inventory.
Total Bridges
8,808
Public highway bridges in Washington
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%
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
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
05
53
18
20
Six lowest-condition bridges in Washington, ranked by composite NBI rating. Each is inspected at least every 24 months.
Over: NINE MILE CREEK
19.05 E SR 21, Ferry, WA
Over: MILL CREEK
4TH AND MILL CR, Walla Walla, WA
Over: WEST BRANCH LECLERC CREE
NO DATA ENTERED, Pend Oreille, WA
Over: DRAIN
00.26 NO CHAMBERS, Yakima, WA
Over: JORDAN CREEK
1.44 E JCT HILAND ORCH RD, Douglas, WA
Over: ROZA ID WASTEWAY NO 3
NR PARKER HEIGHTS, WA, Yakima, WA
Over: REBEL FLAT CREEK
0.11 MI W ENDICOTT, Whitman, WA
Over: S FORK PALOUSE RIVER
0.2MI W 270&STADWAY, Whitman, WA
Over: WAPATOX CANAL
00.02 NW CLEMAN DR, Yakima, WA
Over: QUARRY RD
3.5 E JCT I-205, Clark, WA
Over: SALMON CREEK
JCT NW36 AVE&SEWARD, Clark, WA
Over: KELLOG HOLLOW
7.2 S JCT SR 261, Columbia, WA
Over: TOUTLE RIVER
2.1 N JCT SR 504, Cowlitz, WA
Over: TOUTLE RIVER
2.1 N JCT SR 504, Cowlitz, WA
Over: CRAB CREEK
20 NE 0.1 East of E NE, Grant, WA
Over: WEDEKIND CREEK
4.1 N JCT SR 12, Grays Harbor, WA
Over: DUVALL SLOUGH
0.4 MI W OF SR-203, King, WA
Over: E MARGINAL WAY S
1200 SW Spokane St, King, WA
Over: SR 166
4.0 E JCT SR 16, Kitsap, WA
Over: WHITE SALMON RIVER
1.8 E JCT SR 141, Klickitat, WA
Over: CANNAWAI CREEK
00.89N JCT FAS947, Lincoln, WA
Over: CRAB CREEK
3.21 S FAS H220, Lincoln, WA
Over: OHOP SLOUGH
3.5 N JCT SR 161, Pierce, WA
Over: WISEMAN CREEK
0.5 W JCT SR 20, Skagit, WA
Over: ABANDONED RAILROAD GRADE
39 ST @ SMITH, Snohomish, WA
Over: HANGMAN CREEK
0.4 E JCT US 195, Spokane, WA
Over: RAVINE SOUTH OF BOONE AV
01.70 N. I-90, Spokane, WA
Over: ALKALI CREEK
2.89 MI SW UNION FLAT CRK, Whitman, WA
Over: MOXEE DRAIN
00.25 S BEAUCHENE, Yakima, WA
Over: DRY WASH
01.00 MI E MOODY, Adams, WA
Over: PALOUSE RIVER
00.19 MI S SR26, Adams, WA
Over: BNRR
0.75 SW I-5 EXIT 42, Cowlitz, WA
Over: CASEY CREEK
SNAKE RIVER, Garfield, WA
Over: SLOUGH BR
2.5 N JCT I-90, Kittitas, WA
Over: HILINE CANAL
00.50 E PARKE CR RD, Kittitas, WA
Over: BURLINGTON NORTHERN RR
0.1 S. JCT SR 14, Klickitat, WA
Over: CRAB CREEK
2.10 N FAS B220, Lincoln, WA
Over: ELKHORN CR
5.7 N JCT SR 105, Pacific, WA
Over: COLVILLE RIVER
00.22 W JCT SR 231, Stevens, WA
Over: RAILROAD
11.4 E JCT SR 124, Walla Walla, WA
Over: BUG LAKE OVERFLOW
JCT BIRCHWOOD/SQUALICUM, Whatcom, WA
Over: DRY CREEK
0.36 MI SW GREEN HOLLOW, Whitman, WA
Over: DRY WASH
00.29 MI N SR395, Adams, WA
Over: PESHASTIN CREEK
NO DATA ENTERED, Chelan, WA
Over: GREEN CREEK
0.5 E JCT SR 113, Clallam, WA
Over: GREEN CREEK
22.5 E MAKAH RES, Clallam, WA
Over: HOKO RIVER
7.03 JCT SR112, Clallam, WA
Over: IRRIGATION LATERAL
N SW 0.3 S of 12 SW, Grant, WA
Over: IRRIGATION LATERAL
E SW 1.2 N of 11 SW, Grant, WA
Over: EAST LOW CANAL
11 SE 0.7 West of T SE, Grant, WA
Over: COOK CREEK
32.9 N JCT SR 109, Grays Harbor, WA
Over: JOHNS RIVER
7.0 N JCT SR 105 SP, Grays Harbor, WA
Over: SLOUGH
7.8 N JCT US 101, Grays Harbor, WA
Over: PIONEER CREEK
12.2 E JCT US 101, Grays Harbor, WA
Over: B N R R (NO TRACKS
0.3 SW JCT SR 109, Grays Harbor, WA
Over: WILDCAT CREEK
1.9 E JCT SR 8, Grays Harbor, WA
Showing 2,951-3,000 of 8,808 bridges
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 |