State profile · Below median Poor share

Washington bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Washington, based on the FHWA National Bridge Inventory.

8,808
Public bridges
42.4%
Good condition
4.8%
Poor condition

Data updated May 2026

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 whose lowest applicable component is rated 0-4

-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 - Poor-condition share 16.0%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

Washington49.9%44.4%GoodFairPoor
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 by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Washington on the same metric.

CA

California

4.60% top marginal rate
Structure
Progressive
Burden @ $100K
$27,040

AR

Arkansas

4.71% top marginal rate
Structure
Progressive
Burden @ $100K
$5,544
Selected

WA

Washington

4.81% top marginal rate
Structure
Progressive
Burden @ $100K
$8,808

IN

Indiana

4.94% top marginal rate
Structure
Progressive
Burden @ $100K
$18,630

KS

Kansas

5.25% top marginal rate
Structure
Progressive
Burden @ $100K
$23,867

Bridges Needing Most Attention in Washington

Six lowest-condition bridges in Washington, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

SILVER CK RD 00670

Poor

Over: NINE MILE CREEK

19.05 E SR 21, Ferry, WA

Built 1958 Load: 2.7 t ADT: 47

4TH ST

Poor

Over: MILL CREEK

4TH AND MILL CR, Walla Walla, WA

Built 1908 Load: 2.7 t ADT: 2,624

NO DATA ENTERED

Poor

Over: WEST BRANCH LECLERC CREE

NO DATA ENTERED, Pend Oreille, WA

Built 1954 Load: 3.5 t ADT: 5

STEVENS RD. -IRRIG

Poor

Over: DRAIN

00.26 NO CHAMBERS, Yakima, WA

Built 1965 Load: 3.6 t ADT: 68

PEARL HILL RD

Poor

Over: JORDAN CREEK

1.44 E JCT HILAND ORCH RD, Douglas, WA

Built 1953 Load: 4.2 t ADT: 72

FARM ACCESS

Poor

Over: ROZA ID WASTEWAY NO 3

NR PARKER HEIGHTS, WA, Yakima, WA

Built 1955 Load: 4.4 t ADT: 10

All Bridges in Washington

164TH ST SW

Unknown

Over: I-5

1.3 N JCT I-405, Snohomish, WA

Built 1963 ADT: 154,119

I-405

Unknown

Over: SR 524 (FILBERT RD)

1.5 E JCT I-5, Snohomish, WA

Built 1968 ADT: 21,475

I-405

Unknown

Over: SR 524 (FILBERT RD)

1.5 E JCT I-5, Snohomish, WA

Built 1968 ADT: 21,475

I-5

Unknown

Over: S 405 & N 525 RAMPS

1.4 N JCT SR 524, Snohomish, WA

Built 1980 ADT: 25,480

MAPLE ROAD

Unknown

Over: I-5

0.3 N JCT I-405, Snohomish, WA

Built 1962 ADT: 134,243

164TH ST SW

Unknown

Over: SR 525

1.4 N JCT I-5, Snohomish, WA

Built 1980 ADT: 56,760

148TH ST SW

Unknown

Over: SR 525

2.4 N JCT I-5, Snohomish, WA

Built 1980 ADT: 56,760

I-405

Unknown

Over: I-5

1.4 N JCT SR 524, Snohomish, WA

Built 1981 ADT: 134,243

I-405 NB TO I-5 SB

Unknown

Over: RAMPS AND SWAMP CREEK

1.4 N JCT SR 524, Snohomish, WA

Built 1981 ADT: 15,523

I-405

Unknown

Over: I-5

1.4 N JCT SR 524, Snohomish, WA

Built 1982 ADT: 134,243

THREE LAKES RD

Unknown

Over: US 2

2.1 E JCT SR 9, Snohomish, WA

Built 1983 ADT: 22,670

88TH ST SE

Unknown

Over: US 2

3.3 E JCT SR 9, Snohomish, WA

Built 1983 ADT: 19,400

220TH ST SW

Unknown

Over: I-5

1.5 N JCT SR 104, Snohomish, WA

Built 1963 ADT: 159,714

SR 527

Unknown

Over: I-5

2.8 N JCT SR 96, Snohomish, WA

Built 1987 ADT: 122,990

SR 96(128TH ST SW)

Unknown

Over: I-5

3.8 N JCT I-405, Snohomish, WA

Built 1987 ADT: 144,746

US 2 RAMP

Unknown

Over: US 2 WB, SR 204, RAMPS

JCT US 2, Snohomish, WA

Built 1993 ADT: 7,066

US 2 RAMP

Unknown

Over: US 2 WB, SR 204

JCT US 2, Snohomish, WA

Built 1993 ADT: 7,066

I-5 RAMP

Unknown

Over: NBCD

3.0 N JCT SR 523, Snohomish, WA

Built 1995 ADT: 12,344

S-S RAMP

Unknown

Over: S-E RAMP

3.2 N JCT SR 523, Snohomish, WA

Built 1995 ADT: 11,927

SR 526 E-N RAMP

Unknown

Over: I-5 BROADWAY AVE

JCT I-5 & SR 527, Snohomish, WA

Built 1995 ADT: 34,151

88TH ST NE

Unknown

Over: I-5

1.6 N JCT SR 528, Snohomish, WA

Built 1996 ADT: 110,463

SR 9

Unknown

Over: SR 522

0.6 E KING CO, Snohomish, WA

Built 1997 ADT: 29,880

SR 525

Unknown

Over: SR 99

3.8 N JCT SR 524, Snohomish, WA

Built 2001 ADT: 37,579

RAMP

Unknown

Over: SB I-5

2.9 N JCT SR 104, Snohomish, WA

Built 2004 ADT: 81,547

I-5 HOV LANES

Unknown

Over: SR 524 SPUR/44TH AVE W

0.5 E JCT SR 524, Snohomish, WA

Built 2004 ADT: 26,181

SR 531

Unknown

Over: I-5

7.0 N JCT SR 528, Snohomish, WA

Built 2005 ADT: 74,462

ASH WAY ACCESS

Unknown

Over: I-5 SB

1.5 N JCT I-405, Snohomish, WA

Built 2005 ADT: 77,060

N-N RAMP

Unknown

Over: I-5

3.1 N JCT SR 527, Snohomish, WA

Built 2006 ADT: 186,520

I-5 SB

Unknown

Over: NB & SB HOV RAMPS

3.8 N JCT SR 527, Snohomish, WA

Built 2007 ADT: 2,017

41ST ST NE

Unknown

Over: I-5

4.1 N JCT SR 527, Snohomish, WA

Built 2006 ADT: 153,336

PEDESTRIAN

Unknown

Over: I-5

0.3 N JCT SR 96, Snohomish, WA

Built 2006 ADT: 144,746

CANYON PARK PED

Unknown

Over: I-405

1.6 N KING CO, Snohomish, WA

Built 2007 ADT: 91,468

112TH ST SE

Unknown

Over: I-5 SB

1.3 N JCT SR 96, Snohomish, WA

Built 2007 ADT: 82,582

112TH ST SE

Unknown

Over: I-5 NB

1.3 N JCT SR 96, Snohomish, WA

Built 2007 ADT: 82,582

SOUND TRANSIT PED

Unknown

Over: I-5 NB

0.6 N JCT SR 104, Snohomish, WA

Built 2010 ADT: 77,874

N-W RAMP(BICKFORD)

Unknown

Over: US 2

1.3 N JCT SR 204, Snohomish, WA

Built 2013 ADT: 37,043

ALDERWOOD M BLVD

Unknown

Over: SR 524 E-S, I-5 S-E

JCT SR 524, Snohomish, WA

Built 1999 ADT: 6,637

ALDERWOOD MALL BLV

Unknown

Over: SR 524/196TH ST SW

1.6 E JCT SR 99, Snohomish, WA

Built 1999 ADT: 39,428

PEDESTRIAN

Unknown

Over: I-5 S-W RAMP

JCT SR 524, Snohomish, WA

Built 2010 ADT: 14,897

116TH ST NE

Unknown

Over: I-5

3.3 N JCT SR 528, Snohomish, WA

Built 2016 ADT: 98,781

BNSF RR

Unknown

Over: LINCOLN AVE.

0.6 S JCT SR 2, Snohomish, WA

Built 1910 ADT: 4,539

BNSF RR

Unknown

Over: INDEX-GALENA RD.

0.9 E JCT SR 2, Snohomish, WA

Built 1961 ADT: 718

PEDESTRIAN

Unknown

Over: SR 529/W MARINE VIEW DR

1.2 N JCT SR 529 SPUR, Snohomish, WA

Built 1991 ADT: 13,663

FED.AV.PED.TRAFFIC

Unknown

Over: E MUKILTEO BOULEVARD

0.9 MI W OF JCT I5, Snohomish, WA

Built 1993 ADT: 14,100

TULALIP PED BRIDGE

Unknown

Over: MARINE DR

6.1 NE JCT I5, Snohomish, WA

Built 1997 ADT: 8,565

156TH ST NE

Unknown

Over: INTERSTATE 5

8.9 N JCT SR 528, Snohomish, WA

Built 2012 ADT: 109,515

BNSF RAILROAD

Unknown

Over: NORMAN ROAD

1.2 W JCT PIONEER HWY, Snohomish, WA

Built 2013 ADT: 609

UP RR

Unknown

Over: STATE ROUTE 290

1.4 E JCT I-90, Spokane, WA

Built 1900 ADT: 8,316

FISH LAKE TRAIL

Unknown

Over: I-90 RAMP

1.6 E JCT US 2, Spokane, WA

Built 1900 ADT: 2,496

RR

Unknown

Over: US 2 / DIVISION ST

0.2 E JCT I-90, Spokane, WA

Built 1915 ADT: 27,424

Showing 1,001-1,050 of 8,808 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.

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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

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.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.