Whatcom County, WA

358 public highway bridges

Whatcom County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Whatcom County, Washington contains 358 public highway bridges. Roughly 38.3% are rated “Good,” 46.6% “Fair,” and 5.3% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

358
Total Bridges
38.3%
Good
46.6%
Fair
5.3%
Poor Condition

Condition Distribution

Good
38.3% (137)
Fair
46.6% (167)
Poor
5.3% (19)

All Bridges (358)

VALLEY VIEW RD

Fair

Over: HAYNIE CR

00.1 S MCGEE RD., Whatcom, WA

Built 1956 Load: 15.9 t ADT: 820

STEIN RD

Fair

Over: DAKOTA CR TRIB

00.7 S. HAYNIE RD., Whatcom, WA

Built 1906 Load: 15.9 t ADT: 323

ASSINK RD

Fair

Over: FISHTRAP CR

00.1 MI N PANGBORN, Whatcom, WA

Built 1949 Load: 16.3 t ADT: 195

LOOMIS TRAIL RD

Fair

Over: BERTRAND CR

00.6 W BERTHUSEN RD, Whatcom, WA

Built 1938 Load: 16.3 t ADT: 1,839

GARRISON RD

Fair

Over: SUMAS RIVER

00.2 N LINDSAY RD., Whatcom, WA

Built 1935 Load: 16.3 t ADT: 252

VAN BUREN RD

Fair

Over: JOHNSON CR

0.6 mi. N LINDSAY RD, Whatcom, WA

Built 1950 Load: 16.3 t ADT: 1,031

BARRETT RD

Fair

Over: BARRETT CREEK

0.4 N W AXTON RD, Whatcom, WA

Built 1969 Load: 16.5 t ADT: 1,316

JONES RD

Fair

Over: SUMAS RIVER

00.1 W CONCHMAN RD., Whatcom, WA

Built 1917 Load: 16.5 t ADT: 220

CUSTER SCHOOL RD

Fair

Over: DAKOTA CR TRIB

00.5 S BEHME RD, Whatcom, WA

Built 1954 Load: 16.8 t ADT: 843

CUSTER SCHOOL RD

Fair

Over: DAKOTA CR

00.6 S BEHME RD, Whatcom, WA

Built 1950 Load: 16.8 t ADT: 844

LINDSAY RD

Fair

Over: SUMAS RIVER

01.0 W GARRISON RD., Whatcom, WA

Built 1956 Load: 16.8 t ADT: 267

NORTHWEST DR

Fair

Over: TEN MILE CR

0.1 S OF LAUREL RD, Whatcom, WA

Built 1935 Load: 16.8 t ADT: 4,900

BEHME RD

Fair

Over: DAKOTA CR

00.01 E VALLEY VIEW, Whatcom, WA

Built 1930 Load: 17.2 t ADT: 189

POTTER RD

Fair

Over: SLOUGH

00.4 W VALLEY HWY, Whatcom, WA

Built 1934 Load: 17.2 t ADT: 575

GILLIES RD

Fair

Over: SUMAS RIVER

00.2 N OF ALM RD., Whatcom, WA

Built 1932 Load: 17.2 t ADT: 280

LIND RD

Fair

Over: SMITH CR

00.1 S LAWRENCE RD., Whatcom, WA

Built 1955 Load: 17.2 t ADT: 50

FLANNEGAN RD

Fair

Over: JOHNSON CR

00.2 N W GARRISON, Whatcom, WA

Built 1955 Load: 18.1 t ADT: 40

ROCK RD

Fair

Over: SAAR CR

.18 W OF LENHART RD, Whatcom, WA

Built 1966 Load: 18.1 t ADT: 524

SLATER RD

Fair

Over: RED RIVER

03.90 W OF NW DR, Whatcom, WA

Built 1900 Load: 18.1 t ADT: 11,365

BRIDGE WY

Fair

Over: CALIFORNIA CR

0.02 SW LOOMIS TR, Whatcom, WA

Built 1922 Load: 18.1 t ADT: 12

PARK ENTRANCE ROAD

Fair

Over: TERRELL CREEK

BIRCH BAY STATE PARK, Whatcom, WA

Built 1963 Load: 18.1 t ADT: 135

MOSQUITO LK RD

Fair

Over: MIDDLE FORK

05.2 SE MT.BAKER HY, Whatcom, WA

Built 1915 Load: 18.5 t ADT: 117

TEN MILE RD

Fair

Over: TEN MILE CR

00.3 E HANNEGAN RD., Whatcom, WA

Built 1934 Load: 18.8 t ADT: 372

VALLEY VIEW RD

Fair

Over: CALIFORNIA CR

00.1 N. ARNIE RD., Whatcom, WA

Built 1949 Load: 19.0 t ADT: 365

LENHART RD

Fair

Over: SAAR CREEK

00.2 N OF ROCK RD, Whatcom, WA

Built 1953 Load: 19.0 t ADT: 8

BYLSMA RD

Fair

Over: DRAINAGE DITCH

00.7 N E. WISER LK., Whatcom, WA

Built 1951 Load: 19.0 t ADT: 72

SAXON RD

Fair

Over: SOUTH FORK NOOKSACK

2.0 E SR 9, Whatcom, WA

Built 1998 Load: 19.1 t ADT: 256

SHADY LN

Fair

Over: SILVER CREEK

00.14 N RURAL AVE, Whatcom, WA

Built 1953 Load: 19.4 t ADT: 70

PANGBORN RD

Fair

Over: FISH TRAP CR

0.1 W ASSINK RD., Whatcom, WA

Built 1954 Load: 19.4 t ADT: 700

DELTA LINE RD

Fair

Over: DAKOTA CR

00.2 S HAYNIE RD., Whatcom, WA

Built 1965 Load: 19.4 t ADT: 1,500

SR 542

Fair

Over: GALENA CREEK

30.8 E JCT SR 547, Whatcom, WA

Built 1946 Load: 19.8 t ADT: 608

I-5

Fair

Over: PORTAL WAY

7.3 N JCT SR 539, Whatcom, WA

Built 1963 Load: 19.8 t ADT: 17,069

TELEGRAPH RD N

Fair

Over: SUMAS RIVER

00.5 N.E.MORGAN RD., Whatcom, WA

Built 1943 Load: 20.0 t ADT: 1,272

I-5

Fair

Over: PORTAL WAY

7.3 N JCT SR 539, Whatcom, WA

Built 1963 Load: 20.1 t ADT: 17,069

I-5

Fair

Over: NULLE RD

0.2 N SKAGIT CO, Whatcom, WA

Built 1963 Load: 20.4 t ADT: 22,967

BRECKINRIDGE RD

Fair

Over: SUMAS RIVER

00.4 E NOOKSACK RD., Whatcom, WA

Built 1954 Load: 20.4 t ADT: 1,274

MAIN STREET

Fair

Over: NOOKSACK RIVER

AT FRONT ST, Whatcom, WA

Built 1950 Load: 20.7 t ADT: 21,350

ROAD

Fair

Over: PARK CREEK

NO DATA ENTERED, Whatcom, WA

Built 1955 Load: 20.9 t ADT: 35

GOOSEBERRY SPUR

Fair

Over: HALE PASSAGE

2. SW OF CAGEY RD., Whatcom, WA

Built 1950 Load: 20.9 t ADT: 1,300

TEN MILE RD

Fair

Over: TEN MILE CR TRIB

00.2 E GUIDE MERIDI, Whatcom, WA

Built 1900 Load: 20.9 t ADT: 841

GOOSEBERRY SPUR

Fair

Over: HALE PASSAGE

2.03 SE PT MIGLEY, Whatcom, WA

Built 1978 Load: 21.1 t ADT: 1,300

GOOSEBERRY SPUR

Fair

Over: HALE PASSAGE

2.03 SE PT MIGLEY, Whatcom, WA

Built 1978 Load: 21.1 t ADT: 1,300

MOSQUITO LK RD

Fair

Over: NORTH FORK

00.2 W N. FORK RD., Whatcom, WA

Built 1930 Load: 21.1 t ADT: 800

SR 542

Fair

Over: COAL CREEK

6.1 E JCT SR 9, Whatcom, WA

Built 1946 Load: 21.4 t ADT: 5,182

HILLSIDE RD

Fair

Over: FALLS CREEK

01.9 W VALLEY HWY, Whatcom, WA

Built 1969 Load: 21.4 t ADT: 194

ALDERSON RD

Fair

Over: TERRELL CREEK

0.01 W BIRCHBAY DR, Whatcom, WA

Built 1987 Load: 21.4 t ADT: 2,184

SR 542

Fair

Over: FOSSIL CREEK

15.8 E JCT SR 547, Whatcom, WA

Built 1934 Load: 21.8 t ADT: 1,251

SR 542

Fair

Over: KENDALL CREEK

7.4 E JCT SR 9, Whatcom, WA

Built 1964 Load: 21.8 t ADT: 5,182

ROAD

Fair

Over: BAR CREEK

NO DATA ENTERED, Whatcom, WA

Built 1960 Load: 21.8 t ADT: 42

RD. 31. MP 7.1

Fair

Over: KIDNEY CREEK

7.1 MILES FROM SH 542, Whatcom, WA

Built 1953 Load: 21.8 t ADT: 73

Read our methodology - how this data is sourced, computed, and verified.

Related

Browse all → | Rankings →
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

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.