Columbia County, OR

126 public highway bridges

Columbia County Bridge Snapshot

Columbia County, Oregon contains 126 public highway bridges in the FHWA National Bridge Inventory. Roughly 31.7% are rated “Good,” 57.1% “Fair,” 7.9% “Poor,” and 7.9% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in OR are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

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

126

Total Bridges

31.7%

Good

7.9%

Poor

7.9%

Structurally Deficient

Condition Distribution

Good

31.7% (40)

Fair

57.1% (72)

Poor

7.9% (10)

SD

7.9% (10)

All Bridges (126)

Sort:

HWY 2W CONN

Over: COLUMBIA R (LONGVIEW BR)

WASH. STATE LINE, Columbia, OR

Built 1929 ADT: 2,171

OR 30 Hwy 92

Over: Swedetown Cnty Rd.

1.0 MI E CLATSKANIE, Columbia, OR

Built 1954 ADT: 9,100

Longview Brdg Conn

Over: OR 30 Hwy 92

2.7 MI W RAINIER, Columbia, OR

Built 1969 ADT: 13,192

SCAPPOOSE-VERNONIA

Over: CROWN Z ROAD

047 M W SPITZENBURG, Columbia, OR

Built 1963 ADT: 10

OLD HWY 30

Over: BEAVER CREEK

006 MI W HWY 30 JCT, Columbia, OR

Built 1918 Load: 8.4 t ADT: 759

WEST LANE ROAD

Over: SCAPPOOSE CREEK

005 MI NW SCAPPOOSE AIRPT, Columbia, OR

Built 1982 Load: 9.4 t ADT: 1,043

KEASEY ROAD

Over: ROCK CREEK

030 MI SE KEASEY, Columbia, OR

Built 1980 Load: 10.4 t ADT: 328

OLD HWY 30

Over: BEAVER CREEK

00 4 MI W HWY 30 JCT, Columbia, OR

Built 1918 Load: 11.3 t ADT: 759

North Railroad Ave

Over: Milton Creek

Port of St. Helens, Columbia, OR

Built 1999 Load: 11.3 t ADT: 63

US 30 (HWY 92)

Over: HONEYMAN CREEK

2.0 MI N SCAPPOOSE, Columbia, OR

Built 1919 Load: 12.3 t ADT: 26,123

SCAPPOOSE-VERNONIA

Over: NO FK SCAPPOOSE CR

024 MI NW JCT FAP1, Columbia, OR

Built 1954 Load: 12.6 t ADT: 2,250

Hwy 92 Frtg. Rd.

Over: Tide Creek Frtg. Rd.

10.0 MI SE RAINIER, Columbia, OR

Built 1920 Load: 13.0 t ADT: 8,075

US 26 (HWY 047)

Over: North Fork Wolf Creek

18.5 MI W HWY 37 JCT, Columbia, OR

Built 1938 Load: 13.0 t ADT: 8,197

FREEMAN ROAD

Over: DEEP CREEK

009 MI W CO LINE- HWY 202, Columbia, OR

Built 1977 Load: 13.6 t ADT: 28

OR 47 (HWY 102)

Over: Nehalem River

VERNONIA CITY LIMITS, Columbia, OR

Built 1938 Load: 14.9 t ADT: 3,491

Hwy 2W Hwy 92

Over: Beaver Creek

7.0 MI W RAINIER, Columbia, OR

Built 1968 Load: 15.6 t ADT: 10,052

Hwy 2W Hwy 92

Over: Tide Creek

10.0 MI NW ST HELENS, Columbia, OR

Built 1958 Load: 15.6 t ADT: 8,075

NEHALEM STREET

Over: CLATSKANIE RIVER

CLATSKANIE N CITY LIMITS, Columbia, OR

Built 1934 Load: 15.6 t ADT: 6,189

OR 47 (Hwy 102)

Over: East Fork Nehalem River

11.0 MI S HWY 110 JCT, Columbia, OR

Built 1929 Load: 17.2 t ADT: 1,476

OLD PORTLAND ROAD

Over: MILTON CREEK

004 MI N FAU 6220, Columbia, OR

Built 1930 Load: 18.5 t ADT: 2,596

OLD HWY 30

Over: BEAVER CREEK

006 MIW JCT HWY30/LARSONR, Columbia, OR

Built 1918 Load: 18.8 t ADT: 1,350

SCAPPOOSE-VERNONIA

Over: N FK SCAPPOOSE CREEK

014 MI S JCT FASA745-A744, Columbia, OR

Built 1959 Load: 19.4 t ADT: 2,124

OR 47 (Hwy 102)

Over: Beaver Creek

1.5 MI S VERNONIA, Columbia, OR

Built 1936 Load: 20.7 t ADT: 3,354

PITTSBURG ROAD

Over: MILTON CREEK

025 MI NW OF YANKTON, Columbia, OR

Built 1976 Load: 20.7 t ADT: 1,058

OR 47 (Hwy 102)

Over: Nehalem River

1.0 MI S VERNONIA, Columbia, OR

Built 1959 Load: 21.1 t ADT: 3,848

OR 202 (Hwy 102)

Over: Nehalem River

0.5 MI W BIRKENFELD, Columbia, OR

Built 1956 Load: 21.4 t ADT: 444

OR 47 (Hwy 102)

Over: Beaver Creek

6.0 MI S VERNONIA, Columbia, OR

Built 1966 Load: 21.4 t ADT: 3,222

OR 47 (Hwy 102)

Over: Nehalem River

3.0 MI N VERNONIA, Columbia, OR

Built 1958 Load: 22.0 t ADT: 1,827

COLUMBIA BLVD

Over: MILTON CREEK

002 MI W JCT C1111/HWY30, Columbia, OR

Built 1958 Load: 23.0 t ADT: 6,466

TIMBER ROAD

Over: E FK NEHALEM RIVER

026 MI SW HWY 47 JCT, Columbia, OR

Built 1966 Load: 24.0 t ADT: 338

Hwy 92

Over: Goble Creek

5.0 MI E RANIER, Columbia, OR

Built 1960 Load: 24.3 t ADT: 7,907

OR 47 (Hwy 102)

Over: Rock Creek

IN VERNONIA, Columbia, OR

Built 1930 Load: 24.3 t ADT: 5,974

US 30 (Hwy 92)

Over: Lost Creek

7.0 MI E CLATSKANIE, Columbia, OR

Built 1953 Load: 24.3 t ADT: 8,638

SCAPPOOSE-VERNONIA

Over: N FK SCAPPOOSE CREEK

032 MI NW JCT FAP1-FAS, Columbia, OR

Built 1956 Load: 25.3 t ADT: 2,014

SCAPPOOSE-VERNONIA

Over: N FK SCAPPOOSE CREEK

012 MI NW JCT FAP1, Columbia, OR

Built 1957 Load: 25.9 t ADT: 2,700

Clatskanie Heights

Over: CONYERS CREEK

020 M S CITY OF CLATSKANI, Columbia, OR

Built 1978 Load: 25.9 t ADT: 458

US 30 (Hwy 92)

Over: S Fork Scappoose River

0.1 MI N SCAPPOOSE, Columbia, OR

Built 1980 Load: 26.2 t ADT: 21,963

PITTSBURG ROAD

Over: MILTON CREEK

007 MI W HWY30 ON PITTSBG, Columbia, OR

Built 1965 Load: 26.3 t ADT: 2,590

SCAPPOOSE-VERNONIA

Over: N FK SCAPPOOSE CREEK

004 MI S JCT FASA745-A744, Columbia, OR

Built 1959 Load: 27.5 t ADT: 1,652

WOODSON ROAD

Over: WESTPORT SLOUGH

001 N OF WOODSON, Columbia, OR

Built 1982 Load: 27.9 t ADT: 330

MCNULTY WAY

Over: MCNULTY CREEK

IN ST. HELENS, Columbia, OR

Built 1984 Load: 27.9 t ADT: 67

OR 47 (Hwy 102)

Over: Beaver Creek

2.0 MI S VERNONIA, Columbia, OR

Built 1964 Load: 29.2 t ADT: 3,354

US 30 (HWY 92)

Over: N Fork Scappoose River

0.5 MI N SCAPPOOSE, Columbia, OR

Built 1980 Load: 29.8 t ADT: 21,963

TIMBER ROAD

Over: NEHALEM RIVER

053MISW HWY 47 JCT, Columbia, OR

Built 1973 Load: 30.5 t ADT: 338

KEASEY ROAD

Over: ROCK CREEK

00 8 MI EAST KEASEY, Columbia, OR

Built 1980 Load: 30.8 t ADT: 120

SWEDETOWN ROAD

Over: CLATSKANIE RIVER

060 M SW CITY OF CLATSKAN, Columbia, OR

Built 1999 Load: 31.8 t ADT: 540

CHAPMAN ROAD

Over: N FK SCAPPOOSE CREEK

090 MI SW ST HELENS, Columbia, OR

Built 1978 Load: 32.1 t ADT: 302

SCAPPOOSE-VERNONIA

Over: Elk Creek

3.09SCAPPOOSE-VERNONIA, Columbia, OR

Built 2010 Load: 32.7 t ADT: 991

OR 47 (Hwy 102)

Over: Beaver Creek

1.0 MI S VERNONIA, Columbia, OR

Built 1968 Load: 33.7 t ADT: 3,354

PRICE ROAD

Over: BEAVER CREEK

002 MI S OF ALSTON, Columbia, OR

Built 1978 Load: 35.0 t ADT: 1,073

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

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Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial

Reviewed byPlainbridges Editorial, Plain Bridges Editorial Team · June 6, 2026