Lewis County, WA

422 public highway bridges

Lewis County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Lewis County, Washington contains 422 public highway bridges. Roughly 37.4% are rated “Good,” 54.5% “Fair,” and 3.3% “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.

422
Total Bridges
37.4%
Good
54.5%
Fair
3.3%
Poor Condition

Condition Distribution

Good
37.4% (158)
Fair
54.5% (230)
Poor
3.3% (14)

All Bridges (422)

US 12

Fair

Over: LAKE CREEK

10.0 E JCT SR 122, Lewis, WA

Built 1966 Load: 29.2 t ADT: 4,729

SR 508

Fair

Over: KEARNEY CREEK

16.0 E JCT I-5, Lewis, WA

Built 1937 Load: 29.9 t ADT: 1,672

SR 508

Fair

Over: ALDER CREEK

22.7 E JCT I-5, Lewis, WA

Built 1937 Load: 29.9 t ADT: 1,171

SR 7

Fair

Over: NISQUALLY RIVER

16.3 N JCT SR 508, Lewis, WA

Built 1953 Load: 29.9 t ADT: 2,818

MINERAL CREEK ROAD

Fair

Over: ROUNDTOP CREEK

0.5 E MINERAL, Lewis, WA

Built 1967 Load: 29.9 t ADT: 364

LECH ROAD

Fair

Over: JONES CREEK

1.0 NE PE ELL, Lewis, WA

Built 1953 Load: 29.9 t ADT: 14

BIG HANAFORD RD.

Fair

Over: SOUTH HANAFORD CR.

5. E CENTRALIA, Lewis, WA

Built 1974 Load: 29.9 t ADT: 561

INGALLS RD.

Fair

Over: LINCOLN CR.

2.10 N JCT 24034, Lewis, WA

Built 1953 Load: 30.1 t ADT: 248

US 12

Fair

Over: COWLITZ R

0.8 E JCT SR 122, Lewis, WA

Built 1968 Load: 30.8 t ADT: 4,729

SHOREY RD

Fair

Over: RAIL ROAD DITCH

0.11 S RD 40073, Lewis, WA

Built 1955 Load: 30.8 t ADT: 2,814

STEARNS HILL ROAD

Fair

Over: BUNKER CREEK

6.0 NW ADNA, Lewis, WA

Built 1984 Load: 30.8 t ADT: 9

NORTH FORK RD

Fair

Over: N. FK NEWAUKUM RIVER

6.5 NE FOREST, Lewis, WA

Built 1963 Load: 30.8 t ADT: 212

BIG HANAFORD RD.

Fair

Over: HANAFORD CK.

3.0 E CENTRALIA, Lewis, WA

Built 1974 Load: 30.8 t ADT: 798

BEAVER CREEK RD

Fair

Over: SOUTH FORK CHEHALIS RIVE

1.2 SW CURTIS, Lewis, WA

Built 1982 Load: 30.8 t ADT: 109

NO DATA ENTERED

Fair

Over: NORTH FORK TILTON RIVER

2 MILES NW OF JUNCTION WI, Lewis, WA

Built 1973 Load: 30.9 t ADT: 128

WILDWOOD ROAD

Fair

Over: S.FORK CHEHALIS RIVER

11.5 S CURTIS, Lewis, WA

Built 1970 Load: 31.7 t ADT: 174

NO DATA ENTERED

Fair

Over: LITTLE NISQUALLY RIVER

12.3 MILES WEST OF HWY 7, Lewis, WA

Built 1971 Load: 31.8 t ADT: 30

NO DATA ENTERED

Fair

Over: GREENHORN CREEK

10.6 MILES SOUTHEAST OF H, Lewis, WA

Built 1954 Load: 32.4 t ADT: 98

SR 507 & PEARL ST

Fair

Over: CHINA CRK

0.7 S JCT SR 507, Lewis, WA

Built 1918 Load: 32.7 t ADT: 5,686

SR 508

Fair

Over: CREEK

24.1 E JCT I-5, Lewis, WA

Built 1937 Load: 32.7 t ADT: 1,171

US 12

Fair

Over: RAINEY CREEK OVERFLOW

10.4 E JCT SR 7, Lewis, WA

Built 1964 Load: 32.7 t ADT: 4,752

I-5

Fair

Over: SKOOKUMCHUCK RIVER

0.7 N JCT SR 507, Lewis, WA

Built 1951 Load: 32.7 t ADT: 24,794

I-5

Fair

Over: SKOOKUMCHUCK RIVER

0.7 N JCT SR 507, Lewis, WA

Built 1951 Load: 32.7 t ADT: 24,794

US 12

Fair

Over: CORTRIGHT CREEK

1.7 E JCT SR 123, Lewis, WA

Built 1983 Load: 32.7 t ADT: 1,590

STOWELL ROAD

Fair

Over: MILL CREEK

1.5 N SALKUM, Lewis, WA

Built 1960 Load: 32.7 t ADT: 332

ROCK CREEK RD

Fair

Over: ROCK CR.

2.5 SW PE ELL, Lewis, WA

Built 1985 Load: 32.7 t ADT: 17

PIGEON SPRINGS RD

Fair

Over: BERNIER CREEK

6.0 NE ONALASKA, Lewis, WA

Built 1954 Load: 32.7 t ADT: 35

PE ELL MCDONALD RD

Fair

Over: HALFWAY CREEK

7.33 E PE ELL, Lewis, WA

Built 1956 Load: 32.7 t ADT: 280

CURTIS HILL RD.

Fair

Over: LAKE CR.

3. SW ADNA, Lewis, WA

Built 1960 Load: 32.7 t ADT: 642

KING ROAD

Fair

Over: LAKE CREEK

0.62 E JCT 92006, Lewis, WA

Built 1960 Load: 32.7 t ADT: 148

OSBORN ROAD

Fair

Over: BIG CREEK

11.0 E ELBE, Lewis, WA

Built 1968 Load: 32.7 t ADT: 301

HWY 603

Fair

Over: CHEHALIS RIVER

0.15 S.E. SR 6, Lewis, WA

Built 1991 Load: 32.7 t ADT: 1,697

BERRY ROAD

Fair

Over: STEARNS CREEK

4.0 W NAPAVINE, Lewis, WA

Built 1994 Load: 32.7 t ADT: 20

GUERRIER ROAD

Fair

Over: S FK NEWAUKUM RIVER

2.0 SE FOREST, Lewis, WA

Built 1996 Load: 32.7 t ADT: 261

FALLS ROAD

Fair

Over: LAMBERT CREEK

8.19 SW RANDLE, Lewis, WA

Built 2004 Load: 32.7 t ADT: 99

NO DATA ENTERED

Fair

Over: WALUPT CREEK

16.5 MILES SE OF HWY 12 (, Lewis, WA

Built 1965 Load: 33.6 t ADT: 69

ELK CREEK RD.

Fair

Over: DEER CREEK

0.6 W DOTY, Lewis, WA

Built 1952 Load: 33.6 t ADT: 202

PE ELL MCDONALD RD

Fair

Over: HALFWAY CREEK

6.4 E PE ELL, Lewis, WA

Built 1958 Load: 33.6 t ADT: 229

CENTRALIA ALPHA RD

Fair

Over: SALZER CR.

1. SE.CENTRALIA, Lewis, WA

Built 1983 Load: 33.6 t ADT: 1,732

NICHOLSON ROAD

Fair

Over: LACAMAS CREEK

0.45 N JCT. 56000, Lewis, WA

Built 1972 Load: 33.6 t ADT: 98

BEAM RD.

Fair

Over: JONES CR.

0.41 E JCT SR.6, Lewis, WA

Built 1972 Load: 33.6 t ADT: 23

TOOLEY ROAD

Fair

Over: SALMON CREEK

2.0 SE TOLEDO, Lewis, WA

Built 1977 Load: 33.6 t ADT: 103

PEAR ST

Fair

Over: CHINA CREEK

.3 N JCT. SR 507, Lewis, WA

Built 1942 Load: 33.6 t ADT: 1,270

TAYLOR ROAD

Fair

Over: BRANCH NEWAUKUM RIVER

2.5 NE NAPAVINE, Lewis, WA

Built 1954 Load: 34.5 t ADT: 80

BUNKER ROAD

Fair

Over: BUNKER CREEK

9.0 NW ADNA, Lewis, WA

Built 1955 Load: 34.5 t ADT: 25

TOLEDO SALMON CRK

Fair

Over: SALMON CREEK

1.39 SE JCT 50850, Lewis, WA

Built 1977 Load: 34.5 t ADT: 31

BIG HANAFORD RD.

Fair

Over: HANAFORD CR.

7. NE CENTRALIA, Lewis, WA

Built 1955 Load: 34.5 t ADT: 189

NO DATA ENTERED

Fair

Over: WINSTON CREEK

ABOUT 16 MILES SOUTHWEST, Lewis, WA

Built 1992 Load: 34.7 t ADT: 18

CISPUS RD.

Fair

Over: SILER CR.

0.03 NW RD 70301, Lewis, WA

Built 1952 Load: 35.3 t ADT: 254

NO DATA ENTERED

Fair

Over: PINTO CREEK

ABOUT 10 MILES SOUTH OF H, Lewis, WA

Built 1954 Load: 35.4 t ADT: 59
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.