Grant County, WA

314 public highway bridges

Grant County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Grant County, Washington contains 314 public highway bridges. Roughly 60.5% are rated “Good,” 30.3% “Fair,” and 1.6% “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.

314
Total Bridges
60.5%
Good
30.3%
Fair
1.6%
Poor Condition

Condition Distribution

Good
60.5% (190)
Fair
30.3% (95)
Poor
1.6% (5)

All Bridges (314)

W RD SE

Fair

Over: EAST LOW CANAL

W SE 1.95 S of I-90, Grant, WA

Built 1951 Load: 28.1 t ADT: 30

ALDER STREET

Fair

Over: PARKER HORN

MOSES LAKE CITY, Grant, WA

Built 1958 Load: 28.5 t ADT: 29,630

2 RD NW

Fair

Over: IRRIGATION LATERAL

2 NW .2 W of P-NW, Grant, WA

Built 1952 Load: 29.0 t ADT: 346

S RD NW

Fair

Over: IRRIGATION LATERAL

S NW 0.01 S of 9, Grant, WA

Built 1953 Load: 29.0 t ADT: 663

I-90

Fair

Over: PELICAN HORN

0.9 E JCT SR 171, Grant, WA

Built 1957 Load: 29.8 t ADT: 10,515

I-90

Fair

Over: PELICAN HORN

0.9 E JCT SR 171, Grant, WA

Built 1958 Load: 29.8 t ADT: 10,515

9 ROAD NW

Fair

Over: IRRIGATION LATERAL

9 NW 0.2 East of E NW, Grant, WA

Built 1950 Load: 29.9 t ADT: 463

11.5 RD NW

Fair

Over: WASTEWAY

11.5 NW 0.1 W of H NW, Grant, WA

Built 1953 Load: 30.8 t ADT: 63

PINTO RIDGE ROAD

Fair

Over: MAIN CANAL

Pinto Ridge @ Main Canal, Grant, WA

Built 1977 Load: 32.1 t ADT: 493

SR 282

Fair

Over: GN RY

0.1 E JCT SR 28, Grant, WA

Built 1959 Load: 32.7 t ADT: 8,702

I-90

Fair

Over: WEBER COULEE

10.7 E JCT SR 17, Grant, WA

Built 1967 Load: 42.6 t ADT: 5,894

I-90

Fair

Over: WEBER COULEE

10.7 E JCT SR 17, Grant, WA

Built 1967 Load: 42.6 t ADT: 5,894

FIRST AVENUE NW

Fair

Over: DRY CREEK

0.4 W SR 28, Grant, WA

Built 1948 Load: 42.8 t ADT: 5,280

SR 262

Fair

Over: O'SULLIVAN DAM OUTLET

16.6 N JCT SR 26, Grant, WA

Built 1973 Load: 42.8 t ADT: 1,559

I-90

Fair

Over: WEBER COULEE

12.2 E JCT SR 17, Grant, WA

Built 1967 Load: 43.5 t ADT: 5,894

I-90

Fair

Over: WEBER COULEE

12.2 E JCT SR 17, Grant, WA

Built 1967 Load: 43.5 t ADT: 5,894

SR 28

Fair

Over: CRAB CREEK

13.2 E JCT SR 17, Grant, WA

Built 1969 Load: 44.4 t ADT: 580

WAHATIS PEAK ROAD

Fair

Over: WAHLUKE BRANCH CANAL

(White Bluffs Wasteway -, Grant, WA

Built 1967 Load: 48.3 t ADT: 1

SR 262

Fair

Over: GENERATOR BYPASS CHUTE

17.5 N JCT SR 26, Grant, WA

Built 1989 Load: 49.0 t ADT: 1,559

Martin Rd

Good

Over: Lateral Canal

Martin Rd @ H-NW, Grant, WA

Built 2015 Load: 7.8 t ADT: 443

Farm Access

Good

Over: West Canal W27 Lateral

West Canal W27 Lateral St, Grant, WA

Built 1998 Load: 9.3 t ADT: 5

SR 174

Good

Over: COLUMBIA BASIN CANAL

1.3 E DOUGLAS CO, Grant, WA

Built 1949 Load: 12.6 t ADT: 1,437

G RD NW

Good

Over: WEST CANAL

G NW 0.2 N of SR 28, Grant, WA

Built 1977 Load: 14.6 t ADT: 50

U ROAD SE

Good

Over: WEBER COULEE

U SE at 1 SE, Grant, WA

Built 1954 Load: 16.5 t ADT: 1,086

U ROAD SE

Good

Over: LIND COULEE

U SE .7 South of 4, Grant, WA

Built 1954 Load: 16.5 t ADT: 1,136

SR 283

Good

Over: WINCHESTER WASTEWAY

9.2 N JCT SR 281, Grant, WA

Built 1953 Load: 16.8 t ADT: 2,499

11 & V NE

Good

Over: FIELD RUNOFF

11 & V NE, Grant, WA

Built 1978 Load: 16.8 t ADT: 10

DODSON RD

Good

Over: LAT W20F BLK 89

Dodson 0.7 South of 7 NW, Grant, WA

Built 1993 Load: 17.5 t ADT: 1,489

O-SW

Good

Over: WEST LOW CANAL

O SW .06 N of Frenchmen, Grant, WA

Built 1997 Load: 17.8 t ADT: 155

E ROAD SW

Good

Over: Crab Creek

E SW at Crab Creek, Grant, WA

Built 1958 Load: 18.1 t ADT: 233

LOWER CRAB CR RD

Good

Over: LOWER CRAB CREEK

LWR Crab CR 5.2 E SR 243, Grant, WA

Built 1979 Load: 18.1 t ADT: 50

E RD SE

Good

Over: WEST CANAL

E SE .4 N of 12, Grant, WA

Built 1960 Load: 18.1 t ADT: 550

MAINTENANCE ROAD

Good

Over: WEST CANAL

WEST CANAL, Grant, WA

Built 1956 Load: 18.3 t ADT: 30

6 RD SE

Good

Over: LIND COULEE WASTEWAY

6 SE 1.8 East of U SE, Grant, WA

Built 1991 Load: 19.1 t ADT: 260

6 ROAD NE

Good

Over: EAST LOW CANAL BLK 41

6 NE 0.9 East of N NE, Grant, WA

Built 1989 Load: 19.1 t ADT: 215

7 ROAD NE

Good

Over: CRAB CREEK

7 NE .5 E of Stratford Rd, Grant, WA

Built 1952 Load: 19.1 t ADT: 2,068

K RD NW

Good

Over: LAT. BL 73

K NW 0.2 North of SR 28, Grant, WA

Built 1999 Load: 19.1 t ADT: 184

8 ROAD SE

Good

Over: LIND COULEE WASTEWAY

8 SE .2 East of W SE, Grant, WA

Built 1988 Load: 19.4 t ADT: 212

R RD NW

Good

Over: LAT. BLK 73

13 th Avenue N, Grant, WA

Built 1995 Load: 19.4 t ADT: 385

P NW

Good

Over: CANAL W26A BLK 73

P NW .4 N of 11 NW, Grant, WA

Built 1993 Load: 19.4 t ADT: 546

Road 14.3 NW

Good

Over: WEST CANAL

14.3 NW 0.1 W of SR 28, Grant, WA

Built 1999 Load: 19.4 t ADT: 65

WHITE TRAIL

Good

Over: LAT 39.9 BLK 75

5 NW @ R NW, Grant, WA

Built 1994 Load: 20.1 t ADT: 5,333

RIDGEVIEW RD

Good

Over: WASTEWAY

Ridgeview .02 W of L NE, Grant, WA

Built 1994 Load: 20.1 t ADT: 465

FARM ACCESS

Good

Over: WEST CANAL, LATERAL W26C

WEST CANAL LATERAL W26C,, Grant, WA

Built 2015 Load: 20.3 t ADT: 20

DODSON ROAD

Good

Over: WEST CANAL BLK 86

Dodson Rd .4 N of 11 SW, Grant, WA

Built 1993 Load: 20.4 t ADT: 2,266

SAND DUNE ROAD

Good

Over: MOSES LAKE SPILLWAY

MOSES LAKE SPILLWAY, Grant, WA

Built 1962 Load: 20.7 t ADT: 50

HILL TOP RD

Good

Over: FRENCHMAN SPRINGS

Vantage Rd 1.0 W Silica, Grant, WA

Built 1931 Load: 20.7 t ADT: 169

Farm Access

Good

Over: West Canal W26C Lateral

West Canal W26C Lateral,, Grant, WA

Built 2007 Load: 20.8 t ADT: 20

19 NW

Good

Over: WEST CANAL

19 NW .6 W of B, Grant, WA

Built 1994 Load: 21.4 t ADT: 240

BASELINE EAST

Good

Over: WASTEWAY

Baseline 0.2 W of SR 17, Grant, WA

Built 1996 Load: 21.4 t ADT: 1,296

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

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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.