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Every bridge in Grant County, Washington

Name: Every bridge in Grant County, Washington
Creator: Bridge Report Card
License: https://creativecommons.org/publicdomain/zero/1.0/

304 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Grant County, Washington, has 304 bridges in the 2025 National Bridge Inventory: 195 rated good, 100 fair, and 9 poor (as of August 20, 2026).
This index lists every one of them, busiest first; each links to its own condition record.

Bridge	Built	Vehicles/day	Condition
Alder Street over Parker Horn	1958	29,630	Fair
SR 17 over I-90 Ramp	1958	16,352	Fair
Stratford Rd over SR 17	1966	14,235	Fair
I-90 over Moses Lake	1958	13,711	Fair
I-90 over Moses Lake	1958	13,711	Fair
SR 17 over Parker Horn	1955	11,733	Good
SR 171 over I-90	2001	11,072	Good
SR 28 over Irrigation Canal	1952	10,968	Fair
I-90 over Pelican Horn	1957	10,080	Fair
I-90 over Pelican Horn	1958	10,080	Fair
SR 17 over Rocky Ford CR	1955	9,836	Fair
SR 282 over Gn Ry	1959	9,620	Fair
SR 17 over Lind Coulee	1954	9,298	Fair
SR 17 over Canal	1954	9,146	Good
I-90 over SR 26	1961	9,077	Fair
SR 28 over West Canal	1950	8,758	Good
SR 281 over West Canal	1950	8,745	Good
I-90 over Silica Rd	1981	8,141	Good
I-90 over Silica Rd	1982	8,141	Good
SR 243 over Lower Crab CR	1970	7,030	Good
I-90 over SR 281 Spur	1962	6,917	Fair
I-90 over SR 281 Spur	1962	6,917	Fair
SR 28 over Winchester Wasteway	1949	6,873	Good
I-90 over Rd N NE & RR	1959	6,497	Fair
I-90 over Rd N NE & RR	1959	6,497	Fair
I-90 over Road O NE	1965	6,317	Good
I-90 over Road O NE	1965	6,317	Good
SR 281 over I-90	1964	6,241	Fair
I-90 over Weber Coulee	1967	6,042	Fair
I-90 over Weber Coulee	1967	6,042	Fair
I-90 over Weber Coulee	1967	6,042	Fair
I-90 over Weber Coulee	1967	6,042	Fair
SR 281 over West Canal	1964	5,926	Fair
I-90 over West Canal	1964	5,896	Poor
I-90 over West Canal	1964	5,896	Poor
White Trail over Lat 39.9 Blk 75	1994	5,333	Good
First Avenue NW over Dry Creek	1948	5,280	Fair
Whitetrail Rd over West Canal Blk 75	1997	5,128	Good
Hansen Rd over I-90	1958	4,835	Poor
Potato Hill Rd over I-90	2006	4,037	Good
SR 170 over East Low Canal	1980	2,878	Good
SR 283 over Winchester Wasteway	1953	2,764	Fair
Dodson Road over West Canal Blk 86	1993	2,266	Good
M Road SE over EL 29 Waste Way	1980	2,094	Poor
7 Road NE over Crab Creek	1952	2,068	Good
24 Road SW over Lat. WB46 Blk 251	1969	1,976	Good
US 2 over Dry Falls Dam	1984	1,910	Good
US 2 over South Coulee Dam	1984	1,910	Good
SR 262 over Generator Bypass Chute	1989	1,601	Fair
SR 262 over Osullivan Dam Outlet	1973	1,601	Fair
SR 262 over Potholes Canal	1949	1,601	Good
Dodson Road over Canal Lateral	1981	1,567	Good
SR 174 over Columbia Basin Canal	1949	1,493	Good
Dodson Rd over Lat W20F Blk 89	1993	1,489	Good
Adams Rd over I-90	1958	1,465	Poor
Stratford Road over Crab Creek	1952	1,464	Fair
Beverly Burke Rd over West Canal Blk 77	1987	1,452	Good
Crescent Bar Road over Trinidad Springs	1962	1,422	Fair
L Road SW over Lat. W61C Blk 81	1964	1,412	Good
Dodson Road over I-90	1993	1,401	Fair
U Road SE over East Low Canal Blk 44	1985	1,394	Fair
U Road SE over S. Warden Coulee	1960	1,373	Good
K NE over Rocky Coulee Ww	1984	1,320	Good
Baseline East over Wasteway	1996	1,296	Good
L Road NE over Rocky Coulee Ww Blk 41	1983	1,271	Good
Adams Road over West Canal Blk 78	1994	1,237	Good
J NE/Stratford Rd over East Low Canal	1990	1,201	Fair
M Road SE over Ww Rcd Blk 42	1996	1,184	Good
Cresent Bar Rd over Wanapum Lake	2008	1,147	Good
U Road SE over Lind Coulee	1954	1,136	Good
M Road SE over Lind Coulee Wasteway	1953	1,125	Fair
SR 155 over Northrup CR	1949	1,122	Good
M Road SE over Ww Rcd Blk 42	1996	1,109	Good
Wheeler Rd over East Low Canal	2010	1,109	Good
U Road SE over Weber Coulee	1954	1,086	Good
L Road SW over Lat. RB4 Blk 82	1990	1,034	Good
SR 155 over Devils Creek	1949	942	Fair
SR 155 over Lower Lewis CR	1949	942	Good
SR 155 over Upper Lewis CR	1949	942	Good
Warden Rd/road U over I-90	1966	913	Good
N Road NE over Lat. Blk 41	1960	910	Good
Q SW over West Canal Blk 78	1993	877	Good
L Road SW over Lat. RB5 Blk 82	1990	875	Good
George South Road over West Canal Blk 78	1993	831	Good
12 Rd NW over West Canal	1994	825	Good
S Rd NW over Irrigation Lateral	1952	786	Fair
L Rd SW over Saddle Mountain Wasteway	1969	783	Good
Stratford Rd over Crab Creek	2017	778	Good
G Rd SW over Wahluke Branch Canal	1969	772	Good
SR 262 over Lat. WG1J Blk 80	1990	765	Good
H Road SE over West Canal Blk 80	1953	748	Fair
Sagebrush Flats Rd over Dry Wash	1993	734	Good
8 Road SE over East Low Canal Blk 44	1985	719	Good
B Road NW over West Canal Blk 701	1975	714	Fair
So. Frontage Rd. over West Canal	1950	687	Poor
7 NW over West Canal	2004	680	Good
Sagebrush Flats Rd over Dry Wash	1993	670	Good
S NW over Irrigation Canal	2004	663	Good
S Rd NW over Irrigation Lateral	1953	663	Fair
Q Rd over I-90	1965	651	Good
Baseline West over Lat. Blk 73	1987	650	Good
SR 28 over Crab Creek	1939	622	Fair
SR 28 over Crab Creek	1969	622	Fair
SR 28 over Crab Creek	1988	622	Good
9 NW over Winchester Ww	1953	617	Fair
11 Road SW over Royal Branch Canal BLK82	1987	600	Good
O Rd NE over Lateral W 1150	1987	593	Good
Adams Rd over Lateral block 73	2017	589	Good
11 Road NW over Lat. Blk 73	1952	580	Fair
Beverly Burke Rd over I-90	1964	574	Poor
Hiawatha Rd NE over I-90	1958	566	Fair
M NW over West Canal	2004	560	Good
White Trail Rd over Winchester Ww	1953	558	Good
Frenchman Hills Rd over West Canal	1987	557	Good
E Rd SE over West Canal	1960	550	Good
P NW over Canal W26A Blk 73	1993	546	Good
Pinto Ridge Road over Main Canal	1992	530	Good
G Rd SW over West Canal	2006	511	Good
Pinto Ridge Road over Main Canal	1977	493	Fair
23 Road NE over Crab Creek	1990	467	Good
A-nw over W 22 Canal	2003	467	Good
Ridgeview Rd over Wasteway	1994	465	Good
Ruff-marlin Road over Rocky Coulee	1974	464	Fair
20 Road NW over West Canal Blk 701	1987	444	Good
M NE over East Low Canal Blk 40	1996	443	Good
Martin Rd over Lateral Canal	2015	443	Good
P NW over Lat. Blk 73	1996	440	Good
Q Rd NE over East Low Canal	1992	439	Good
R Rd SE over Lind Coulee	1966	436	Good
E Rd SW over Irrigation Lateral	1953	414	Fair
Sand Dunes Rd over Moses Lake	2015	412	Good
Martin Road over Wasteway	1952	392	Fair
Q - NW over Irrigation Canal	2003	392	Good
D Road SE over Irrigation Canal	2009	391	Good
20 Road NE over Crab Creek	1988	390	Fair
R Rd NW over Lat. Blk 73	1995	385	Good
Frenchman Hills Rd over West Canal Tunnel Ww	1962	368	Good
2 Rd NW over Irrigation Lateral	1952	346	Fair
B Rd SE over Irrigation Canal	1953	325	Fair
20 Road NE over East Low Canal	1947	317	Fair
Q Rd NW over Irrigation Lateral	1952	315	Fair
O Rd NW over West Canal	1949	313	Fair
9 Rd NW over Irrigation Lateral	1953	309	Fair
F Rd SE over Irrigation Lateral	1954	307	Fair
E Rd SW over Wahluke Branch Canal	1969	303	Good
Monument Hill Road over Irrigation Canal	1996	298	Good
1 SE Rd over Rocky Coulee Drain	2000	292	Good
U.7 over USBR Lateral	1954	278	Good
P Road NW over Lat W39.9e2 Blk 75	1952	274	Fair
H Road NW over West Canal	1949	271	Fair
"R" Road NE over Field Runoff	2012	265	Good
9 Rd NW over Irrigation Lateral	1952	265	Good
A Rd SW over Irrigation Lateral	1954	264	Good
R NE over Dry Wash	2013	262	Good
6 Rd SE over Lind Coulee Wasteway	1991	260	Good
O Rd SW over West Canal	1958	257	Fair
8 Rd NW over West Canal	1953	253	Fair
R NE over Dry Creek	1994	250	Good
R Rd NW over Irrigation Lat.	1952	250	Fair
Adams road over Lateral. Block 73	2017	247	Good
M Rd NW over Irrigation Lateral	1952	247	Fair
R SW over Waluke Branch Canal	1983	247	Good
19 NW over West Canal	1994	240	Good
M Rd SW over Irrigation Lateral	1958	239	Fair
M Rd SW over West Canal	1958	239	Fair
W-ne over Blackrock Coulee	2003	235	Good
E Road SW over Crab Creek	1958	233	Good
11 N.W. over Wasteway	2017	232	Good
1 Rd NW over Irrigation Lateral	1956	231	Fair
Peninsula Drive over I-90	2001	231	Good
K Rd SW over Wahluke Branch Canal	1969	229	Good
A NE over West Canal Blk 70	1988	226	Good
6 Road NE over East Low Canal Blk 41	1989	215	Good
D Rd SW over Irrigation Lateral	1959	214	Good
8 Road SE over Lind Coulee Wasteway	1988	212	Good
0 SW over Waluke Branch Canal	1983	210	Good
5 Rd SE over Irrigation Wasteway	1987	203	Good
9 NW over Irrigation Lateral	2024	200	Good
T Rd NW over Irrigation Lateral	1952	197	Good
S Rd SE over Irrigation Lateral	1952	196	Good
7 Rd NW over Irr. Canal	2001	193	Good
Martin Road over Wasteway	2017	188	Good
K Rd NW over Lat. Bl 73	1999	184	Good
3 SE over Lind Coulee	1966	179	Good
J Rd NE over Main Canal	1992	175	Good
Urquhart Ave(x NE) over Crab Creek	1972	170	Fair
Hill Top Rd over Frenchman Springs	1931	169	Good
Vantage Rd over Frenchman Springs	1931	169	Good
Vantage Rd over Frenchman Springs	1931	169	Good
P Rd NE over Rocky Coulee	1974	160	Good
N Rd NW over Irrigation Lateral	1952	158	Fair
R Rd NW over Irrigation Lateral	1951	158	Good
16 NE over Crab Creek	2010	157	Good
M Rd SW over Wahluke Branch Canal	1969	157	Good
"R" Road NE over Field Runoff	2010	156	Good
1 Rd SE over Weber Wasteway	1950	156	Good
J Rd NW over West Canal	1949	155	Fair
O-sw over West Low Canal	1997	155	Good
K Road NW over Lat. Blk 73	1952	153	Fair
Morgan Lake Road over Potholes Canal	2002	150	Good
C Rd SE over West Canal	1964	139	Good
4 Rd SE over Wasteway	1987	138	Good
S Rd NE over East Low Canal	1995	133	Good
3 Rd NW over Irrigation Lateral	1952	121	Fair
I Rd SW over Saddle Mountain Wasteway	1969	115	Good
E Rd SE over Irrigation Lateral	1954	113	Fair
3 Rd NW over Irrigation Lateral	1952	110	Good
36 Road NE over Dry Creek	1972	108	Fair
4 SE over Irrigation Drainage	2008	106	Good
I Rd SW over Wahluke Branch Canal	1969	106	Good
18 NE over East Low Canal	1998	103	Good
12 Rd NE over East Low Canal	2002	97	Good
3 Rd NW over West Canal	2002	96	Good
So. Frontage Rd over Weber Coulee	1938	94	Good
8 Road NE over East Low Canal Blk 40	1989	92	Good
S NE over Dry Coulee	2005	91	Good
K Rd SW over Irrigation Lateral	1958	85	Fair
E Rd SE over Irrigation Lateral	1959	80	Good
3 Rd SE over Wasteway	1987	78	Good
9-nw over W 22 Canal	2003	75	Good
N Rd SW over Irrigation Lateral	1958	74	Good
N Rd SW over Irrigation Lateral	1958	74	Fair
12 Road SW over Royal Branch Canal Blk 8	1956	72	Fair
6 Rd NE over Rocky Coulee	1914	71	Fair
I Rd SW over West Canal	1956	71	Fair
40 Rd NE over Dry Creek	1981	67	Good
So. Frontage Rd over Weber Coulee	1938	66	Good
31 NE over Arbuckle Draw	1994	65	Good
J Rd SW over Irrigation Lateral	1964	65	Good
Road 14.3 NW over West Canal	1999	65	Good
V Rd SW over Irrigation Lateral	1956	64	Fair
11.5 Rd NW over Wasteway	1953	63	Fair
E.2 Rd SW over West Canal	1959	59	Fair
F Rd NW over West Canal	1953	59	Good
I SW over West Canal	1951	59	Fair
Feiss Rd over Con Na Wai Creek	2000	56	Good
W-ne over Northup Creek	1985	56	Good
Farm Access over West Canal W26C lateral	2000	50	Good
G Rd NW over West Canal	1977	50	Good
Lower Crab CR Rd over Lower Crab Creek	1979	50	Good
M.5 Rd SW over Saddle Mountain Ww	1974	50	Good
Sand Dune Road over Moses Lake Spillway	1962	50	Good
"39" Road NE over Field Runoff	2010	49	Good
2 Rd SE over Irrigation Wasteway	1995	49	Good
K SW S of 7 SW over West Canal	1951	49	Fair
T Rd SE over East Low Canal	1984	49	Good
W NW over BNSF Railroad	2016	49	Good
W Rd SE over East Low Canal	2005	39	Good
B SE over Crab Creek	1950	36	Fair
B SE over Irrigation canal	1950	36	Fair
Q Rd NE over Dry Creek	1914	35	Fair
Farm Access over West Canal Lateral W26C	2016	30	Good
Maintenance Road over West Canal	1956	30	Good
Maintenance Road over West Canal	1968	30	Fair
Maple Street over Wilson Creek	1979	30	Good
X Rd NE over Con-na-wai Creek	1927	30	Fair
42 Rd NE over Dry Creek	1914	29	Fair
Martin Rd over Wasteway	1952	29	Fair
Baird Springs Rd over Trinidad Creek	2005	26	Good
29 NE over Wilson Creek	1998	24	Good
Marlin North Road over Con-na-wai Creek	1916	23	Fair
0.5 SW Road over Priest Rapids Lateral	1983	20	Good
11 Rd SE over East Low Canal	1952	20	Fair
Farm Access over West Canal	2004	20	Fair
Farm Access over West Canal Lateral W26C	2015	20	Good
Farm Access over West Canal Lateral W26C	1994	20	Fair
Farm Access over West Canal Lateral W26C	1994	20	Poor
Farm Access over West Canal W26C Lateral	2007	20	Good
Maintenance Road over West Canal W39.9	1950	20	Fair
F Road NE over Main Canal	2008	18	Good
Cannawai Valley Rd over Cannawai Creek	2007	15	Good
Maintenance Road over Potholes Canal	1950	15	Fair
Maintenance Road over Rocky Coulee Wasteway	1949	15	Good
Road C SE over Frenchman Hills Wasteway	2008	15	Good
11 & V NE over Field Runoff	1978	10	Good
Farm Access over West Canal W26C Lateral	1987	10	Fair
Farm Access/Maint. over West Canal DW229 Waste	2010	10	Good
Headworks Maintena over Crab Creek Siphon No. 1	1947	10	Good
Maintenance Road over DW231 Wasteway	2015	10	Good
Maintenance Road over Main Canal	1977	10	Good
Maintenance Road over Main Canal	1977	10	Good
Maintenance Road over West Canal W39.9	2016	10	Fair
Mi 2.8 Thompson over Rocky Coulee Wasteway	1950	10	Poor
Canal Maintenance over East Low Canal - Crab Ck	1947	5	Good
Canal Maintenance over East Low Canal - Crab Ck	1947	5	Good
Canal Maintenance over East Low Canal - Crab Ck	1947	5	Good
Farm Access over West Canal W27 Lateral	1998	5	Good
Farm Field Access over Rocky Coulee Drain Waste	1948	5	Fair
Maintenance Road over West Canal	1951	5	Good
Maintenance Road over West Canal	1946	5	Good
Maintenance Road over West Canal	1946	5	Good
Maintenance Road over West Canal	1946	5	Good
Nuss Farm Road over East Low Canal El 20 Lat	1957	5	Fair
Spillway Access over Winchester Wasteway	1948	5	Good
Wahatis Peak Road over Wahluke Branch Canal	1967	3	Good
Canal Maintenance over East Low Canal - Brkn Rk	1947	2	Good
Canal Maintenance over East Low Canal - Brkn Rk	1947	1	Good
East Low Canal over East Low Canal	1950	1	Good
East Low Canal over East Low Canal	1950	1	Good
East Low Canal over East Low Canal	1950	1	Good
Maintenance Road over East Low Canal	1950	1	Good
Osborne Farm Road over East Low Canal	1950	1	Fair
Sta 19+00 Access over Rocky Coulee Diversion	1948	1	Fair
Wahatis Peak Road over Wahluke Branch Canal	1967	1	Fair

Source: FHWA National Bridge Inventory, 2025.

Grant County bridge conditions · Washington bridges by county.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.