Oldest Bridges in Washington

The oldest bridge in Washington dates to 1900. The table below shows the state's most historic bridges, ranked by year built. Many of these structures have survived well beyond their original design life — click any bridge to see its current condition and inspection history.

How this ranking works

This state list uses the NBI year-built field and links each bridge to its current inspection record. Treat age as a history signal, not a condition score.

Bridge	County	Year Built	Condition	Daily Traffic
Providence RD over Dry Relief	Adams	1900	Fair	10
Arlt RD over Intermittent Stream	Adams	1900	Fair	17
Calloway RD over Dry Wash	Adams	1900	Fair	26
Schoessler RD over Dry Wash	Adams	1900	Fair	8
Bauman Rd. over Intermittent Stream	Adams	1900	Fair	80
Hampton RD over Dry Relief	Adams	1900	Fair	1
Ralston-benge RD over Dry Wash	Adams	1900	Fair	62
Heinemann RD over Farrier Coulee	Adams	1900	Good	25
Klein RD over Dry Wash	Adams	1900	Fair	9
US 395 over East Deer CR	Ferry	1900	Fair	645
US 395 over Little Boulder CR	Ferry	1900	Fair	358
Wishkah Road over Monarch (wyman) Creek	Grays Harbor	1900	Good	1,498
Phinney AVE over N 57th ST	King	1900	Fair	12,400
Powerline RD over Olson Creek	King	1900	Fair	25
US 97 over Cascade Canal	Kittitas	1900	Good	2,702
Old Streyfeller RD over Duck Creek	Lincoln	1900	Good	10
Mann Road over Creek	Lincoln	1900	Good	39
Thorpe Road over Crab Creek	Lincoln	1900	Good	11
Wheatdale Road over Drainage	Lincoln	1900	Good	15
Union Valley Road over Wilson Creek	Lincoln	1900	Fair	14
Redwine Canyon RD over Welch Creek	Lincoln	1900	Good	379
Crick Road 19010 over Wilson Creek	Lincoln	1900	Fair	17
Detour Road over Crab Creek	Lincoln	1900	Good	135
Schirr Road over No Name Creek	Lincoln	1900	Fair	65
US 97 over Dan Creek	Okanogan	1900	Good	3,479
SR 161 over Ohop Creek	Pierce	1900	Fair	7,615
SR 161 over Tanwax CR	Pierce	1900	Good	7,089
SR 9 over Thunder Creek	Skagit	1900	Fair	3,684
Aladdin Road over Deep Creek	Stevens	1900	Fair	209
SR 542 over Maple Creek	Whatcom	1900	Fair	1,985
SR 9 over Black Slough	Whatcom	1900	Good	3,517
SR 20 over Half Br Sta 155	Whatcom	1900	Fair	1,696
Slater RD over Red River	Whatcom	1900	Fair	11,365
Ten Mile RD over Ten Mile CR Trib	Whatcom	1900	Fair	841
Wagner/4110 over Imbler Creek	Whitman	1900	Fair	13
Old Barn Rd/5230 over Four Mile Creek	Whitman	1900	Fair	6
Clark/5670 over Four Mile Creek	Whitman	1900	Fair	30
Pitts Cemetry/5690 over Four Mile Creek	Whitman	1900	Fair	10
Bartlett Street over Mccoy Creek	Whitman	1900	Fair	35
I-82 over Wide Hollow Creek	Yakima	1900	Good	14,180
Hawk RD over Creek	Yakima	1900	Good	500
Main ST over Mill Creek	Walla Walla	1902	Fair	4,412
Stein RD over Dakota CR Trib	Whatcom	1906	Fair	323
Old Monitor Road over Wenatchee River	Chelan	1907	Fair	363
Ferry Street over Kettle River	Ferry	1908	Fair	360
4th ST over Mill Creek	Walla Walla	1908	Poor	2,624
Yesler Way over 4th AVE S	King	1909	Good	8,000
Mission Avenue over Spokane River	Spokane	1909	Fair	19,319
Summit Blvd. over Ravine South Of Boone Av	Spokane	1909	Fair	159
Booth Ave. over Sand Ditch	Adams	1910	Fair	355
Co RD 06470 over Kettle River	Ferry	1910	Fair	30
Seattle BLVD over Sound Transit Tunnel	King	1910	Fair	22,000
S Jackson ST over Parking Garage	King	1910	Fair	15,000
4th AVE S over Railroad Station	King	1910	Fair	13,500
5th AVE S over ST Tunnel	King	1910	Fair	8,000
4th AVE S over Parking Garage	King	1910	Poor	27,000
Puyallup AVE over E 24th&b St& Abandoned R	Pierce	1910	Good	13,000
North 21st Street over Buckley Gulch	Pierce	1910	Good	15,000
Roosevelt ST over Mill Creek	Walla Walla	1910	Fair	6,123
Steptoe Street over Union Flat Creek	Whitman	1910	Fair	200
Fas 1027 over China Creek	Lewis	1911	Fair	8,788
E 11th ST over City Waterway Cs2749	Pierce	1911	Fair	3,100
State Route 509 over Puyallup Waterway Rr	Pierce	1911	Poor	2,400
Monroe Street over Spokane River	Spokane	1911	Fair	18,453
Chestnut Street over Latah Creek	Spokane	1911	Good	182
Yesler Way over 5th AVE S	King	1912	Fair	7,215
E Interlaken BLVD over 26th AVE E	King	1912	Fair	200
Lewis Bridge Road over Wilson Creek	Lincoln	1912	Fair	26
Mitchum Road over Coal Creek	Lincoln	1912	Fair	10
Seltice/1260 over Willow Creek	Whitman	1912	Fair	70
Lone Pine/0200 over Unnamed Drainage	Whitman	1912	Fair	51
196th AVE NE over Evans Creek	King	1913	Fair	397
196th AVE NE over Evans Creek	King	1913	Fair	500
Canby Bridge 37430 over Crab Creek	Lincoln	1913	Good	11
Sunset Boulevard over Latah Creek	Spokane	1913	Poor	14,995
Miller Hm Plc/3920 over Negro Creek	Whitman	1913	Fair	5
Cunningham RD over Dry Wash	Adams	1914	Fair	46
Batum RD over Rocky Coulee	Adams	1914	Fair	50
Benge-washtucna RD over Cow Creek	Adams	1914	Fair	50
Benge-washtucna RD over Dry Relief	Adams	1914	Fair	50
Lauer RD over Rocky Coulee	Adams	1914	Fair	14
Paxton Trail over Rock Creek	Adams	1914	Fair	0
6 RD NE over Rocky Coulee	Grant	1914	Fair	71
Q RD NE over Dry Creek	Grant	1914	Fair	35
42 RD NE over Dry Creek	Grant	1914	Fair	29
Franklin Road over Green River	King	1914	Fair	350
Pettyjohn RD over Touchet River	Walla Walla	1914	Poor	100
Jennings/9100 over South Fork Palouse River	Whitman	1914	Fair	3
Paha-packard Rd. over Dry Wash	Adams	1915	Fair	112
Paha-packard RD over Dry Wash	Adams	1915	Fair	52
Hatton RD over Dry Relief	Adams	1915	Fair	25
Hatton RD over Hatton Coulee	Adams	1915	Fair	3
Anderson RD over Dry Wash	Adams	1915	Fair	1
SR 500 over Hjf Canal	Clark	1915	Poor	7,516
Third Street over Patit Creek	Columbia	1915	Fair	100
Front Street over Patit Creek	Columbia	1915	Fair	225
Cloquallum Road over Cloquallum Creek	Grays Harbor	1915	Fair	1,380
W Valley HWY over Mill CR	King	1915	Fair	24,100
SE 68th ST over Raging River	King	1915	Fair	15
Eastlake AVE NE over Portage Bay	King	1915	Poor	35,000
Laney Road over Crab Creek	Lincoln	1915	Fair	33
Doerschlag Road over No Name Creek	Lincoln	1915	Good	153
West Branch Road over WB Little Spokane River	Spokane	1915	Fair	98
Jackson Road over Rattlers Run Creek	Spokane	1915	Good	85
Boston Street over Deschutes River	Thurston	1915	Fair	7,400
2nd AVE over Mill Creek	Walla Walla	1915	Fair	10,563
Mosquito Lk RD over Middle Fork	Whatcom	1915	Fair	117
Farmington/1000 over Pine Creek	Whitman	1915	Fair	364
L West/5210 over Branch Four Mile Creek	Whitman	1915	Fair	10
Spring ST over S Fork Palouse River	Whitman	1915	Fair	2,034
Lind-ralston RD over Intermittent Stream	Adams	1916	Fair	55
Thiel RD over Dry Wash	Adams	1916	Fair	26
I-5 over Columbia River	Clark	1916	Fair	65,013
Marlin North Road over Con-na-wai Creek	Grant	1916	Fair	23
SR 19 over Chimacum Creek	Jefferson	1916	Fair	8,718
Denny Station Road over Crab Creek	Lincoln	1916	Good	30
Spinning Road over Crab Creek	Lincoln	1916	Fair	103
Elk Prairie Road over Fern Creek	Pacific	1916	Fair	85
Heckard Road over Slough	Pacific	1916	Fair	226
SR 165 over Wilkeson Creek	Pierce	1916	Fair	3,288
North Dillard AVE over Baker River	Skagit	1916	Fair	150
Old Sr9 over Pilchuck CR	Snohomish	1916	Fair	63
SR 125 over Touchet River	Walla Walla	1916	Poor	416
Lower Hogeye RD over Whiskey Creek	Walla Walla	1916	Fair	170
Byrnes RD over Nine Mile Canyon	Walla Walla	1916	Fair	30
5th ST over Mill Creek	Walla Walla	1916	Poor	1,970
Farmington/1000 over Hangman Creek	Whitman	1916	Fair	406
Kenova/3310 over Pine Creek	Whitman	1916	Fair	25
Urquhart RD over Weber Coulee	Adams	1917	Fair	57
Ralston-benge RD over Cow Creek	Adams	1917	Fair	62
Elma Gate Road E over Harris Creek	Grays Harbor	1917	Fair	347
12 AVE S over Dearborn ST	King	1917	Fair	22,000
15th AVE W over Ship Canal	King	1917	Fair	60,000
Fremont AVE N over Ship Canal	King	1917	Fair	29,300
I-90 over Yakima River	Kittitas	1917	Fair	17,681
Coal Coulee Road over Coal Creek	Lincoln	1917	Fair	35
Lowe Road over Coal Creek	Lincoln	1917	Fair	50
Lowe Road over Coal Creek	Lincoln	1917	Fair	87
Old Olympic Highwa over Kennedy Creek	Mason	1917	Fair	72
SR 6 over Half Moon Creek	Pacific	1917	Fair	1,600
Stauffer Road over Green Creek	Pacific	1917	Fair	178
Lebam Road over Willapa River	Pacific	1917	Fair	72
Post Street over Spokane River	Spokane	1917	Good	2,423
US 12 over Walla Walla R	Walla Walla	1917	Fair	8,169
Old HWY 12 over Woodward Canyon	Walla Walla	1917	Fair	8,012
Jones RD over Sumas River	Whatcom	1917	Fair	220
Fairgrounds/6290 over Rebel Flat Creek	Whitman	1917	Fair	430
Cumberland-kanaske over Green River	King	1918	Fair	2,061
SR 507 & Pearl ST over China Crk	Lewis	1918	Fair	5,822
Zellmer Road over Crab Creek	Lincoln	1918	Poor	21
SR 6 over Trap Creek	Pacific	1918	Good	1,825
SR 6 over Fork Creek	Pacific	1918	Good	1,825
SR 165 over Wilkeson Creek	Pierce	1918	Fair	1,964
Smokey Point BLVD over South Slough	Snohomish	1918	Fair	5,889
First Street over South Fork Pine Creek	Whitman	1918	Fair	20
Old Naches Road over Wapatox Canal	Yakima	1918	Good	318
Old Naches over Wapatox Canal	Yakima	1918	Good	260
Golf Course Road over Dry Wash	Yakima	1918	Fair	500
Dallas Street over Crown Z Mill Water Ditch	Clark	1919	Fair	4,231
Peterson RD E over Ohop Creek Overflow	Pierce	1919	Fair	85
Peterson RD E over Ohop Creek	Pierce	1919	Fair	85
Pioneer Highway over Thomsen Slough	Snohomish	1919	Fair	4,051
Hatch Road over Latah Creek	Spokane	1919	Fair	9,669
Old HWY 12 over Touchet River	Walla Walla	1919	Fair	7,642
Old HWY 12 over Dry Run	Walla Walla	1919	Fair	8,012
West Parker Height over S.v.i.d. Canal	Yakima	1919	Poor	400
Rosenoff RD over Intermittent Stream	Adams	1920	Fair	407
Rosenoff RD over Farrier Coulee	Adams	1920	Fair	207
Cunningham RD over Providence Coulee	Adams	1920	Fair	279
Second St. over Asotin Creek	Asotin	1920	Fair	500
Saunders Road over Peshastin Creek	Chelan	1920	Fair	428
Old US 395 Align over Boulder Creek	Ferry	1920	Fair	1
US 12 over Pataha CR	Garfield	1920	Poor	1,889
SR 23 over Dry Run	Lincoln	1920	Fair	377
Williams Road over Corbett Creek	Lincoln	1920	Good	18
Eckert Road over Case Inlet	Mason	1920	Fair	385
SR 507 over Muck Creek Overflow	Pierce	1920	Fair	11,031
SR 507 over Muck Creek	Pierce	1920	Fair	11,031
Orville RD E over Kapowsin Creek	Pierce	1920	Fair	1,850
SR 9 over W Fk Nookachamps CR	Skagit	1920	Fair	6,465
SR 11 over Samish River	Skagit	1920	Fair	4,112
SR 11 over Half Bridge	Skagit	1920	Fair	2,472
SR 11 over Hillside	Skagit	1920	Good	2,472
Cascade AVE Ext. over Kanaka Creek	Skamania	1920	Fair	72
SR 27 over Cove Creek	Spokane	1920	Fair	866
Riverside Avenue over Latah Creek	Spokane	1920	Good	2,390
SR 278 over Rock Creek	Spokane	1920	Fair	4,017
US 12 over Dry Creek	Walla Walla	1920	Fair	4,314
Plaza Way over Russell Creek	Walla Walla	1920	Fair	2,595
South Fork Coppei over South Fork Coppei CR	Walla Walla	1920	Poor	60
Old Milton HWY over Yellowhawk Creek	Walla Walla	1920	Fair	1,795
Byrnes RD over Up Rr	Walla Walla	1920	Fair	113
6th ST over Mill Creek	Walla Walla	1920	Poor	1,970
Colville ST over Mill Creek	Walla Walla	1920	Good	5,139
Haxton Wy over Red River	Whatcom	1920	Fair	5,592
Dupont Prospect ST over Whatcom Creek	Whatcom	1920	Fair	8,700
US 195 over Spring Flat Creek	Whitman	1920	Poor	9,093
Hay-lacrosse/7000 over Mud Flat Creek	Whitman	1920	Fair	65
Endicott/4000 over Rebel Flat Creek	Whitman	1920	Fair	672
Sixth ST over North Fork Palouse River	Whitman	1920	Fair	300