US Bridges

Okanogan County, Washington bridges

Okanogan County has 161 bridges and culverts in the National Bridge Inventory, the oldest built in 1900. 12 (7%) are rated poor. The most common type is stringer/multi-beam or girder (37%).

Bridges
161
Good
47%
Fair
46%
Poor
7%
12 bridges
Average age
53.2 yrs
Posted or closed
10

Map of bridges in Okanogan County

Green good, amber fair, red poor. Click a marker for details.

Search bridges in Okanogan County

Type at least two characters, or pick a condition or type, to search every bridge in the county.

Condition

7%poor
Good47%(75)
Fair46%(74)
Poor7%(12)

When they were built

<1900: 0 bridges<19001900s: 1 bridges119001910s: 0 bridges19101920s: 2 bridges219201930s: 9 bridges919301940s: 19 bridges1919401950s: 25 bridges2519501960s: 34 bridges3419601970s: 21 bridges2119701980s: 6 bridges619801990s: 7 bridges719902000s: 25 bridges2520002010s: 8 bridges820102020s: 4 bridges42020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. US 97 over Okanogan River
    8,828 vehicles/day
    Fair
  2. US 97 over SR 155
    8,828 vehicles/day
    Poor
  3. Good
  4. Fair
  5. US 97 over Bonaparte CR
    5,771 vehicles/day
    Good

Longest

Oldest

All bridges in Okanogan County

Busiest first · showing 1–161 of 161
Bridges in Okanogan County
BridgeLocationBuiltTypeLengthDaily trafficCondition
US 97 over Okanogan River
No. 0007308A0000000
0.7 N JCT SR 1551964Box Beam or Girders - Multiple418 ft8,828Fair
US 97 over SR 155
No. 0007309B0000000
0.2 N JCT SR 1551964Slab58 ft8,828Poor
US 97 over Gn Rr-County Road
No. 0007309A0000000
4.1 N JCT SR 201964Box Beam or Girders - Multiple276 ft7,453Good
SR 155 Spur over Okanogan River
No. 000000HD0000000
0.2 W JCT SR 1551923Arch - Deck410 ft5,987Fair
US 97 over Bonaparte CR
No. 0005367A0000000
22.4 N JCT SR 2151957Slab80 ft5,771Good
US 97 over Watson Draw
No. 0007683A0000000
1.5 N JCT SR 1531965Tee Beam100 ft5,644Poor
US 97 over Methow River
No. 0007881A0000000
0.1 N JCT SR 1531966Box Beam or Girders - Multiple468 ft5,564Fair
SR 215 over Salmon CR
No. 0003718A0000000
0.6 N JCT SR 201950Slab59 ft5,294Fair
SR 20 over H W Channel Methow R
No. 0003081B0000000
37.7 E Chelan CO1945Slab59 ft4,775Good
SR 20 over H W Channel Methow R
No. 0003081C0000000
38.4 E Chelan CO1946Slab59 ft4,775Good
US 97 over Okanogan R & RR
No. 0005371A0000000
18.3 N JCT SR 2151957Box Beam or Girders - Multiple659 ft4,734Fair
SR 20 over Methow River
No. 0003722A0000000
30.8 E Chelan CO1929Truss - Thru335 ft4,683Poor
SR 20 over Methow River
No. 0016134A0000000
39.6 E Chelan CO2002Stringer/Multi-beam or Girder361 ft4,549Good
US 97 over Okanogan River
No. 000000LX0000000
3.6 N JCT SR 1731950Stringer/Multi-beam or Girder458 ft4,504Fair
SR 20 over Twisp R
No. 0015714A0000000
38.8 E Chelan CO2000Stringer/Multi-beam or Girder198 ft4,361Good
US 97 over Siwash Creek
No. 0003403A0000000
0.6 N JCT SR 201948Tee Beam52 ft4,282Good
Oak Street over Okanogan River
No. 087084000000000
0.09 SW SR 2152003Stringer/Multi-beam or Girder340 ft4,100Good
SR 20 over Chewuch River
No. 0006563A0000000
30.2 E Chelan CO1961Box Beam or Girders - Multiple125 ft3,696Poor
US 97 over Dan Creek
No. 086142000000000
3.9 N JCT SR 171900Culvert22 ft3,479Good
US 97 over Okanogan River
No. 0003897A0000000
15.6 N JCT SR 201951Tee Beam382 ft3,349Fair
FAS Route P240 over Okanogan River
No. 086499000000000
0.25 MI W. US-971999Girder and Floorbeam System309 ft3,056Fair
SR 20 over Okanogan River
No. 0005956A0000000
0.2 E JCT SR 2151959Box Beam or Girders - Multiple368 ft2,479Fair
SR 20 over Railroad
No. 0005956B0000000
0.3 E JCT SR 2151959Slab165 ft2,479Fair
SR 155 over Omak CR
No. 0008186A0000000
50.5 N Douglas CO1967Slab95 ft2,399Fair
SR 153 over Beaver Creek
No. 0015890A0000000
29.3 N JCT US 972001Culvert36 ft2,313Good
SR 153 over Methow River
No. 0001658A0000000
3.7 N JCT US 971933Tee Beam292 ft1,847Fair
SR 153 over Methow River
No. 0002450A0000000
11.9 N JCT US 971939Tee Beam476 ft1,847Poor
SR 153 over Methow River
No. 0002450B0000000
13.5 N JCT US 971939Tee Beam415 ft1,847Poor
SR 153 over Methow River
No. 0002450C0000000
14.0 N JCT US 971939Tee Beam350 ft1,847Poor
SR 153 over Methow River
No. 0002450D0000000
15.5 N JCT US 971939Tee Beam302 ft1,847Poor
SR 153 over Black Canyon Creek
No. 0003583A0000000
6.6 N JCT US 971949Tee Beam98 ft1,847Fair
SR 153 over Methow River
No. 0003704A0000000
4.3 N JCT US 971950Truss - Thru425 ft1,847Fair
SR 20 over Bonaparte Creek
No. 0001738A0000000
0.9 E JCT US 971933Arch - Deck118 ft1,755Fair
SR 20 over Bonaparte CR
No. 0015877A0000000
4.6 E JCT US 972000Slab67 ft1,755Good
SR 153 over Methow River
No. 0001976A0000000
22.3 N JCT US 971935Tee Beam438 ft1,578Fair
SR 153 over Methow River
No. 0002450E0000000
18.9 N JCT US 971939Tee Beam302 ft1,578Fair
SR 153 over Methow River
No. 0003507A0000000
16.9 N JCT US 971939Tee Beam454 ft1,578Fair
FAS Route Z240 over Okanogan River
No. 083609000000000
.SWNWS27T40NR27E1971Tee Beam180 ft1,527Fair
SR 20 over Methow River
No. 0012559A0000000
22.1 E Chelan CO1984Stringer/Multi-beam or Girder409 ft1,478Fair
County Road 9155 over Chiliwist Creek
No. 079937000000000
01.8 Mi.S.Malott1944Slab23 ft1,415Fair
SR 20 over Beaver Creek
No. 0017131A0000000
1.8 E JCT SR 1532006Slab29 ft1,388Good
SR 20 over Bonaparte Creek
No. 0015877B0000000
7.7 E JCT US 972001Slab56 ft1,358Good
Ocr 3735 over Omak Creek
No. 084842000000000
0.29 NE.JCT.SR1551968Stringer/Multi-beam or Girder50 ft1,339Good
SR 20 over Early Winters Creek
No. 0007567A0000000
15.2 E Chelan CO1964Tee Beam97 ft1,280Poor
SR 20 over Early Winters Creek
No. 0008473B0000000
8.0 E Chelan CO1968Stringer/Multi-beam or Girder66 ft1,280Good
SR 20 over Early Winters Creek
No. 0008473C0000000
13.4 E Chelan CO1968Box Beam or Girders - Multiple220 ft1,280Good
SR 20 over Little Boulder Creek
No. 0016979A0000000
18.8 E Chelan CO2005Culvert29 ft1,280Good
SR 20 over Cutthroat Creek
No. 0008473A0000000
4.5 E Chelan CO1968Stringer/Multi-beam or Girder65 ft1,081Good
Lost River RD over Methow River
No. 083318000000000
.Nese S25 T36 R191972Stringer/Multi-beam or Girder214 ft1,057Fair
FAS Route U243 over Similkameen River
No. 083864000000000
.NESWS28T40NR27E1950Tee Beam365 ft985Fair
FAS Route T242 over Okanogan River
No. 081687000000000
.SENWS14T38NR27E1961Box Beam or Girders - Multiple339 ft894Fair
FAS Route F241 over Salmon Creek
No. 080541000000000
.SESWS6T35NR25E1949Slab60 ft867Fair
Monse Bridge RD over Okanogan River
No. 084670000000000
0.25 MI W. HWY971967Girder and Floorbeam System560 ft781Fair
SR 213 over Okanogan River
No. 0006731A0000000
0.2 N JCT US 971962Box Beam or Girders - Multiple318 ft773Fair
FAS Route A240 over Twisp River
No. 081404000000000
.SESES12T33NR21E1949Stringer/Multi-beam or Girder108 ft770Poor
Wolf Creek RD over Wolf Creek
No. 084368000000000
3.2 W.SR20 @ Wnthp1963Channel Beam30 ft702Fair
Tunk Valley RD over Okanogan River
No. 085437000000000
0.32 M E US 971969Stringer/Multi-beam or Girder330 ft650Fair
Columbia River RD over Omak Creek
No. 087574000000000
0.77 MI S. Jct. SR1552006Culvert49 ft553Good
Kendell Street over Johnson Creek
No. 085439000000000
0.3 NE US97 @rivsd1976Channel Beam26 ft521Good
Ocr 3358 over Omak Creek
No. 084839000000000
0.43 NE.JCT.SR1551973Tee Beam50 ft463Good
Mill Street over Salmon Creek
No. 087575000000000
.31 MI West of SR2152006Stringer/Multi-beam or Girder50 ft450Fair
County Road 9221 over Salmon Creek
No. 084243000000000
NWNWS31T34NR26E1949Stringer/Multi-beam or Girder23 ft427Fair
Salmon Creek RD over Salmon Creek
No. 089344000000000
3 Miles NW of Okanogan2022Frame35 ft427Good
Lost River RD over Gate Creek
No. 081150000000000
4 Mi. N. of Goat CR RD1971Stringer/Multi-beam or Girder32 ft395Fair
County Road 4719 over Nine Mile Creek
No. 081884000000000
1.75 NO.JCT.94801980Stringer/Multi-beam or Girder28 ft352Good
FAS Route L242 over Goat Creek
No. 084393000000000
1.5 MI SE Mazama1971Stringer/Multi-beam or Girder30 ft338Fair
Twisp River Road over Little Bridge Creek
No. 087782000000000
8.07 MI West of Twisp2008Culvert40 ft321Good
Salmon Creek RD over Salmon Creek
No. 089169000000000
2.24 Miles N. of SR 2152020Tee Beam68 ft274Good
Greenacres RD over Johnson Creek
No. 089486000000000
4 Miles West of Riverside2023Culvert21 ft265Good
Lake Street over Salmon Creek
No. 085060000000000
0.02 MI E Main ST1973Channel Beam24 ft260Fair
First Avenue over Salmon Creek
No. 085260000000000
.3 MI S of Oak ST1970Stringer/Multi-beam or Girder38 ft260Fair
Fifth Avenue over Salmon Creek
No. 085265000000000
.07 S of Tyee ST1970Stringer/Multi-beam or Girder38 ft260Fair
IRR BIA RTE 1167 over Nespelem River
No. 00000000000P339
0.6 KM West of Agency1957Slab105 ft250Fair
Buffalo Lake RD over Little Nespelem River
No. 088643000000000
1.2 MI SE Ind. Agcy2014Tee Beam63 ft244Good
County Road 2361 over Salmon Creek
No. 085059000000000
0.1 MI N JCT.40151976Channel Beam38 ft199Fair
Chewuck Road over Falls Creek
No. 060805000001006
No Data Entered1949Frame55 ft196Good
Chewuck Road over Eightmile Creek
No. 060805000001008
No Data Entered1949Frame80 ft196Good
FAS Route K241 over Chewuch River
No. 079912000000000
6.5 MI N of Winthrop1953Stringer/Multi-beam or Girder120 ft173Fair
Salmon/Boulder RD over North Fork Boulder Creek
No. 060805000001021
No Data Entered1949Frame100 ft158Fair
Meadows/Toats RD over Toats Coulee Creek
No. 060803000001015
No Data Entered1949Frame80 ft153Good
Meadows/Toats RD over Toats Coulee Creek
No. 060803000001016
No Data Entered1949Stringer/Multi-beam or Girder64 ft153Good
FAS Route W240 over Similkameen River
No. 081659000000000
.Senw S13 T40 R251973Stringer/Multi-beam or Girder306 ft122Good
Harts Pass Road over Robinson Creek
No. 060805000001001
1.73 MI UP RD #54001955Stringer/Multi-beam or Girder67 ft112Fair
Bonaparte Ave. over Bonaparte Creek
No. 081997000000000
0.1 S.Seventh St.1972Stringer/Multi-beam or Girder24 ft100Fair
Eightmile Road over Eightmile Creek
No. 060805000001005
No Data Entered1949Stringer/Multi-beam or Girder122 ft97Good
Lost River RD over Lost River
No. 080358000000000
6.3MI NW Mazama1950Stringer/Multi-beam or Girder90 ft95Poor
FAS Route V242 over Sinlahekin Creek
No. 083465000000000
2.3 Mi.N.Loomis1966Tee Beam61 ft93Fair
Ocr 3683 over Mill Creek
No. 079694000000000
1.29 NO.JCT.SR1551958Stringer/Multi-beam or Girder26 ft92Fair
County Road 1029 over Gold Creek
No. 082018000000000
0.61 N.JCT.SR1531972Stringer/Multi-beam or Girder30 ft90Good
Salmon Meadows RD over N. Fk Salmon Creek
No. 060803000001017
No Data Entered1949Frame80 ft76Good
Salmon Meadows RD over N.Fork Salmon Creek
No. 060803000001018
No Data Entered1949Frame65 ft76Fair
County Road 3797 over Tunk Creek
No. 080187000000000
4.7 Mi.N.Riverside1973Stringer/Multi-beam or Girder32 ft76Fair
IRR BIA RTE 64 over West Fork San Poil River
No. 00000000000P313
13 KM SW of Republic1962Stringer/Multi-beam or Girder52 ft75Fair
No Data Entered over Middle Fork Toats Coulee
No. 061709000015070
No Data Entered2011Culvert30 ft75Good
County Road 2017 over W.Fork Salmon Creek
No. 081652000000000
02.23 MI W JCT 92291949Girder and Floorbeam System70 ft72Fair
County Road 1090 over Butter Milk Creek
No. 081847000000000
11.1 W.SR20 @ Twisp1960Stringer/Multi-beam or Girder66 ft70Good
County Road 1089 over Twisp River
No. 080552000000000
6.9 W.SR20 @ Twisp1960Stringer/Multi-beam or Girder120 ft65Good
Cub/Goat CR RD over Goat Creek
No. 060805000001024
No Data Entered1957Stringer/Multi-beam or Girder91 ft63Good
Hatchery Entrance over Foghorn Irrigation Canal
No. 000013265-00055
453 Twin Lakes Road2012Frame29 ft60Good
S. Fk. Gold CR over Gold Creek
No. 060804000001014
No Data Entered1949Frame115 ft60Good
County Road 4015 over Sinlahekin Creek
No. 081809000000000
3.1 S.9425@ Loomis1973Stringer/Multi-beam or Girder30 ft56Fair
Cecil Creek RD over Sinlahekin Creek
No. 089156000000000
2 Miles South of Loomis1975Stringer/Multi-beam or Girder34 ft54Fair
Ray Road over N. Fk Salmon CR
No. 060803000001019
No Data Entered1965Stringer/Multi-beam or Girder80 ft53Good
FAS Route 9221 over County Road 9221
No. 080226000000000
0.01MI S Happy Hill RD1969Stringer/Multi-beam or Girder22 ft53Fair
County Road 1090 over Twisp River
No. 081831000000000
10.9 W.SR20 @ Twisp1959Stringer/Multi-beam or Girder102 ft52Fair
County Road 9455 over Lost Creek
No. 081953000000000
17.4 Mi.Se JCT.SH301958Stringer/Multi-beam or Girder43 ft52Fair
Ocr 3683 over Nespelem River
No. 089299000000000
5.1 MI N. SR 1552022Slab71 ft51Good
IRR BIA RTE 66 over Looney Creek
No. 00000000000P338
N.W. End of BIA Rt. 662001Stringer/Multi-beam or Girder50 ft50Fair
IRR Route 116 over Stepstone Creek
No. 00000000000P340
13 KM North of Nespelem1998Culvert28 ft50Fair
No Data Entered over North Fork Toats Coulee
No. 060803000001110
No Data Entered1973Culvert22 ft50Fair
Black Canyon Road over Black Canyon Creek
No. 060804000001023
No Data Entered1965Stringer/Multi-beam or Girder30 ft50Fair
No Data Entered over Lower Libby Creek
No. 061704000003295
No Data Entered2004Culvert34 ft50Good
No Data Entered over War Creek
No. 061704000003322
No Data Entered2005Stringer/Multi-beam or Girder72 ft50Good
No Data Entered over Andrews Creek
No. 061704000010582
No Data Entered2006Truss - Thru165 ft50Fair
No Data Entered over Cub Creek
No. 061704000013300
No Data Entered2009Slab27 ft50Good
Broadway Street over North Fork Salmon Creek
No. 085057000000000
0.02 E of Main St.1982Channel Beam26 ft50Fair
Silver ST over North Fork Salmon CR
No. 086261000000000
0.01 E Main ST1997Channel Beam29 ft50Good
Ocr 3683 over Nespelem River
No. 088928000000000
5.13 No. Jct. SR 1552017Slab70 ft44Good
County Road 1600 over Beaver Creek
No. 079893000000000
2.8 MI.N.JCT.SR201957Channel Beam24 ft43Poor
Ocr 3586 over Little Nespelem River
No. 088929000000000
2.4 E. Indian Agcy.2017Slab68 ft42Good
Eightmile Road over Eightmile Creek
No. 060805000001030
No Data Entered1955Stringer/Multi-beam or Girder39 ft40Good
Ocr 3683 over Smith Creek
No. 081382000000000
0.72 NO.JCT.SR1551958Stringer/Multi-beam or Girder26 ft39Fair
Foggy Dew RD over North Fk Gold Creek
No. 060804000001013
No Data Entered1949Frame90 ft37Fair
Sinlahekin RD over Blue Lake Outlet
No. 089032000000000
9.5 MI S. of Loomis2018Culvert21 ft36Good
Mid Salmon/Boulder over N. Fk Boulder CR
No. 060805000001026
No Data Entered1960Stringer/Multi-beam or Girder41 ft35Fair
No Data Entered over Reynolds Creek
No. 061704000033773
No Data Entered2008Culvert31 ft35Good
County Road 1637 over Beaver Creek
No. 083264000000000
5.4 MI.N.JCT.SR201962Stringer/Multi-beam or Girder72 ft35Good
County Road 4723 over Nine Mile Creek
No. 081837000000000
NENWS15T40NR27E1980Stringer/Multi-beam or Girder24 ft34Fair
W. Twisp River RD over Twisp River
No. 060804000001009
No Data Entered1958Frame120 ft30Good
Bumblebee RD over Gold Creek
No. 060804000001012
No Data Entered1967Frame90 ft30Good
No Data Entered over S. Fork Gold Creek
No. 061704000010815
No Data Entered2006Culvert26 ft30Good
No Data Entered over Rainy Creek
No. 061704000010816
No Data Entered2006Culvert28 ft30Good
Conconogan Road over West Fork Salmon Creek
No. 11CONR002
Conconully Reservoir2018Stringer/Multi-beam or Girder56 ft30Good
Burma RD over Methow River
No. 085744000000000
0.1 Mi.E. JCT SR1531990Stringer/Multi-beam or Girder212 ft27Good
IRR BIA RTE 56 over North Star Creek
No. 00000000000P303
16 KM North of Nespelem1962Stringer/Multi-beam or Girder27 ft25Fair
IRR BIA RTE 6 over Gold Creek
No. 00000000000P314
21 KM SW of Republic1962Stringer/Multi-beam or Girder27 ft25Fair
IRR BIA RTE 62 over Gold Creek
No. 00000000000P315
23 KM SW of Republic1962Stringer/Multi-beam or Girder27 ft25Fair
Dugout Mtn RD over Lost Creek
No. 060803000001002
No Data Entered1981Stringer/Multi-beam or Girder35 ft25Fair
Ortell Road over Eightmile Creek
No. 060805000001003
No Data Entered1955Frame57 ft25Good
Falls Creek Road over Falls Creek
No. 060805000001004
No Data Entered1950Slab44 ft25Good
E. Side Chewuch over Chewuch River
No. 060805000001020
No Data Entered1950Stringer/Multi-beam or Girder137 ft24Good
Chewack RD over Lake Creek
No. 060805000001027
No Data Entered1956Stringer/Multi-beam or Girder50 ft24Fair
Knox Road 3817 over Tunk Creek
No. 082287000000000
2.7 Mi.W.Synarep1976Stringer/Multi-beam or Girder30 ft22Good
Reynolds RD over Twisp River
No. 060804000001011
No Data Entered1961Frame100 ft21Good
County Road 1075 over Twisp River
No. 081087000000000
4.1 W.SR20 @ Twisp1974Tee Beam78 ft21Good
IRR BIA RTE 74 over Little Nespelem River
No. 00000000000P336
4.8 KM E of Colville Agcy1994Culvert27 ft20Fair
County Road 9221 over Salmon Creek
No. 083951000000000
12.1 MI NW Okanogan1969Stringer/Multi-beam or Girder26 ft20Fair
Salmon CR RD over Salmon Creek
No. 083960000000000
12.7 MI NW Okanogan1969Stringer/Multi-beam or Girder24 ft20Fair
County Road 4087 over Palmer Creek
No. 084713000000000
03.5 Mi.S.Nighthawk1980Tee Beam79 ft19Fair
Buttermilk Butte over East Fork Buttermilk CR
No. 060804000001025
No Data Entered1992Stringer/Multi-beam or Girder42 ft15Fair
Klipchuck Road over Early Winter Creek
No. 060805000001007
Road to Klipchuck Cg1972Frame100 ft15Good
IRR BIA RTE 74 over Little Nespelem River
No. 00000000000P337
8.1 KM E of Colville Agcy1994Culvert28 ft10Fair
No Data Entered over Upper S Fk Gold Creek
No. 060804000001105
No Data Entered2009Culvert26 ft10Good
No Data Entered over Little Bridge Creek
No. 060807000003003
No Data Entered2001Culvert28 ft10Good
4415030 over Little Bridge Creek
No. 060807000003004
No Data Entered2001Culvert40 ft10Good
No Data Entered over East Fork Buttermilk
No. 060807000003005
No Data Entered2001Culvert24 ft10Good
No Data Entered over Ben Creek over Libby Cre
No. 061704000003210
No Data Entered2004Culvert40 ft5Good
FSR 5400700 over Slate Creek
No. 061704000012936
No Data Entered2009Stringer/Multi-beam or Girder40 ft5Good
Ed Figlinski RD over Tunk Creek
No. 082033000000000
1.1 Mi.W.Synarep1976Stringer/Multi-beam or Girder25 ft5Good
Pelican Creek RD over North Fork Salmon CR
No. 060803000001010
6.1 Miles N of Concunully1964Frame60 ft2Good
Loup Loup Canyon R over Loup Loup Creek
No. 088708000000000
3.98 MI N JCT SR202014Slab52 ft1Good

Structure types in Okanogan County

Stringer/Multi-beam or Girder6037.3%
Culvert2113.0%
Tee Beam2113.0%
Slab1911.8%
Frame169.9%
Box Beam or Girders - Multiple95.6%
Channel Beam74.3%
Truss - Thru31.9%
Girder and Floorbeam System31.9%
Arch - Deck21.2%

Other counties in Washington