US Bridges

Mason County, Washington bridges

Mason County has 136 bridges and culverts in the National Bridge Inventory, the oldest built in 1917. 4 (3%) are rated poor. The most common type is stringer/multi-beam or girder (31%).

Bridges
136
Good
57%
Fair
40%
Poor
3%
4 bridges
Average age
48.9 yrs
Posted or closed
3

Map of bridges in Mason County

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

Search bridges in Mason County

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

Condition

3%poor
Good57%(77)
Fair40%(55)
Poor3%(4)

When they were built

<1900: 0 bridges<19001900s: 0 bridges19001910s: 1 bridges119101920s: 9 bridges919201930s: 2 bridges219301940s: 2 bridges219401950s: 21 bridges2119501960s: 29 bridges2919601970s: 15 bridges1519701980s: 10 bridges1019801990s: 14 bridges1419902000s: 16 bridges1620002010s: 9 bridges920102020s: 8 bridges82020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. US 101 over Mill Creek
    19,397 vehicles/day
    Good
  2. US 101 over Creek/Rr/Street
    18,182 vehicles/day
    Fair
  3. US 101 over Matlock RD
    18,182 vehicles/day
    Poor
  4. SR 3 over Goldsborough Creek
    17,285 vehicles/day
    Fair
  5. US 101 over SR 3
    17,050 vehicles/day
    Fair

Longest

  1. Harstine Bridge RD over Pickering Passage
    1,466 ft
    Fair
  2. SR 106 over Skokomish River
    720 ft
    Good
  3. No Data Entered over N Fk Skokomish River
    687 ft
    Fair
  4. US 101 over Skokomish River
    405 ft
    Fair
  5. Eckert Road over Case Inlet
    361 ft
    Fair

Oldest

  1. Old Olympic Highwa over Kennedy Creek
    Built 1917
    Fair
  2. Eckert Road over Case Inlet
    Built 1920
    Fair
  3. SR 3 over Mill Creek
    Built 1921
    Fair
  4. SR 3 over Goldsborough Creek
    Built 1923
    Fair
  5. US 101 over Hamma Hamma River
    Built 1924
    Fair

All bridges in Mason County

Busiest first · showing 1–136 of 136
Bridges in Mason County
BridgeLocationBuiltTypeLengthDaily trafficCondition
US 101 over Mill Creek
No. 0009361D0000000
4.9 S JCT SR 1021973Stringer/Multi-beam or Girder153 ft19,397Good
US 101 over Creek/Rr/Street
No. 0009361B0000000
3.1 S JCT SR 1021973Stringer/Multi-beam or Girder338 ft18,182Fair
US 101 over Matlock RD
No. 0009361C0000000
3.4 S JCT SR 1021973Stringer/Multi-beam or Girder207 ft18,182Poor
SR 3 over Goldsborough Creek
No. 0000729A0000000
2.4 N JCT US 1011923Arch - Thru57 ft17,285Fair
US 101 over SR 3
No. 0009121B0000000
5.7 S JCT SR 1021972Stringer/Multi-beam or Girder134 ft17,050Fair
SR 3 over Deer Creek
No. 0005604B0000000
9.0 N JCT US 1011957Slab71 ft15,878Good
SR 3 over Cranberry Creek
No. 0005604A0000000
8.6 N JCT US 1011957Slab71 ft15,815Fair
SR 3 over Johns Creek
No. 0003458A0000000
6.6 N JCT US 1011948Slab82 ft15,751Fair
SR 3 over Mill Creek
No. 0000451A0000000
0.9 N JCT US 1011921Tee Beam129 ft15,354Fair
US 101 over Kennedy Creek
No. 0006383A0000000
2.7 S JCT SR 1081960Slab129 ft13,297Fair
US 101 over Kennedy Creek
No. 0006383B0000000
2.7 S JCT SR 1081960Slab129 ft13,297Fair
US 101 over Skookum CR Np RY
No. 0006884A0000000
0.3 S JCT SR 1081962Stringer/Multi-beam or Girder240 ft12,942Fair
US 101 over Skookum CR Np RY
No. 0006884B0000000
0.3 S JCT SR 1081962Stringer/Multi-beam or Girder240 ft12,942Fair
SR 300 over Union River
No. 0006393A0000000
2.9 E State Park1960Stringer/Multi-beam or Girder65 ft12,136Fair
SR 108 over Little Skookum Creek
No. 0018849A0000000
7.7 E Grays Hbr CO2016Culvert22 ft11,722Good
US 101 over SR 108
No. 0012707A0000000
3.5 S JCT SR 31986Stringer/Multi-beam or Girder109 ft11,184Good
SR 3 over Sherwood Creek
No. 0004133A0000000
20.5 N JCT US 1011952Tee Beam147 ft10,739Fair
Shelton Matlock RD over Goldsborough Creek
No. 083219000000000
1.38 W JCT SR 31977Stringer/Multi-beam or Girder100 ft8,200Good
US 101 over Skokomish River
No. 0001604A0000000
1.8 S JCT SR 1061932Truss - Thru405 ft7,648Fair
US 101 over Weaver Creek
No. 0008742A0000000
2.1 S JCT SR 1061970Slab99 ft7,648Good
US 101 over Slough
No. 0012672A0000000
1.6 S JCT SR 1061985Slab160 ft7,648Good
US 101 over Purdy Creek
No. 0017577A0000000
4.1 S JCT SR 1062009Stringer/Multi-beam or Girder350 ft7,648Good
SR 300 over Mission Creek
No. 0007342A0000000
0.3 E State Park1963Slab51 ft7,374Fair
SR 101 over Cushman Tailrace
No. 0001350A0000000
19.9 S Jefferson CO1930Tee Beam71 ft7,356Fair
W. Kneeland Blvd over US 101
No. 0014145A0000000
1.7 S JCT SR 1021993Stringer/Multi-beam or Girder100 ft6,636Good
7th Avenue over Goldsbrough Creek
No. 084933000000000
00.1 S Railroad Ave1976Stringer/Multi-beam or Girder61 ft6,000Good
US 101 over Finch Creek
No. 0000947A0000000
17.1 S Jefferson CO1925Slab62 ft4,585Good
SR 302 over Coulter CR
No. 0005121A0000000
1.3 E JCT SR 31956Stringer/Multi-beam or Girder116 ft4,313Fair
Arcadia Road over Bur. Nor. Railroad
No. 083790000000000
1.45 E JCT SR 31978Stringer/Multi-beam or Girder125 ft4,134Good
SR 108 over Skookum Creek
No. 0004130B0000000
6.9 E Grays Hbr CO1952Stringer/Multi-beam or Girder87 ft3,948Fair
US 101 over Sund Creek
No. 0011746A0000000
14.3 S Jefferson CO1925Slab23 ft3,766Fair
SR 108 over Skookum Creek
No. 0004130A0000000
2.5 E Grays Hbr CO1952Stringer/Multi-beam or Girder70 ft3,581Fair
SR 108 over Unt to Skookum Creek
No. 0019714B0000000
5.6 E JCT SR 82024Culvert35 ft3,581Good
Old Belfair Highwa over Union River
No. 082683000000000
1.19 N JCT SR 3001987Slab65 ft3,517Good
US 101 over Lilliwaup R
No. 0000948A0000000
12.6 S Jefferson CO1925Tee Beam111 ft3,173Fair
US 101 over Eagle CR
No. 0003764A0000000
10.1 S Jefferson CO1950Slab82 ft3,065Good
Agate RD over Campbell Creek
No. 086009000000000
3.13 S JCT SR31993Culvert26 ft3,036Good
US 101 over Jorsted Creek
No. 0012918A0000000
6.8 S Jefferson CO1985Slab180 ft2,997Fair
US 101 over Hamma Hamma River
No. 0000734A0000000
5.1 S Jefferson CO1924Arch - Thru153 ft2,911Fair
US 101 over Hamma Hamma River
No. 0000734B0000000
5.3 S Jefferson CO1924Arch - Thru154 ft2,911Good
US 101 over Waketickeh Creek
No. 0012218A0000000
3.9 S Jefferson CO1982Stringer/Multi-beam or Girder72 ft2,639Fair
Belfair Tahuya RD over Tahuya River
No. 088039000000000
3.73 NW N. Shore RD2009Stringer/Multi-beam or Girder116 ft2,558Good
SR 106 over Twanoh Falls Creek
No. 0018494A0000000
13.5 E JCT US 1012014Culvert27 ft2,353Good
SR 106 over Twanoh Creek
No. 0019867A0000000
12.3 E JCT US 1012023Culvert29 ft2,353Good
SR 106 over Alderbrook Ped Path
No. 002003930000000
7.0 E JCT US 1012007Arch - Deck32 ft2,353Good
Harstine Bridge RD over Pickering Passage
No. 079969000000000
3.4 E JCT SR31969Stringer/Multi-beam or Girder1,466 ft2,155Fair
Shelton Matlock RD over Goldsborough Creek
No. 081924000000000
4.85 W JCT SR 31956Slab122 ft2,079Good
Mason Lake Rd. over Cranberry Creek
No. 086011000000000
2.68 N JCT SR 31993Culvert25 ft1,783Good
Shelton Matlock RD over No. Fork Goldsborough Ck
No. 085640000000000
0.23 E Dayton Airport RD1988Culvert40 ft1,777Fair
SR 106 over Skokomish River
No. 0013205A0000000
1.4 E JCT US 1011987Stringer/Multi-beam or Girder720 ft1,614Good
SR 106 over Skobob Creek
No. 0016937A0000000
0.8 E JCT US 1012005Stringer/Multi-beam or Girder120 ft1,614Good
Shelton Matlock RD over Bingham Creek
No. 081495000000000
1.3 E Matlock1960Slab77 ft1,437Good
C ST over US 101
No. 0009361A0000000
2.8 S JCT SR 1021973Stringer/Multi-beam or Girder232 ft1,270Good
W Cloquallum RD over US 101
No. 0009121A0000000
4.5 S JCT SR 1021972Stringer/Multi-beam or Girder251 ft1,207Fair
US 101 S-N Ramp over Wetland
No. 0017504A0000000
5.7 S JCT SR 1022008Stringer/Multi-beam or Girder160 ft1,187Good
N. Shore Road over Tahuya River
No. 089517000000000
5.31 W Old Belfair Hyw2024Culvert34 ft1,050Good
Trails Road over Sherwood Creek
No. 089541000000000
3.34 SW of SR 1061995Culvert47 ft1,050Good
Shelton-Matlock RD over Coffee Creek
No. 0019018A0000000
3.6 S JCT SR 1022020Culvert40 ft1,000Good
Steelhead Drive So over Mission Creek
No. 085885000000000
0.04 W Mission CR RD1990Tee Beam58 ft950Fair
Arcadia Rd. over Mill Creek
No. 083408000000000
4.72 E JCT SR 31971Stringer/Multi-beam or Girder180 ft879Good
Grapeview Loop RD over Mclane Cove
No. 087604000000000
2.45 E JCT SR 32008Stringer/Multi-beam or Girder110 ft835Good
Mission Creek RD over Mission Creek
No. 085884000000000
0.40 N JCT SR 3001991Tee Beam58 ft827Good
Mission Creek Road over Big Mission Creek
No. 084862000000000
0.79 N JCT SR 3001968Tee Beam31 ft671Fair
Cloquallum Road over Cloquallum Creek
No. 086147000000000
2.51 MI S JCT Satsop Cloq1994Slab64 ft627Good
Cloquallum Road over Cloquallum Creek
No. 086196000000000
1.53 S JCT Highland RD1996Slab69 ft627Good
Cloquallum Road over Cloquallum Creek
No. 086197000000000
2.31 S JCT Highland RD1996Slab73 ft627Good
Co. Rd. 90100 over Decker Creek
No. 086195000000000
6.4 MI So Matlock1996Arch - Thru354 ft588Fair
North Shore RD over Rendsland Creek
No. 082595000000000
4.48 W of Belfair Tahuya1950Slab53 ft526Fair
IRR BIA RTE 8 over Skobob Creek
No. 00000000000P030
Skokomish Tribal Center1998Tee Beam100 ft525Good
SR 119 over Big Creek
No. 002003660000000
9.4 N JCT SR 1011960Tee Beam25 ft519Fair
North Shore RD over Tahuya Estuary
No. 083037000000000
0.14 S Belfair Tahuya RD1961Stringer/Multi-beam or Girder123 ft513Fair
North Shore Road over Great Bend Creek
No. 089304000000000
13.3 M JCT SR 3002022Culvert24 ft513Good
Skokomish Valley R over Vance Creek
No. 081615000000000
4.58 W JCT SR1011959Tee Beam70 ft494Good
Skokomish Valleyrd over Vance Creek
No. 082397000000000
3.88 W JCT SR 1011963Tee Beam103 ft494Good
Skok. River RD over Weaver Creek
No. 088395000000000
0.69 W JCT SR1012012Stringer/Multi-beam or Girder70 ft494Good
Skokomish Valleyrd over Hunter Creek
No. 088829000000000
1.76 W JCT SR 1012015Girder and Floorbeam System137 ft494Good
E. Mason Lake RD W over Schumocher Creek
No. 087097000000000
0.73 MI No of Mason Lk RD2002Tee Beam63 ft490Good
Eckert Road over Case Inlet
No. 080725000000000
0.15 E Grapeview Loop RD1920Stringer/Multi-beam or Girder361 ft385Fair
Schaffer ST Prk RD over Decker Creek
No. 084043000000000
0.59 E JCT Matlockbrady1967Tee Beam145 ft376Good
Schaffer Park RD over East Fork Satsop River
No. 086080000000000
1.29 E Matlock Brady RD1993Tee Beam160 ft376Good
Agate Loop RD over Campbell Creek
No. 081698000000000
0.48 N JCT Crestview DR1950Slab92 ft257Poor
Dewatto Holly RD over Dewatto River
No. 083124000000000
2.49 NE JCT Dewatto RD1967Stringer/Multi-beam or Girder55 ft200Fair
Little Egypt Rd. over No. Fk. Goldsborough Ck.
No. 082323000000000
0.33 S JCT Sheltonmatloc1958Tee Beam40 ft191Fair
Little Egypt RD over So. Fk. Goldsborough Ck.
No. 082526000000000
1.86 S Sheltonmatlock RD1966Tee Beam48 ft191Good
Deegan Road West over Coffee Creek
No. 089185000000000
2.35 E Shelton Matlock RD2020Culvert23 ft187Good
Finch Creek RD over Finch Creek
No. 088038000000000
0.18 Miles W SR 1012009Slab35 ft184Good
Deckerville Road over Decker Creek
No. 080806000000000
2.84 W JCT Matlock1949Tee Beam26 ft149Fair
Deckerville Road over Dry Bed Creek
No. 081080000000000
0.59 W JCT Matlock1963Slab60 ft149Good
Mary M Knight RD over Dry Creek
No. 082799000000000
0.15 W of Matlockbradyrd1970Tee Beam30 ft148Fair
Satsopcloquallumrd over Comfort Creek
No. 087177000000000
6.32 W of Cloquallum RD2000Culvert22 ft132Good
Park Entrance over Twanoh Creek
No. 086480000000000
Twanoh State Park2000Stringer/Multi-beam or Girder22 ft125Fair
Skokomish Valley R over Vance Creek
No. 081325000000000
6.19 M W SR 1011986Tee Beam140 ft110Good
Sunnyside Road over Unnamed Channel
No. 089387000000000
2.78M W SR1012023Culvert23 ft100Good
Beeville Loop RD over Dry Bed Creek
No. 083698000000000
0.58 W JCT Beeville RD1954Slab24 ft86Fair
Bear CR - Dewatto over Dewatto River
No. 087709000000000
9.56 W of Belfair HWY2008Slab33 ft79Good
No Data Entered over Brown Creek
No. 060901000001029
No Data Entered1969Frame90 ft75Good
No Data Entered over Cabin Creek
No. 060901000001048
No Data Entered1993Stringer/Multi-beam or Girder73 ft75Good
No Data Entered over Waketickeh Creek
No. 060901000003122
No Data Entered2000Stringer/Multi-beam or Girder125 ft75Good
Bourgault RD over Weaver Creek
No. 081851000000000
0.03 W JCT SR1011966Tee Beam49 ft73Fair
Old Olympic Highwa over Kennedy Creek
No. 084386000000000
0.40 S JCT SR 1011917Arch - Deck133 ft72Fair
Old Oly. Highway over Skookum Creek
No. 087991000000000
0.43 S JCT SR1012006Tee Beam83 ft72Good
Elfendahl Pass RD over Stimson Creek
No. 088578000000000
0.17 N JCT N. Shore RD2013Slab38 ft65Good
W. Bulb Farm Rd. over Cloquallum Creek
No. 081691000000000
0.35 S JCT Cloquallum RD1961Stringer/Multi-beam or Girder52 ft62Poor
No Data Entered over N Fk Skokomish River
No. 060901000001028
No Data Entered1929Arch - Deck687 ft50Fair
No Data Entered over S Fk Skokomish River
No. 060901000001032
No Data Entered1963Stringer/Multi-beam or Girder191 ft50Fair
No Data Entered over Church Creek
No. 060901000001035
No Data Entered1965Stringer/Multi-beam or Girder101 ft50Fair
No Data Entered over Mid Fork Satsop River
No. 060901000001036
No Data Entered1967Frame115 ft50Good
No Data Entered over Canyon River
No. 060901000001037
No Data Entered1951Stringer/Multi-beam or Girder163 ft50Fair
No Data Entered over Jefferson Creek
No. 060901000001045
No Data Entered1957Frame100 ft50Fair
No Data Entered over Rock Ck.
No. 060901000001055
No Data Entered1975Culvert23 ft50Fair
23610 over Cedar Creek
No. 060901000001171
No Data Entered1959Culvert22 ft50Fair
No Data Entered over Quitter Creek
No. 060901000001179
No Data Entered1959Culvert29 ft50Good
No Data Entered over Trib. to Canyon River
No. 060901000003095
No Data Entered2004Stringer/Multi-beam or Girder131 ft50Fair
No Data Entered over Snow Creek
No. 060902000035550
No Data Entered2010Culvert30 ft50Fair
Homer Adams Road over Deckerville Creek
No. 089263000000000
0.15 Mi. S Deckerville RD2021Culvert33 ft50Good
Plug Mill Road over Dry Run Creek
No. 086148000000000
0.05 N Satsop/Cloquallum1994Slab53 ft37Good
Bolling Road over Gosnell Creek
No. 087098000000000
0.23 S JCT Cloquallum RD2003Stringer/Multi-beam or Girder41 ft36Good
Beeville Loop over Rabbit Creek
No. 088237000000000
Beeville Loop2010Culvert25 ft32Good
No Data Entered over Hamma Hamma River
No. 060901000001046
No Data Entered1950Frame80 ft30Fair
No Data Entered over Walter Creek
No. 060901000001031
No Data Entered1967Frame105 ft25Good
No Data Entered over Lebar Creek
No. 060901000001033
No Data Entered1974Frame125 ft25Good
No Data Entered over Pine Creek
No. 060901000001034
No Data Entered1959Frame74 ft25Fair
No Data Entered over Lena Creek
No. 060901000001049
No Data Entered1964Frame70 ft25Poor
No Data Entered over Boulder Creek
No. 060901000001050
No Data Entered1965Slab60 ft25Fair
No Data Entered over Hamma Hamma River
No. 060901000001051
No Data Entered1968Stringer/Multi-beam or Girder171 ft25Good
Eich Road over Skookum Creek
No. 083320000000000
0.26 N JCT SR 1081968Slab30 ft22Fair
Eich Road over Little Skookum Creek
No. 087178000000000
0.15 N JCT SR 1082004Slab31 ft22Good
Beeville Road over Dry Bed Creek
No. 083692000000000
4 Miles N of Matlock1984Slab31 ft16Good
No Data Entered over Upper Canyon River
No. 060901000001025
No Data Entered1955Frame100 ft15Good
No Data Entered over Baker Creek
No. 060901000001030
No Data Entered1964Frame110 ft15Good
No Data Entered over Washington Creek
No. 060901000001042
No Data Entered1965Frame126 ft10Fair
No Data Entered over Jefferson Creek
No. 060901000001043
No Data Entered1975Stringer/Multi-beam or Girder80 ft10Good
No Data Entered over Jefferson Creek
No. 060901000001044
No Data Entered1986Slab36 ft10Good
Vance CR Loop over Fir Creek
No. 060901000013132
NFSR 23 to NFSR 22302010Slab56 ft10Good
No Data Entered over Lake Cushman (n Fk Skok)
No. 060901000001003
N.W. End of Lake Cushman1959Frame200 ft5Good
No Data Entered over Lake Cushman (n Fk Skok)
No. 060901000016350
N.W. End of Lake Cushman2011Stringer/Multi-beam or Girder31 ft5Good

Structure types in Mason County

Stringer/Multi-beam or Girder4230.9%
Slab3223.5%
Tee Beam2115.4%
Culvert2014.7%
Frame128.8%
Arch - Thru42.9%
Arch - Deck32.2%
Truss - Thru10.7%
Girder and Floorbeam System10.7%

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