US Bridges

SR 105 over Oleary Creek

Fair

Grays Harbor County, Washington · 9.5 N JCT SR 105 SP · Structure no. 0004564B0000000

Built
1953
72 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
116 ft
6 main spans
Daily traffic
6,124
2023 count
Owner
State
State Highway Agency

About this bridge

SR 105 over Oleary Creek is a wood or timber stringer/multi-beam or girder carrying SR 105 over Oleary Creek in Grays Harbor County, Washington. It was built in 1953, so it is 72 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,124 vehicles a day, roughly 6% of them trucks, projected to reach 7,343 by 2039. The structure is 116 ft (35.4 m) long and 32 ft wide. If it were closed, the detour would be 70.8 mi (114 km).

Location

Open in Google Maps
CarriesSR 105
CrossesOleary Creek
Location9.5 N JCT SR 105 SP
RouteState Highway 105
CountyGrays Harbor County
StateWashington
Coordinates46.91764, -123.95831
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans6
Design loadH 15
Structure length116 ft (35.4 m)
Longest span19 ft (5.8 m)
Deck width32 ft (9.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,124 (2023)
Projected traffic7,343 by 2039
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed70.8 mi (114 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 105 over Oleary Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is SR 105 over Oleary Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does SR 105 over Oleary Creek carry?

About 6,124 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 105 over Oleary Creek?

The structure is 116 ft (35.4 m) long with a longest span of 19 ft (5.8 m) and a deck 32 ft wide.

Who owns SR 105 over Oleary Creek?

It is owned by the State Highway Agency.