US Bridges

Hawks Prairie Road over Woodland Creek

Fair

Thurston County, Washington · 150 Ft S Johnson Point RD · Structure no. 084432000000000

Built
1955
70 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
61 ft
2 main spans
Daily traffic
5,737
2021 count
Owner
County
County Highway Agency

About this bridge

Hawks Prairie Road over Woodland Creek is a steel continuous stringer/multi-beam or girder carrying Hawks Prairie Road over Woodland Creek in Thurston County, Washington. It was built in 1955, so it is 70 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 5 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 5,737 vehicles a day, roughly 15% of them trucks, projected to reach 8,869 by 2041. The structure is 61 ft (18.6 m) long and 26 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesHawks Prairie Road
CrossesWoodland Creek
Location150 Ft S Johnson Point RD
RouteCounty Highway 12085
CountyThurston County
StateWashington
Coordinates47.0902, -122.82247
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating99 US tons
Inventory rating80 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span30 ft (9.1 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,737 (2021)
Projected traffic8,869 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hawks Prairie Road over Woodland Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Hawks Prairie Road over Woodland 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 April 2024.

How much traffic does Hawks Prairie Road over Woodland Creek carry?

About 5,737 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Hawks Prairie Road over Woodland Creek?

The structure is 61 ft (18.6 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns Hawks Prairie Road over Woodland Creek?

It is owned by the County Highway Agency.