US Bridges

Denmark Road over Parke Creek

Fair

Kittitas County, Washington · 00.52 S Tjossem RD · Structure no. 081747000000000

Built
1938
87 years old, rebuilt 1959
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
26 ft
1 main span
Daily traffic
311
2023 count
Owner
County
County Highway Agency

About this bridge

Denmark Road over Parke Creek is a concrete continuous stringer/multi-beam or girder carrying Denmark Road over Parke Creek in Kittitas County, Washington. It was built in 1938 and reconstructed in 1959, so it is 87 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 311 vehicles a day, roughly 17% of them trucks, projected to reach 824 by 2043. The structure is 26 ft (7.9 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesDenmark Road
CrossesParke Creek
Location00.52 S Tjossem RD
RouteCounty Highway 63501
CountyKittitas County
StateWashington
Coordinates46.95638, -120.43489
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.9 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete Continuous
DeckOther
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic311 (2023)
Projected traffic824 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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$1.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Denmark Road over Parke Creek built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1959.

What condition is Denmark Road over Parke 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 November 2024.

How much traffic does Denmark Road over Parke Creek carry?

About 311 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Denmark Road over Parke Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns Denmark Road over Parke Creek?

It is owned by the County Highway Agency.