US Bridges

Parke Creek Road over Parke Creek

Good

Kittitas County, Washington · 0.04 E Koffman RD · Structure no. 086231000000000

Built
1974
51 years old
Condition
Good
inspected November 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
25 ft
1 main span
Daily traffic
692
2023 count
Owner
County
County Highway Agency

About this bridge

Parke Creek Road over Parke Creek is a aluminum, wrought iron, or cast iron culvert carrying Parke Creek Road over Parke Creek in Kittitas County, Washington. It was built in 1974, so it is 51 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 692 vehicles a day, roughly 33% of them trucks, projected to reach 782 by 2039. The structure is 25 ft (7.6 m) long and 36 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesParke Creek Road
CrossesParke Creek
Location0.04 E Koffman RD
RouteCounty Highway 69370
Coordinates46.98505, -120.34254
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width36 ft (11.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic692 (2023)
Projected traffic782 by 2039
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Parke Creek Road over Parke Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Parke Creek Road over Parke Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Parke Creek Road over Parke Creek carry?

About 692 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is Parke Creek Road over Parke Creek?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m) and a deck 36 ft wide.

Who owns Parke Creek Road over Parke Creek?

It is owned by the County Highway Agency.