US Bridges

Kelly RD NE over Cherry Creek

Fair

King County, Washington · 5.2 MI E of SR-203 · Structure no. 082098000000000

Built
1947
78 years old, rebuilt 2004
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
72 ft
3 main spans
Daily traffic
1,561
2018 count
Owner
County
County Highway Agency

About this bridge

Kelly RD NE over Cherry Creek is a wood or timber stringer/multi-beam or girder carrying Kelly RD NE over Cherry Creek in King County, Washington. It was built in 1947 and reconstructed in 2004, so it is 78 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 1,561 vehicles a day, roughly 3% of them trucks, projected to reach 2,200 by 2039. The structure is 72 ft (21.9 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesKelly RD NE
CrossesCherry Creek
Location5.2 MI E of SR-203
RouteCounty Highway 98950
Coordinates47.74314, -121.90617
Functional classRural Minor 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.
Superstructure8 Very GoodNo problems noted.
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating37 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 15
Structure length72 ft (21.9 m)
Longest span36 ft (11 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,561 (2018)
Projected traffic2,200 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$958,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Kelly RD NE over Cherry Creek built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 2004.

What condition is Kelly RD NE over Cherry 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 Kelly RD NE over Cherry Creek carry?

About 1,561 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Kelly RD NE over Cherry Creek?

The structure is 72 ft (21.9 m) long with a longest span of 36 ft (11 m) and a deck 28 ft wide.

Who owns Kelly RD NE over Cherry Creek?

It is owned by the County Highway Agency.