US Bridges

SE 4th Pl over Kelsey Creek

Good

King County, Washington · Kelsey Ck Park Enterance · Structure no. 089508000000000

Built
2008
17 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
42 ft
1 main span
Daily traffic
100
2024 count
Owner
Local
Local Park, Forest, or Reservation Agency

About this bridge

SE 4th Pl over Kelsey Creek is a wood or timber stringer/multi-beam or girder carrying SE 4th Pl over Kelsey Creek in King County, Washington. It was built in 2008, so it is 17 years old, younger 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 100 vehicles a day, projected to reach 105 by 2044. The structure is 42 ft (12.9 m) long and 23 ft wide.

Location

No coordinates are recorded for this structure.

CarriesSE 4th Pl
CrossesKelsey Creek
LocationKelsey Ck Park Enterance
RouteCity Street 0
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length42 ft (12.9 m)
Longest span39 ft (11.9 m)
Deck width23 ft (6.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic105 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerLocal Park, Forest, or Reservation Agency
Maintained byLocal Park, Forest, or Reservation Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SE 4th Pl over Kelsey Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is SE 4th Pl over Kelsey 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 May 2024.

How much traffic does SE 4th Pl over Kelsey Creek carry?

About 100 vehicles per day (2024 count).

How long is SE 4th Pl over Kelsey Creek?

The structure is 42 ft (12.9 m) long with a longest span of 39 ft (11.9 m) and a deck 23 ft wide.

Who owns SE 4th Pl over Kelsey Creek?

It is owned by the Local Park, Forest, or Reservation Agency.