US Bridges

Norvydan RD over Taylor Creek

Good

King County, Washington · 0.01 MI N of SR-18 · Structure no. 0016611E0000000

Built
2005
20 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
105 ft
1 main span
Daily traffic
1,600
2019 count
Owner
County
County Highway Agency

About this bridge

Norvydan RD over Taylor Creek is a prestressed concrete stringer/multi-beam or girder carrying Norvydan RD over Taylor Creek in King County, Washington. It was built in 2005, so it is 20 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 1,600 vehicles a day, roughly 2% of them trucks, projected to reach 2,000 by 2042. The structure is 105 ft (32 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNorvydan RD
CrossesTaylor Creek
Location0.01 MI N of SR-18
RouteCounty Highway 82321
Coordinates47.40914, -122.03734
Functional classRural 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating49.3 US tons
Inventory rating36.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length105 ft (32 m)
Longest span100 ft (30.5 m)
Deck width39 ft (12 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2019)
Projected traffic2,000 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Norvydan RD over Taylor Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Norvydan RD over Taylor 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 October 2024.

How much traffic does Norvydan RD over Taylor Creek carry?

About 1,600 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Norvydan RD over Taylor Creek?

The structure is 105 ft (32 m) long with a longest span of 100 ft (30.5 m) and a deck 39 ft wide.

Who owns Norvydan RD over Taylor Creek?

It is owned by the County Highway Agency.