US Bridges

NW Anderson Hill R over Anderson Creek

Good

Kitsap County, Washington · 1.0 E JCT Seabeck HWY NW · Structure no. 086843000000000

Built
2002
23 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
127 ft
1 main span
Daily traffic
5,136
2023 count
Owner
County
County Highway Agency

About this bridge

NW Anderson Hill R over Anderson Creek is a prestressed concrete stringer/multi-beam or girder carrying NW Anderson Hill R over Anderson Creek in Kitsap County, Washington. It was built in 2002, so it is 23 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 5,136 vehicles a day, roughly 13% of them trucks, projected to reach 5,650 by 2043. The structure is 127 ft (38.7 m) long and 39 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesNW Anderson Hill R
CrossesAnderson Creek
Location1.0 E JCT Seabeck HWY NW
RouteCounty Highway 13549
Coordinates47.66006, -122.75633
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
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 rating106.8 US tons
Inventory rating76.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length127 ft (38.7 m)
Longest span121 ft (36.9 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,136 (2023)
Projected traffic5,650 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NW Anderson Hill R over Anderson Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is NW Anderson Hill R over Anderson 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 July 2024.

How much traffic does NW Anderson Hill R over Anderson Creek carry?

About 5,136 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is NW Anderson Hill R over Anderson Creek?

The structure is 127 ft (38.7 m) long with a longest span of 121 ft (36.9 m) and a deck 39 ft wide.

Who owns NW Anderson Hill R over Anderson Creek?

It is owned by the County Highway Agency.