US Bridges

Beaver Creek Road over Beaver Creek

Good

Thurston County, Washington · 0.88 M from HWY 121 · Structure no. 088935000000000

Built
2017
8 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
430
2021 count
Owner
County
County Highway Agency

About this bridge

Beaver Creek Road over Beaver Creek is a steel stringer/multi-beam or girder carrying Beaver Creek Road over Beaver Creek in Thurston County, Washington. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 430 vehicles a day, projected to reach 665 by 2043. The structure is 40 ft (12.2 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBeaver Creek Road
CrossesBeaver Creek
Location0.88 M from HWY 121
RouteCounty Highway 10275
Coordinates46.89244, -122.92771
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2021)
Projected traffic665 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$418,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Beaver Creek Road over Beaver Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Beaver Creek Road over Beaver 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 August 2023.

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

About 430 vehicles per day (2021 count).

How long is Beaver Creek Road over Beaver Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 20 ft wide.

Who owns Beaver Creek Road over Beaver Creek?

It is owned by the County Highway Agency.