US Bridges

Trails Road over Sherwood Creek

Good

Mason County, Washington · 3.34 SW of SR 106 · Structure no. 089541000000000

Built
1995
30 years old
Condition
Good
inspected January 2025
Type
Culvert
Steel
Length
47 ft
5 main spans
Daily traffic
1,050
2024 count
Owner
County
County Highway Agency

About this bridge

Trails Road over Sherwood Creek is a steel culvert carrying Trails Road over Sherwood Creek in Mason County, Washington. It was built in 1995, so it is 30 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 1,050 vehicles a day, projected to reach 1,400 by 2045. The structure is 47 ft (14.2 m) long and 39 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesTrails Road
CrossesSherwood Creek
Location3.34 SW of SR 106
RouteCounty Highway 62310
CountyMason County
StateWashington
Coordinates47.35429, -122.91369
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadUnknown
Structure length47 ft (14.2 m)
Longest span47 ft (14.2 m)
Deck width39 ft (11.8 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deck2 ft (0.8 m)

Traffic and service

Average daily traffic1,050 (2024)
Projected traffic1,400 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Trails Road over Sherwood Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Trails Road over Sherwood 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 January 2025.

How much traffic does Trails Road over Sherwood Creek carry?

About 1,050 vehicles per day (2024 count).

How long is Trails Road over Sherwood Creek?

The structure is 47 ft (14.2 m) long with a longest span of 47 ft (14.2 m) and a deck 39 ft wide.

Who owns Trails Road over Sherwood Creek?

It is owned by the County Highway Agency.