US Bridges

English Grade RD over Trib.Tom Moore Sl./Skagi

FairPosted for load

Snohomish County, Washington · 0.5 S Skagit Co. · Structure no. 080026000000000

Built
1987
38 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
127 ft
7 main spans
Daily traffic
163
2020 count
Owner
County
County Highway Agency

About this bridge

English Grade RD over Trib.Tom Moore Sl./Skagi is a wood or timber stringer/multi-beam or girder carrying English Grade RD over Trib.Tom Moore Sl./Skagi in Snohomish County, Washington. It was built in 1987, so it is 38 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 163 vehicles a day, roughly 16% of them trucks, projected to reach 400 by 2042. The structure is 127 ft (38.6 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesEnglish Grade RD
CrossesTrib.Tom Moore Sl./Skagi
Location0.5 S Skagit Co.
RouteCounty Highway 76650
Coordinates48.29133, -122.27329
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating28 US tons
Inventory rating20 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans7
Design loadHS 15
Structure length127 ft (38.6 m)
Longest span20 ft (6.1 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic163 (2020)
Projected traffic400 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$4.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was English Grade RD over Trib.Tom Moore Sl./Skagi built?

It was built in 1987, making it 38 years old in 2025.

What condition is English Grade RD over Trib.Tom Moore Sl./Skagi in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does English Grade RD over Trib.Tom Moore Sl./Skagi carry?

About 163 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is English Grade RD over Trib.Tom Moore Sl./Skagi?

The structure is 127 ft (38.6 m) long with a longest span of 20 ft (6.1 m) and a deck 22 ft wide.

Who owns English Grade RD over Trib.Tom Moore Sl./Skagi?

It is owned by the County Highway Agency.