US Bridges

Green Road over Thomas Creek

Fair

Skagit County, Washington · 0.01 S Kelleher RD · Structure no. 082204000000000

Built
1958
67 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
51 ft
2 main spans
Daily traffic
54
2022 count
Owner
County
County Highway Agency

About this bridge

Green Road over Thomas Creek is a concrete tee beam carrying Green Road over Thomas Creek in Skagit County, Washington. It was built in 1958, so it is 67 years old, older 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 54 vehicles a day, roughly 7% of them trucks, projected to reach 66 by 2042. The structure is 51 ft (15.5 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGreen Road
CrossesThomas Creek
Location0.01 S Kelleher RD
RouteCounty Highway 61410
CountySkagit County
StateWashington
Coordinates48.52503, -122.33479
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length51 ft (15.5 m)
Longest span25 ft (7.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54 (2022)
Projected traffic66 by 2042
Trucks7%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Green Road over Thomas Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Green Road over Thomas Creek 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 September 2024.

How much traffic does Green Road over Thomas Creek carry?

About 54 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Green Road over Thomas Creek?

The structure is 51 ft (15.5 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.

Who owns Green Road over Thomas Creek?

It is owned by the County Highway Agency.