US Bridges

Hamilton Cemetery over Muddy Creek

Good

Skagit County, Washington · 0.5 W JCT SR 20 · Structure no. 081283000000000

Built
1965
60 years old
Condition
Good
inspected May 2024
Type
Tee Beam
Concrete
Length
51 ft
2 main spans
Daily traffic
171
2020 count
Owner
County
County Highway Agency

About this bridge

Hamilton Cemetery over Muddy Creek is a concrete tee beam carrying Hamilton Cemetery over Muddy Creek in Skagit County, Washington. It was built in 1965, so it is 60 years old, older 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 171 vehicles a day, roughly 10% of them trucks, projected to reach 209 by 2040. The structure is 51 ft (15.6 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHamilton Cemetery
CrossesMuddy Creek
Location0.5 W JCT SR 20
RouteCounty Highway 94000
Coordinates48.53367, -121.9985
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length51 ft (15.6 m)
Longest span25 ft (7.5 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic171 (2020)
Projected traffic209 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$682,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hamilton Cemetery over Muddy Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Hamilton Cemetery over Muddy 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 May 2024.

How much traffic does Hamilton Cemetery over Muddy Creek carry?

About 171 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Hamilton Cemetery over Muddy Creek?

The structure is 51 ft (15.6 m) long with a longest span of 25 ft (7.5 m) and a deck 28 ft wide.

Who owns Hamilton Cemetery over Muddy Creek?

It is owned by the County Highway Agency.