Lyman Hamilton HWY over Mannser Creek
FairPosted for loadSkagit County, Washington · 0.17 W JCT Hamil Cem RD · Structure no. 082092000000000
- Built
- 1954
- 71 years old
- Condition
- Fair
- inspected May 2024
- Type
- Slab
- Concrete Continuous
- Length
- 52 ft
- 3 main spans
- Daily traffic
- 260
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Lyman Hamilton HWY over Mannser Creek is a concrete continuous slab carrying Lyman Hamilton HWY over Mannser Creek in Skagit County, Washington. It was built in 1954, so it is 71 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. Its operating status is: posted for load restriction.
It carries about 260 vehicles a day, roughly 6% of them trucks, projected to reach 385 by 2040. The structure is 52 ft (15.8 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lyman Hamilton HWY over Mannser Creek built?
It was built in 1954, making it 71 years old in 2025.
What condition is Lyman Hamilton HWY over Mannser 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 May 2024.
How much traffic does Lyman Hamilton HWY over Mannser Creek carry?
About 260 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is Lyman Hamilton HWY over Mannser Creek?
The structure is 52 ft (15.8 m) long with a longest span of 18 ft (5.5 m) and a deck 30 ft wide.
Who owns Lyman Hamilton HWY over Mannser Creek?
It is owned by the County Highway Agency.