Delameter RD over Monahan Creek
GoodCowlitz County, Washington · 2.74 W SR411 (MP11.33) · Structure no. 087281000000000
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected September 2023
- Type
- Culvert
- Steel
- Length
- 32 ft
- 1 main span
- Daily traffic
- 750
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Delameter RD over Monahan Creek is a steel culvert carrying Delameter RD over Monahan Creek in Cowlitz County, Washington. It was built in 2003, so it is 22 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 750 vehicles a day, roughly 36% of them trucks, projected to reach 1,040 by 2040. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Delameter RD over Monahan Creek built?
It was built in 2003, making it 22 years old in 2025.
What condition is Delameter RD over Monahan 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 September 2023.
How much traffic does Delameter RD over Monahan Creek carry?
About 750 vehicles per day (2020 count), of which roughly 36% are trucks.
How long is Delameter RD over Monahan Creek?
The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m).
Who owns Delameter RD over Monahan Creek?
It is owned by the County Highway Agency.