SR1504 over Dunn Swamp
GoodColumbus County, North Carolina · 0.4 MI E JCT NC242 · Structure no. 000000000470178
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected August 2024
- Type
- Culvert
- Steel
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 800
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SR1504 over Dunn Swamp is a steel culvert carrying SR1504 over Dunn Swamp in Columbus County, North Carolina. It was built in 2005, so it is 20 years old, younger than the North Carolina average of 38.7 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 800 vehicles a day, roughly 6% of them trucks, projected to reach 1,600 by 2040. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 2.5 mi (4 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 | 7 Good | Some minor problems. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR1504 over Dunn Swamp built?
It was built in 2005, making it 20 years old in 2025.
What condition is SR1504 over Dunn Swamp 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 August 2024.
How much traffic does SR1504 over Dunn Swamp carry?
About 800 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is SR1504 over Dunn Swamp?
The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.6 m).
Who owns SR1504 over Dunn Swamp?
It is owned by the State Highway Agency.