SR1157 over Flat Swamp
GoodMartin County, North Carolina · 1.1 MI W JCT NC903 · Structure no. 000000001170110
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected February 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 80 ft
- 2 main spans
- Daily traffic
- 150
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
SR1157 over Flat Swamp is a prestressed concrete slab carrying SR1157 over Flat Swamp in Martin County, North Carolina. It was built in 2013, so it is 12 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 150 vehicles a day, roughly 6% of them trucks, projected to reach 300 by 2040. The structure is 80 ft (24.3 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR1157 over Flat Swamp built?
It was built in 2013, making it 12 years old in 2025.
What condition is SR1157 over Flat 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 February 2024.
How much traffic does SR1157 over Flat Swamp carry?
About 150 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is SR1157 over Flat Swamp?
The structure is 80 ft (24.3 m) long with a longest span of 54 ft (16.4 m) and a deck 30 ft wide.
Who owns SR1157 over Flat Swamp?
It is owned by the State Highway Agency.