SR1549 over Lanier Swamp
Martin County, North Carolina · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR1549 over Lanier Swamp in Martin County, North Carolina, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1955, making it 70 years old at the 2025 inventory.
- It carries about 200 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 62 of the 124 inventoried bridges in Martin County rated fair (50.0%); 4 (3.2%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: superstructure 5 to 7.
- Its most recent inspection on record is dated May 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (35.77199, -76.88769)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 7 | Good condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 51 ft |
| Location | 0.3 Mi E. of Jct SR1548 |
| NBI structure number | 000000001170031 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | U: unknown foundation, not evaluated for scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Carolina department of transportation.
Busiest bridges in Martin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US13 US64 over Back Swamp Branch | 1999 | 10,000 | Fair |
| US13 US64E over Fork of Collie Creek | 1999 | 9,800 | Good |
| US13 US64E over US64ALT | 1999 | 9,000 | Good |
| US13 US64 over Flat Swamp | 1999 | 9,000 | Good |
| US13/64E over NC903 | 1999 | 8,200 | Fair |
| US13 US64E over Ross Swamp | 1999 | 8,200 | Fair |
All bridges nearby: Martin County, NC bridge conditions · every bridge in Martin County · North Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.