SR1509 over Parrot Swamp
Onslow County, North Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR1509 over Parrot Swamp in Onslow County, North Carolina, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2005, making it 20 years old at the 2025 inventory.
- It carries about 9,000 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 96 of the 172 inventoried bridges in Onslow County rated good (55.8%); 4 (2.3%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (34.66904, -77.18759)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 59 ft |
| Location | 0.1 Mi N. of Jct SR1501 |
| NBI structure number | 000000001330091 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Carolina department of transportation.
Busiest bridges in Onslow County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US17 over Edwards Creek | 2001 | 49,000 | Good |
| Base Entry Rd over NC24 | 2014 | 35,000 | Good |
| US17BYP over Scales Creek | 2006 | 31,500 | Fair |
| US258 NC24 over Blue Creek | 1982 | 29,000 | Fair |
| US17BUS NC24BUS over New River | 2012 | 27,000 | Good |
| NC24 over White Oak River | 2001 | 26,500 | Fair |
All bridges nearby: Onslow County, NC bridge conditions · every bridge in Onslow County · North Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.