US70 over Smyrna Creek
Carteret County, North Carolina · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US70 over Smyrna Creek in Carteret 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 1977, making it 48 years old at the 2025 inventory.
- It carries about 2,700 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 28 of the 56 inventoried bridges in Carteret County rated fair (50.0%); 2 (3.6%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated April 2023, 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 → (34.80647, -76.48153)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 172 ft |
| Location | 15.8 MI.E.JCT.NC101 |
| NBI structure number | 000000000310038 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Carolina department of transportation.
Busiest bridges in Carteret County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| NC24 over Broad Creek | 1993 | 23,500 | Good |
| NC24 over Gales Creek | 1993 | 19,500 | Good |
| NC58 over Intracostal Wtrwy. | 1971 | 18,000 | Poor |
| US70 over Newport River | 1964 | 18,000 | Fair |
| SR1182 over Bogue Sound & Icw | 1987 | 15,000 | Fair |
| US70E over Newport River | 1965 | 13,000 | Fair |
All bridges nearby: Carteret County, NC bridge conditions · every bridge in Carteret County · North Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.