NC133 over Intracoastal Waterway
Brunswick County, North Carolina · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- NC133 over Intracoastal Waterway in Brunswick County, North Carolina, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1972, making it 53 years old at the 2025 inventory.
- It carries about 15,000 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 84 of the 168 inventoried bridges in Brunswick County rated fair (50.0%); 15 (8.9%) 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 October 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 → (33.91943, -78.07264)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 4,249 ft |
| Location | 0.9 Mi N. of Jct SR1104 |
| NBI structure number | 000000000190014 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 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 Brunswick County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US17 US74/76 NC133 over Brunswick River | 2016 | 69,000 | Good |
| US17 74 76S NC133 over Alligator Creek | 1968 | 69,000 | Fair |
| US17 US74 US76 over NC133 SR1472 | 1975 | 67,500 | Fair |
| US17/US74/76 over SR1472 | 1975 | 67,500 | Fair |
| US17 over US74 & US76 | 1973 | 51,000 | Fair |
| US17 74 76N over Alligator Creek | 2016 | 36,250 | Good |
All bridges nearby: Brunswick County, NC bridge conditions · every bridge in Brunswick County · North Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.