US70 over Bawdy Swamp
Johnston County, North Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US70 over Bawdy Swamp in Johnston County, North Carolina, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1990, making it 35 years old at the 2025 inventory.
- It carries about 35,500 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 147 of the 322 inventoried bridges in Johnston County rated good (45.7%); 12 (3.7%) 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 → (35.49234, -78.2724)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 20 ft |
| Location | 0.2 Mi.w. JCT.SR2308 |
| NBI structure number | 000000001010511 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Carolina department of transportation.
Busiest bridges in Johnston County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I95 over Hannah Creek | 1970 | 65,000 | Fair |
| I95 over Mingo Swamp | 1970 | 59,000 | Fair |
| I40 over Pole Branch | 1988 | 48,000 | Fair |
| I95N over Neuse River | 1957 | 42,000 | Fair |
| I95 Sbl over Neuse River | 1955 | 42,000 | Fair |
| I40 over Pole Branch | 1987 | 41,500 | Good |
All bridges nearby: Johnston County, NC bridge conditions · every bridge in Johnston County · North Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.