Bridge conditions in Onslow County, North Carolina
172 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Onslow County tracks close to typical: 4 of its 172 inventoried bridges (2.3%) are rated poor, against a national rate of about 7%.
- 4 of the 172 bridges in Onslow County, North Carolina, are rated in poor condition (2.3%) in the 2025 National Bridge Inventory, as of .
- 96 bridges (55.8%) are rated good and 72 (41.9%) fair.
- The median Onslow County bridge was built in 2000.
- The busiest poor-rated bridge is US17 over Chaney Creek (built 1957), carrying about 20,000 vehicles a day.
Good 55.8% · Fair 41.9% · Poor 2.3% of 172 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US17 over Chaney Creek | 1957 | 20,000 | Poor |
| NC24W over Northeast Creek | 1942 | 18,250 | Poor |
| SR1109 over Harris Creek | 1962 | 870 | Poor |
| SR1333 over White Oak River | 1967 | 230 | Poor |
Busiest bridges in the 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 |
| NC24 over White Oak River | 2001 | 25,500 | Fair |
| US17 NC24 NC53 over New River | 2001 | 24,500 | Good |
| US17S NC24E NC53E over Military Trail | 2001 | 24,500 | Good |
| US17N NC24E NC53E over Military Trail | 2001 | 24,500 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of North Carolina: North Carolina bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.