Bridge conditions in Durham County, North Carolina
313 inventoried bridges · 10 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
10 of the 313 bridges the federal inventory lists in Durham County are rated poor; the rest split 113 good and 190 fair.
- 10 of the 313 bridges in Durham County, North Carolina, are rated in poor condition (3.2%) in the 2025 National Bridge Inventory, as of .
- 113 bridges (36.1%) are rated good and 190 (60.7%) fair.
- The median Durham County bridge was built in 1985.
- The busiest poor-rated bridge is US15/US501NBL over SR1308 (built 1956), carrying about 51,000 vehicles a day.
Good 36.1% · Fair 60.7% · Poor 3.2% of 313 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 |
|---|---|---|---|
| US15/US501NBL over SR1308 | 1956 | 51,000 | Poor |
| US501 over Eno River | 1967 | 30,000 | Poor |
| I85NBL US15N over Neuse River/falls Lake | 1969 | 21,250 | Poor |
| I85S US15S over Neuse River/falls Lake | 1969 | 21,250 | Poor |
| SR1110 over Little Creek | 1979 | 13,000 | Poor |
| SR1969 over Stirrup Iron Creek | 1980 | 6,600 | Poor |
| SR1303 over Sandy Creek Overflow | 1981 | 6,400 | Poor |
| Pettigrew Street over Campus Drive | 1950 | 4,000 | Poor |
| SR1103 over Crooked Creek | 1953 | 2,000 | Poor |
| SR1811 over Chunky Pipe Creek | 1980 | 1,900 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I40 over SR1973 | 1995 | 147,000 | Fair |
| I40 Wbl over NC55 | 1985 | 107,000 | Fair |
| I85 & US15 over Ellerbee Creek | 1960 | 104,000 | Fair |
| I40 over Northeast Creek | 1985 | 101,000 | Fair |
| I85N over NC55 | 2005 | 80,000 | Good |
| I85 US15 US70 over SR1671 | 2001 | 80,000 | Good |
| I85 US15 over Norfolk & Western RR | 2001 | 80,000 | Good |
| NC147 Sbl over Bacon Street | 1970 | 73,500 | Fair |
| NC147 Nbl over Bacon Street | 1970 | 73,500 | Fair |
| NC147W over SR1171 | 1970 | 73,500 | Fair |
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.