NC540 N&sbl over NC55 Byp
Wake County, North Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- NC540 N&sbl over NC55 Byp in Wake County, North Carolina, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2012, making it 13 years old at the 2025 inventory.
- It carries about 6,500 vehicles a day (traffic count year 2020).
- It is one of 458 of the 800 inventoried bridges in Wake County rated good (57.2%); 42 (5.2%) 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 → (35.68804, -78.83999)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 145 ft |
| Location | 1.2MI.S.INT SR1153 &NC540 |
| NBI structure number | 000000001831277 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Carolina department of transportation.
Busiest bridges in Wake County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I40 Wbl over Crabtree Creek | 1969 | 133,000 | Fair |
| I40 Wbl over SR1728 | 1981 | 133,000 | Good |
| I440 over SR1676(LAKE Boone Trail) | 1960 | 120,000 | Fair |
| I440 over US70 | 1960 | 120,000 | Fair |
| I-40 over Stirrup Iron Creek | 1969 | 120,000 | Fair |
| I40 over Big Branch Creek | 1986 | 119,000 | Fair |
All bridges nearby: Wake County, NC bridge conditions · every bridge in Wake County · North Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.