SR1146 over I40 I85
Orange County, North Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR1146 over I40 I85 in Orange 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 1994, making it 31 years old at the 2025 inventory.
- It carries about 2,900 vehicles a day (traffic count year 2019).
- Its listed owner is the state highway agency.
- It is one of 75 of the 189 inventoried bridges in Orange County rated good (39.7%); 16 (8.5%) 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 June 2021, on a 48-month routine inspection cycle.
- 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 → (36.07771, -79.24376)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 236 ft |
| Location | 0.05 Mi. E. Jct. SR1374 |
| NBI structure number | 000000001350021 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2021 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Carolina department of transportation.
Busiest bridges in Orange County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I40 & I85 over SR1120 | 1996 | 115,000 | Good |
| I40 I85 over Sevenmile Creek | 1957 | 95,000 | Fair |
| I40 over New Hope Creek | 1986 | 59,000 | Fair |
| I40 & I85 Ebl over SR1239 | 1996 | 57,500 | Good |
| I40 & I85 Wbl over SR1239 I-85 Conn | 1996 | 57,500 | Good |
| I40E.RAMP over I40E I85N/NC86S I85S | 1987 | 50,500 | Fair |
All bridges nearby: Orange County, NC bridge conditions · every bridge in Orange County · North Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.