I-840 over SR3300
GoodGuilford County, North Carolina · 1.3 MI W JCT SR2523 · Structure no. 000000000811247
- Built
- 2023
- 2 years old
- Condition
- Good
- inspected May 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 111 ft
- 1 main span
- Daily traffic
- 31,580
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
I-840 over SR3300 is a prestressed concrete slab carrying I-840 over SR3300 in Guilford County, North Carolina. It was built in 2023, so it is 2 years old, younger than the North Carolina average of 38.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 31,580 vehicles a day, roughly 12% of them trucks, projected to reach 63,160 by 2040. The structure is 111 ft (33.8 m) long and 70 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-840 over SR3300 built?
It was built in 2023, making it 2 years old in 2025.
What condition is I-840 over SR3300 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.
How much traffic does I-840 over SR3300 carry?
About 31,580 vehicles per day (2018 count), of which roughly 12% are trucks.
How long is I-840 over SR3300?
The structure is 111 ft (33.8 m) long with a longest span of 107 ft (32.6 m) and a deck 70 ft wide.
Who owns I-840 over SR3300?
It is owned by the State Highway Agency.