SR4121 over I73
GoodGuilford County, North Carolina · 1.1 MI.E.JCT.SR1586 · Structure no. 000000000811123
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 209 ft
- 2 main spans
- Daily traffic
- 7,250
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SR4121 over I73 is a prestressed concrete continuous stringer/multi-beam or girder carrying SR4121 over I73 in Guilford County, North Carolina. It was built in 2016, so it is 9 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 7,250 vehicles a day, roughly 7% of them trucks, projected to reach 14,500 by 2040. The structure is 209 ft (63.7 m) long and 40 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR4121 over I73 built?
It was built in 2016, making it 9 years old in 2025.
What condition is SR4121 over I73 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 August 2024.
How much traffic does SR4121 over I73 carry?
About 7,250 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is SR4121 over I73?
The structure is 209 ft (63.7 m) long with a longest span of 101 ft (30.7 m) and a deck 40 ft wide.
Who owns SR4121 over I73?
It is owned by the State Highway Agency.