SP 366 Conn over US 75
GoodDallas County, Texas · US 75 & SP 366 Intrchange · Structure no. 180570004707309
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 1,197 ft
- 4 main spans
- Daily traffic
- 9,674
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SP 366 Conn over US 75 is a steel continuous stringer/multi-beam or girder carrying SP 366 Conn over US 75 in Dallas County, Texas. It was built in 1998, so it is 27 years old, younger than the Texas average of 44.4 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 9,674 vehicles a day, roughly 2% of them trucks, projected to reach 100,240 by 2038. The structure is 1,197 ft (364.8 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SP 366 Conn over US 75 built?
It was built in 1998, making it 27 years old in 2025.
What condition is SP 366 Conn over US 75 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 2024.
How much traffic does SP 366 Conn over US 75 carry?
About 9,674 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is SP 366 Conn over US 75?
The structure is 1,197 ft (364.8 m) long with a longest span of 161 ft (49.1 m) and a deck 28 ft wide.
Who owns SP 366 Conn over US 75?
It is owned by the State Highway Agency.