Spur 366 WB over IH 35E & Dart Railway
FairDallas County, Texas · At Spur 366 Interchange · Structure no. 180570019603216
- Built
- 1981
- 44 years old, rebuilt 2010
- Condition
- Fair
- inspected March 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 3,221 ft
- 28 main spans
- Daily traffic
- 79,000
- 2012 count
- Owner
- State
- State Highway Agency
About this bridge
Spur 366 WB over IH 35E & Dart Railway is a prestressed concrete stringer/multi-beam or girder carrying Spur 366 WB over IH 35E & Dart Railway in Dallas County, Texas. It was built in 1981 and reconstructed in 2010, so it is 44 years old, younger than the Texas average of 44.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 79,000 vehicles a day, roughly 2% of them trucks, projected to reach 141,270 by 2032. The structure is 3,221 ft (981.8 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Spur 366 WB over IH 35E & Dart Railway built?
It was built in 1981, making it 44 years old in 2025. It was reconstructed in 2010.
What condition is Spur 366 WB over IH 35E & Dart Railway in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2022.
How much traffic does Spur 366 WB over IH 35E & Dart Railway carry?
About 79,000 vehicles per day (2012 count), of which roughly 2% are trucks.
How long is Spur 366 WB over IH 35E & Dart Railway?
The structure is 3,221 ft (981.8 m) long with a longest span of 134 ft (40.8 m) and a deck 70 ft wide.
Who owns Spur 366 WB over IH 35E & Dart Railway?
It is owned by the State Highway Agency.