IH 20 WB over Trinity River
FairDallas County, Texas · 2.5 MI E of IH 45 · Structure no. 180570237403192
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 2,400 ft
- 3 main spans
- Daily traffic
- 69,471
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
IH 20 WB over Trinity River is a steel continuous stringer/multi-beam or girder carrying IH 20 WB over Trinity River in Dallas County, Texas. It was built in 1971, so it is 54 years old, older 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 69,471 vehicles a day, roughly 13% of them trucks, projected to reach 72,900 by 2033. The structure is 2,400 ft (731.5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IH 20 WB over Trinity River built?
It was built in 1971, making it 54 years old in 2025.
What condition is IH 20 WB over Trinity River 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 September 2023.
How much traffic does IH 20 WB over Trinity River carry?
About 69,471 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is IH 20 WB over Trinity River?
The structure is 2,400 ft (731.5 m) long with a longest span of 310 ft (94.5 m) and a deck 70 ft wide.
Who owns IH 20 WB over Trinity River?
It is owned by the State Highway Agency.