IH 45 over Drainage Ditch
GoodGalveston County, Texas · 1.10 MI SE of FM 519 · Structure no. 120850050004322
- Built
- 1948
- 77 years old, rebuilt 1980
- Condition
- Good
- inspected September 2024
- Type
- Culvert
- Concrete
- Length
- 38 ft
- 5 main spans
- Daily traffic
- 40,876
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
IH 45 over Drainage Ditch is a concrete culvert carrying IH 45 over Drainage Ditch in Galveston County, Texas. It was built in 1948 and reconstructed in 1980, so it is 77 years old, older 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 40,876 vehicles a day, roughly 4% of them trucks, projected to reach 63,660 by 2033. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IH 45 over Drainage Ditch built?
It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1980.
What condition is IH 45 over Drainage Ditch 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 September 2024.
How much traffic does IH 45 over Drainage Ditch carry?
About 40,876 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is IH 45 over Drainage Ditch?
The structure is 38 ft (11.6 m) long with a longest span of 5 ft (1.5 m).
Who owns IH 45 over Drainage Ditch?
It is owned by the State Highway Agency.