IH 45 over Tidal Interchange
GoodGalveston County, Texas · 0.80 MI SE of SH 6 · Structure no. 120850050001286
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 85 ft
- 1 main span
- Daily traffic
- 71,141
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
IH 45 over Tidal Interchange is a prestressed concrete stringer/multi-beam or girder carrying IH 45 over Tidal Interchange in Galveston County, Texas. It was built in 1987, so it is 38 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 71,141 vehicles a day, roughly 5% of them trucks, projected to reach 99,597 by 2042. The structure is 85 ft (25.9 m) long and 129 ft wide.
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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IH 45 over Tidal Interchange built?
It was built in 1987, making it 38 years old in 2025.
What condition is IH 45 over Tidal Interchange 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 IH 45 over Tidal Interchange carry?
About 71,141 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is IH 45 over Tidal Interchange?
The structure is 85 ft (25.9 m) long with a longest span of 85 ft (25.9 m) and a deck 129 ft wide.
Who owns IH 45 over Tidal Interchange?
It is owned by the State Highway Agency.