IH45 SB / NASA1 EB over IH 45
GoodHarris County, Texas · 0.4 MI SE of FM 528 · Structure no. 121020050003159
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 2,513 ft
- 5 main spans
- Daily traffic
- 23,712
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
IH45 SB / NASA1 EB over IH 45 is a steel continuous stringer/multi-beam or girder carrying IH45 SB / NASA1 EB over IH 45 in Harris County, Texas. It was built in 2009, so it is 16 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 23,712 vehicles a day, roughly 8% of them trucks, projected to reach 29,640 by 2042. The structure is 2,513 ft (766 m) long and 29 ft wide. 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 |
|---|---|---|
| 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 IH45 SB / NASA1 EB over IH 45 built?
It was built in 2009, making it 16 years old in 2025.
What condition is IH45 SB / NASA1 EB over IH 45 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 November 2024.
How much traffic does IH45 SB / NASA1 EB over IH 45 carry?
About 23,712 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is IH45 SB / NASA1 EB over IH 45?
The structure is 2,513 ft (766 m) long with a longest span of 317 ft (96.6 m) and a deck 29 ft wide.
Who owns IH45 SB / NASA1 EB over IH 45?
It is owned by the State Highway Agency.