IH 45 SB over SH 242
FairMontgomery County, Texas · 2.1 MI S of FM 1488 · Structure no. 121700011004135
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 350 ft
- 4 main spans
- Daily traffic
- 170,688
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
IH 45 SB over SH 242 is a prestressed concrete stringer/multi-beam or girder carrying IH 45 SB over SH 242 in Montgomery County, Texas. It was built in 1991, so it is 34 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 170,688 vehicles a day, roughly 11% of them trucks, projected to reach 238,963 by 2043. The structure is 350 ft (106.7 m) long and 73 ft wide. If it were closed, the detour would be 1.9 mi (3 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IH 45 SB over SH 242 built?
It was built in 1991, making it 34 years old in 2025.
What condition is IH 45 SB over SH 242 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 August 2024.
How much traffic does IH 45 SB over SH 242 carry?
About 170,688 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is IH 45 SB over SH 242?
The structure is 350 ft (106.7 m) long with a longest span of 90 ft (27.4 m) and a deck 73 ft wide.
Who owns IH 45 SB over SH 242?
It is owned by the State Highway Agency.