SH 105 over Lake Conroe Creek
FairMontgomery County, Texas · 6.50 MI SE of FM 149 · Structure no. 121700033803100
- Built
- 1972
- 53 years old, rebuilt 1994
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Concrete
- Length
- 101 ft
- 3 main spans
- Daily traffic
- 40,249
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SH 105 over Lake Conroe Creek is a concrete stringer/multi-beam or girder carrying SH 105 over Lake Conroe Creek in Montgomery County, Texas. It was built in 1972 and reconstructed in 1994, so it is 53 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 40,249 vehicles a day, roughly 3% of them trucks, projected to reach 57,154 by 2042. The structure is 101 ft (30.8 m) long and 111 ft wide. If it were closed, the detour would be 5 mi (8 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 SH 105 over Lake Conroe Creek built?
It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1994.
What condition is SH 105 over Lake Conroe Creek 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 SH 105 over Lake Conroe Creek carry?
About 40,249 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is SH 105 over Lake Conroe Creek?
The structure is 101 ft (30.8 m) long with a longest span of 40 ft (12.2 m) and a deck 111 ft wide.
Who owns SH 105 over Lake Conroe Creek?
It is owned by the State Highway Agency.