SH 105 over West San Jacinto River
GoodMontgomery County, Texas · 3.10 MI NW of Lp 336 · Structure no. 121700033803201
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 1,665 ft
- 1 main span
- Daily traffic
- 44,792
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SH 105 over West San Jacinto River is a prestressed concrete stringer/multi-beam or girder carrying SH 105 over West San Jacinto River in Montgomery County, Texas. It was built in 1994, so it is 31 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 44,792 vehicles a day, roughly 2% of them trucks, projected to reach 67,188 by 2042. The structure is 1,665 ft (507.5 m) long and 111 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| 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 West San Jacinto River built?
It was built in 1994, making it 31 years old in 2025.
What condition is SH 105 over West San Jacinto River 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 SH 105 over West San Jacinto River carry?
About 44,792 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is SH 105 over West San Jacinto River?
The structure is 1,665 ft (507.5 m) long with a longest span of 115 ft (35.1 m) and a deck 111 ft wide.
Who owns SH 105 over West San Jacinto River?
It is owned by the State Highway Agency.