SH 146 SB over Dickinson Bayou
GoodGalveston County, Texas · 0.80 MI SE of FM 517 · Structure no. 120850038906117
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 2,875 ft
- 27 main spans
- Daily traffic
- 10,900
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
SH 146 SB over Dickinson Bayou is a prestressed concrete stringer/multi-beam or girder carrying SH 146 SB over Dickinson Bayou in Galveston 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 10,900 vehicles a day, roughly 8% of them trucks, projected to reach 13,200 by 2033. The structure is 2,875 ft (876.3 m) long and 40 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 146 SB over Dickinson Bayou built?
It was built in 2009, making it 16 years old in 2025.
What condition is SH 146 SB over Dickinson Bayou 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 146 SB over Dickinson Bayou carry?
About 10,900 vehicles per day (2019 count), of which roughly 8% are trucks.
How long is SH 146 SB over Dickinson Bayou?
The structure is 2,875 ft (876.3 m) long with a longest span of 113 ft (34.4 m) and a deck 40 ft wide.
Who owns SH 146 SB over Dickinson Bayou?
It is owned by the State Highway Agency.