RM 620 over Drain
FairWilliamson County, Texas · 1.8 MI W of IH 35 · Structure no. 142460068301076
- Built
- 2005
- 20 years old, rebuilt 2013
- Condition
- Fair
- inspected January 2023
- Type
- Culvert
- Concrete
- Length
- 44 ft
- 5 main spans
- Daily traffic
- 42,058
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
RM 620 over Drain is a concrete culvert carrying RM 620 over Drain in Williamson County, Texas. It was built in 2005 and reconstructed in 2013, so it is 20 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 42,058 vehicles a day, roughly 5% of them trucks, projected to reach 62,246 by 2041. The structure is 44 ft (13.4 m) long and 152 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was RM 620 over Drain built?
It was built in 2005, making it 20 years old in 2025. It was reconstructed in 2013.
What condition is RM 620 over Drain 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 January 2023.
How much traffic does RM 620 over Drain carry?
About 42,058 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is RM 620 over Drain?
The structure is 44 ft (13.4 m) long with a longest span of 7 ft (2.1 m) and a deck 152 ft wide.
Who owns RM 620 over Drain?
It is owned by the State Highway Agency.