RM 620 WB over SH 45 WB on Ramp
GoodWilliamson County, Texas · 1.5 MI E of US 183 · Structure no. 142460068301481
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 575 ft
- 5 main spans
- Daily traffic
- 18,000
- 2013 count
- Owner
- State
- State Highway Agency
About this bridge
RM 620 WB over SH 45 WB on Ramp is a prestressed concrete stringer/multi-beam or girder carrying RM 620 WB over SH 45 WB on Ramp in Williamson County, Texas. It was built in 2007, so it is 18 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 18,000 vehicles a day, roughly 15% of them trucks, projected to reach 22,510 by 2033. The structure is 575 ft (175.3 m) long and 26 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was RM 620 WB over SH 45 WB on Ramp built?
It was built in 2007, making it 18 years old in 2025.
What condition is RM 620 WB over SH 45 WB on Ramp 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 November 2023.
How much traffic does RM 620 WB over SH 45 WB on Ramp carry?
About 18,000 vehicles per day (2013 count), of which roughly 15% are trucks.
How long is RM 620 WB over SH 45 WB on Ramp?
The structure is 575 ft (175.3 m) long with a longest span of 120 ft (36.6 m) and a deck 26 ft wide.
Who owns RM 620 WB over SH 45 WB on Ramp?
It is owned by the State Highway Agency.