RM 620 over IH 35
FairWilliamson County, Texas · 0.5 MI S of US 79 · Structure no. 142460001509402
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected February 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 265 ft
- 2 main spans
- Daily traffic
- 41,111
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
RM 620 over IH 35 is a prestressed concrete box beam or girders - multiple carrying RM 620 over IH 35 in Williamson County, Texas. It was built in 1986, so it is 39 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 5 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 41,111 vehicles a day, roughly 3% of them trucks, projected to reach 49,333 by 2039. The structure is 265 ft (80.8 m) long and 90 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was RM 620 over IH 35 built?
It was built in 1986, making it 39 years old in 2025.
What condition is RM 620 over IH 35 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 February 2023.
How much traffic does RM 620 over IH 35 carry?
About 41,111 vehicles per day (2019 count), of which roughly 3% are trucks.
How long is RM 620 over IH 35?
The structure is 265 ft (80.8 m) long with a longest span of 98 ft (29.9 m) and a deck 90 ft wide.
Who owns RM 620 over IH 35?
It is owned by the State Highway Agency.