Isom RD over US 281
FairBexar County, Texas · 1.05 MI NW of IH 410 · Structure no. 150150007308184
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected August 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 264 ft
- 2 main spans
- Daily traffic
- 4,919
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Isom RD over US 281 is a prestressed concrete stringer/multi-beam or girder carrying Isom RD over US 281 in Bexar County, Texas. It was built in 1978, so it is 47 years old, older 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 4,919 vehicles a day, roughly 1% of them trucks, projected to reach 8,000 by 2030. The structure is 264 ft (80.5 m) long and 84 ft wide.
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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Isom RD over US 281 built?
It was built in 1978, making it 47 years old in 2025.
What condition is Isom RD over US 281 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 August 2022.
How much traffic does Isom RD over US 281 carry?
About 4,919 vehicles per day (2020 count), of which roughly 1% are trucks.
How long is Isom RD over US 281?
The structure is 264 ft (80.5 m) long with a longest span of 80 ft (24.4 m) and a deck 84 ft wide.
Who owns Isom RD over US 281?
It is owned by the State Highway Agency.