Loop 1604 over US 87
GoodBexar County, Texas · US 87 @ Loop 1604 · Structure no. 150150014302079
- Built
- 1981
- 44 years old
- Condition
- Good
- inspected August 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 280 ft
- 2 main spans
- Daily traffic
- 10,203
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Loop 1604 over US 87 is a prestressed concrete stringer/multi-beam or girder carrying Loop 1604 over US 87 in Bexar County, Texas. It was built in 1981, so it is 44 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 10,203 vehicles a day, roughly 5% of them trucks, projected to reach 11,940 by 2036. The structure is 280 ft (85.3 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 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 Loop 1604 over US 87 built?
It was built in 1981, making it 44 years old in 2025.
What condition is Loop 1604 over US 87 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 August 2022.
How much traffic does Loop 1604 over US 87 carry?
About 10,203 vehicles per day (2016 count), of which roughly 5% are trucks.
How long is Loop 1604 over US 87?
The structure is 280 ft (85.3 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.
Who owns Loop 1604 over US 87?
It is owned by the State Highway Agency.