SH 21 over RR & Ayish Byu & City ST
FairSan Augustine County, Texas · 0.60 MI E of US 96 · Structure no. 112030011810076
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 980 ft
- 12 main spans
- Daily traffic
- 5,300
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SH 21 over RR & Ayish Byu & City ST is a prestressed concrete stringer/multi-beam or girder carrying SH 21 over RR & Ayish Byu & City ST in San Augustine County, Texas. It was built in 1984, so it is 41 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 5,300 vehicles a day, roughly 93% of them trucks, projected to reach 7,819 by 2040. The structure is 980 ft (298.7 m) long and 46 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 21 over RR & Ayish Byu & City ST built?
It was built in 1984, making it 41 years old in 2025.
What condition is SH 21 over RR & Ayish Byu & City ST 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 May 2024.
How much traffic does SH 21 over RR & Ayish Byu & City ST carry?
About 5,300 vehicles per day (2024 count), of which roughly 93% are trucks.
How long is SH 21 over RR & Ayish Byu & City ST?
The structure is 980 ft (298.7 m) long with a longest span of 88 ft (26.8 m) and a deck 46 ft wide.
Who owns SH 21 over RR & Ayish Byu & City ST?
It is owned by the State Highway Agency.