S.H. 78 over Red River
FairBryan County, Oklahoma · Ok Texas State Line · Structure no. 320770000000000
- Built
- 2020
- 5 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 2,297 ft
- 17 main spans
- Daily traffic
- 2,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
S.H. 78 over Red River is a prestressed concrete stringer/multi-beam or girder carrying S.H. 78 over Red River in Bryan County, Oklahoma. It was built in 2020, so it is 5 years old, younger than the Oklahoma average of 47.8 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 2,000 vehicles a day, roughly 15% of them trucks, projected to reach 3,980 by 2042. The structure is 2,297 ft (700.1 m) long and 46 ft wide. If it were closed, the detour would be 34.2 mi (55 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 | 8 Very Good | No problems noted. |
| 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 S.H. 78 over Red River built?
It was built in 2020, making it 5 years old in 2025.
What condition is S.H. 78 over Red River 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 2024.
How much traffic does S.H. 78 over Red River carry?
About 2,000 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is S.H. 78 over Red River?
The structure is 2,297 ft (700.1 m) long with a longest span of 135 ft (41.1 m) and a deck 46 ft wide.
Who owns S.H. 78 over Red River?
It is owned by the State Highway Agency.