U.S. 59 SB over Grand Lake/Sailboat
FairDelaware County, Oklahoma · 19.1 MI N SH20 · Structure no. 065920000000000
- Built
- 1938
- 87 years old, rebuilt 2001
- Condition
- Fair
- inspected August 2023
- Type
- Segmental Box Girder
- Prestressed Concrete Continuous
- Length
- 3,044 ft
- 25 main spans
- Daily traffic
- 5,200
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. 59 SB over Grand Lake/Sailboat is a prestressed concrete continuous segmental box girder carrying U.S. 59 SB over Grand Lake/Sailboat in Delaware County, Oklahoma. It was built in 1938 and reconstructed in 2001, so it is 87 years old, older 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 5,200 vehicles a day, roughly 16% of them trucks, projected to reach 8,320 by 2042. The structure is 3,044 ft (927.8 m) long and 41 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was U.S. 59 SB over Grand Lake/Sailboat built?
It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2001.
What condition is U.S. 59 SB over Grand Lake/Sailboat 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 2023.
How much traffic does U.S. 59 SB over Grand Lake/Sailboat carry?
About 5,200 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is U.S. 59 SB over Grand Lake/Sailboat?
The structure is 3,044 ft (927.8 m) long with a longest span of 122 ft (37.2 m) and a deck 41 ft wide.
Who owns U.S. 59 SB over Grand Lake/Sailboat?
It is owned by the State Highway Agency.