S.H. 99 over I-40 under
GoodSeminole County, Oklahoma · I-40 & S.H. 99 Jct. · Structure no. 265230000000000
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 270 ft
- 4 main spans
- Daily traffic
- 7,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
S.H. 99 over I-40 under is a prestressed concrete stringer/multi-beam or girder carrying S.H. 99 over I-40 under in Seminole County, Oklahoma. It was built in 2002, so it is 23 years old, younger than the Oklahoma average of 47.8 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 7,300 vehicles a day, roughly 16% of them trucks, projected to reach 11,680 by 2042. The structure is 270 ft (82.3 m) long and 73 ft wide. If it were closed, the detour would be 39.8 mi (64 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 S.H. 99 over I-40 under built?
It was built in 2002, making it 23 years old in 2025.
What condition is S.H. 99 over I-40 under 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 February 2024.
How much traffic does S.H. 99 over I-40 under carry?
About 7,300 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is S.H. 99 over I-40 under?
The structure is 270 ft (82.3 m) long with a longest span of 92 ft (28 m) and a deck 73 ft wide.
Who owns S.H. 99 over I-40 under?
It is owned by the State Highway Agency.