N3620 over Snake Creek
GoodSeminole County, Oklahoma · .4 N of Sylvian · Structure no. 228230000000000
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected August 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 106 ft
- 3 main spans
- Daily traffic
- 100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N3620 over Snake Creek is a prestressed concrete tee beam carrying N3620 over Snake Creek in Seminole County, Oklahoma. It was built in 1991, so it is 34 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 106 ft (32.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N3620 over Snake Creek built?
It was built in 1991, making it 34 years old in 2025.
What condition is N3620 over Snake Creek 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 2023.
How much traffic does N3620 over Snake Creek carry?
About 100 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N3620 over Snake Creek?
The structure is 106 ft (32.2 m) long with a longest span of 35 ft (10.7 m) and a deck 28 ft wide.
Who owns N3620 over Snake Creek?
It is owned by the County Highway Agency.