N3100 (4240C) over Cottonwood Creek
GoodLogan County, Oklahoma · .5E 1.1N of Seward · Structure no. 295480000000000
- Built
- 2014
- 11 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 221 ft
- 3 main spans
- Daily traffic
- 500
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N3100 (4240C) over Cottonwood Creek is a prestressed concrete stringer/multi-beam or girder carrying N3100 (4240C) over Cottonwood Creek in Logan County, Oklahoma. It was built in 2014, so it is 11 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 500 vehicles a day, roughly 15% of them trucks, projected to reach 800 by 2042. The structure is 221 ft (67.4 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N3100 (4240C) over Cottonwood Creek built?
It was built in 2014, making it 11 years old in 2025.
What condition is N3100 (4240C) over Cottonwood 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 July 2024.
How much traffic does N3100 (4240C) over Cottonwood Creek carry?
About 500 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is N3100 (4240C) over Cottonwood Creek?
The structure is 221 ft (67.4 m) long with a longest span of 75 ft (22.9 m) and a deck 34 ft wide.
Who owns N3100 (4240C) over Cottonwood Creek?
It is owned by the County Highway Agency.