N3100 over Bluff Creek
GoodGrant County, Oklahoma · .2N 9.7E 3.4N of Renfrow · Structure no. 226760000000000
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 334 ft
- 3 main spans
- Daily traffic
- 90
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N3100 over Bluff Creek is a prestressed concrete stringer/multi-beam or girder carrying N3100 over Bluff Creek in Grant County, Oklahoma. It was built in 1988, so it is 37 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 90 vehicles a day, roughly 10% of them trucks, projected to reach 144 by 2042. The structure is 334 ft (101.8 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N3100 over Bluff Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is N3100 over Bluff 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 May 2023.
How much traffic does N3100 over Bluff Creek carry?
About 90 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N3100 over Bluff Creek?
The structure is 334 ft (101.8 m) long with a longest span of 83 ft (25.3 m) and a deck 30 ft wide.
Who owns N3100 over Bluff Creek?
It is owned by the County Highway Agency.