N3690 over Little Blue Creek
GoodBryan County, Oklahoma · 2E .7S of Brown · Structure no. 275440000000000
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 105 ft
- 3 main spans
- Daily traffic
- 100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N3690 over Little Blue Creek is a prestressed concrete stringer/multi-beam or girder carrying N3690 over Little Blue Creek in Bryan County, Oklahoma. It was built in 2005, so it is 20 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 8 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 105 ft (32 m) long and 29 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| 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 N3690 over Little Blue Creek built?
It was built in 2005, making it 20 years old in 2025.
What condition is N3690 over Little Blue 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 2024.
How much traffic does N3690 over Little Blue Creek carry?
About 100 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N3690 over Little Blue Creek?
The structure is 105 ft (32 m) long with a longest span of 35 ft (10.7 m) and a deck 29 ft wide.
Who owns N3690 over Little Blue Creek?
It is owned by the County Highway Agency.