N3370 over Long Branch Creek
PoorNoble County, Oklahoma · .6E .2N of Morrison · Structure no. 250400000000000
- Built
- 1931
- 94 years old, rebuilt 1997
- Condition
- Poor
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 102 ft
- 2 main spans
- Daily traffic
- 75
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N3370 over Long Branch Creek is a steel stringer/multi-beam or girder carrying N3370 over Long Branch Creek in Noble County, Oklahoma. It was built in 1931 and reconstructed in 1997, so it is 94 years old, older than the Oklahoma average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 75 vehicles a day, roughly 15% of them trucks, projected to reach 120 by 2042. The structure is 102 ft (31 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 N3370 over Long Branch Creek built?
It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1997.
What condition is N3370 over Long Branch Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.
How much traffic does N3370 over Long Branch Creek carry?
About 75 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is N3370 over Long Branch Creek?
The structure is 102 ft (31 m) long with a longest span of 51 ft (15.5 m) and a deck 20 ft wide.
Who owns N3370 over Long Branch Creek?
It is owned by the County Highway Agency.