N3560 over Little River
PoorClosed to trafficSeminole County, Oklahoma · 2.7 S Bowlegs · Structure no. 023600000000000
- Built
- 1929
- 96 years old
- Condition
- Poor
- inspected July 2023
- Type
- Truss - Thru
- Steel
- Length
- 524 ft
- 2 main spans
- Daily traffic
- 100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N3560 over Little River is a steel truss - thru carrying N3560 over Little River in Seminole County, Oklahoma. It was built in 1929, so it is 96 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 3 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. Its operating status is: closed to all traffic.
It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 524 ft (159.7 m) long and 22 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N3560 over Little River built?
It was built in 1929, making it 96 years old in 2025.
What condition is N3560 over Little River 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 July 2023.
How much traffic does N3560 over Little River carry?
About 100 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N3560 over Little River?
The structure is 524 ft (159.7 m) long with a longest span of 98 ft (29.9 m) and a deck 22 ft wide.
Who owns N3560 over Little River?
It is owned by the County Highway Agency.