IRR N4550 over Creek
PoorPosted for loadOttawa County, Oklahoma · .5N of Commerce · Structure no. 163610000000000
- Built
- 1965
- 60 years old
- Condition
- Poor
- inspected September 2023
- Type
- Arch - Deck
- Concrete
- Length
- 54 ft
- 3 main spans
- Daily traffic
- 650
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
IRR N4550 over Creek is a concrete arch - deck carrying IRR N4550 over Creek in Ottawa County, Oklahoma. It was built in 1965, so it is 60 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: posted for load restriction.
It carries about 650 vehicles a day, roughly 10% of them trucks, projected to reach 800 by 2042. The structure is 54 ft (16.4 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR N4550 over Creek built?
It was built in 1965, making it 60 years old in 2025.
What condition is IRR N4550 over 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 September 2023.
How much traffic does IRR N4550 over Creek carry?
About 650 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is IRR N4550 over Creek?
The structure is 54 ft (16.4 m) long with a longest span of 15 ft (4.6 m) and a deck 29 ft wide.
Who owns IRR N4550 over Creek?
It is owned by the County Highway Agency.