IRR N4540 over Silver Creek
FairPosted for loadMcCurtain County, Oklahoma · 1.8 W .6 S of Battiest · Structure no. 167950000000000
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected September 2023
- Type
- Truss - Deck
- Steel
- Length
- 220 ft
- 1 main span
- Daily traffic
- 75
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
IRR N4540 over Silver Creek is a steel truss - deck carrying IRR N4540 over Silver Creek in McCurtain County, Oklahoma. It was built in 1966, so it is 59 years old, older than the Oklahoma average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 75 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2042. The structure is 220 ft (67.1 m) long and 26 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR N4540 over Silver Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is IRR N4540 over Silver Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.
How much traffic does IRR N4540 over Silver Creek carry?
About 75 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is IRR N4540 over Silver Creek?
The structure is 220 ft (67.1 m) long with a longest span of 100 ft (30.5 m) and a deck 26 ft wide.
Who owns IRR N4540 over Silver Creek?
It is owned by the County Highway Agency.