N4120 over Salt Creek
PoorPosted for loadWagoner County, Oklahoma · .8S Rogers Cl · Structure no. 209430000000000
- Built
- 1985
- 40 years old
- Condition
- Poor
- inspected August 2024
- Type
- Culvert
- Concrete
- Length
- 47 ft
- 3 main spans
- Daily traffic
- 480
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N4120 over Salt Creek is a concrete culvert carrying N4120 over Salt Creek in Wagoner County, Oklahoma. It was built in 1985, so it is 40 years old, younger 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 480 vehicles a day, roughly 10% of them trucks, projected to reach 768 by 2042. The structure is 47 ft (14.3 m) long and 28 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 |
|---|---|---|
| Channel and channel protection | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Culvert | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N4120 over Salt Creek built?
It was built in 1985, making it 40 years old in 2025.
What condition is N4120 over Salt 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 N4120 over Salt Creek carry?
About 480 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N4120 over Salt Creek?
The structure is 47 ft (14.3 m) long with a longest span of 17 ft (5.2 m) and a deck 28 ft wide.
Who owns N4120 over Salt Creek?
It is owned by the County Highway Agency.