N4470 over Coal Creek
PoorCraig County, Oklahoma · 5 MI SE of Bluejacket · Structure no. 104320000000000
- Built
- 1946
- 79 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 34 ft
- 2 main spans
- Daily traffic
- 24
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N4470 over Coal Creek is a steel continuous stringer/multi-beam or girder carrying N4470 over Coal Creek in Craig County, Oklahoma. It was built in 1946, so it is 79 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 2 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 24 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2042. The structure is 34 ft (10.4 m) long and 16 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| 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 N4470 over Coal Creek built?
It was built in 1946, making it 79 years old in 2025.
What condition is N4470 over Coal 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 2024.
How much traffic does N4470 over Coal Creek carry?
About 24 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N4470 over Coal Creek?
The structure is 34 ft (10.4 m) long with a longest span of 14 ft (4.3 m) and a deck 16 ft wide.
Who owns N4470 over Coal Creek?
It is owned by the County Highway Agency.