N4605 over Brush Creek Trib.
PoorClosed to trafficDelaware County, Oklahoma · 3.5 MI S of Jay · Structure no. 046170000000000
- Built
- 1936
- 89 years old
- Condition
- Poor
- inspected January 2023
- Type
- Slab
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N4605 over Brush Creek Trib. is a concrete continuous slab carrying N4605 over Brush Creek Trib. in Delaware County, Oklahoma. It was built in 1936, so it is 89 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 4 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 23 ft (7 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 N4605 over Brush Creek Trib. built?
It was built in 1936, making it 89 years old in 2025.
What condition is N4605 over Brush Creek Trib. 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 January 2023.
How much traffic does N4605 over Brush Creek Trib. carry?
About 100 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N4605 over Brush Creek Trib.?
The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.
Who owns N4605 over Brush Creek Trib.?
It is owned by the County Highway Agency.