IRR 5840C over Shawnee Branch
PoorPosted for loadOttawa County, Oklahoma · 2.8S 1.2W 10&10C · Structure no. 081580000000000
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected March 2024
- Type
- Slab
- Concrete
- Length
- 32 ft
- 2 main spans
- Daily traffic
- 100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
IRR 5840C over Shawnee Branch is a concrete slab carrying IRR 5840C over Shawnee Branch in Ottawa County, Oklahoma. It was built in 1940, so it is 85 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: posted for load restriction.
It carries about 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 32 ft (9.7 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR 5840C over Shawnee Branch built?
It was built in 1940, making it 85 years old in 2025.
What condition is IRR 5840C over Shawnee Branch 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 March 2024.
How much traffic does IRR 5840C over Shawnee Branch carry?
About 100 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is IRR 5840C over Shawnee Branch?
The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.
Who owns IRR 5840C over Shawnee Branch?
It is owned by the County Highway Agency.