451st Avenue over Trib. to E Fork Verm Rv
PoorPosted for loadMcCook County, South Dakota · W. City Limit - Montrose · Structure no. 000000044210103
- Built
- 1930
- 95 years old, rebuilt 1985
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 36 ft
- 1 main span
- Daily traffic
- 66
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
451st Avenue over Trib. to E Fork Verm Rv is a steel stringer/multi-beam or girder carrying 451st Avenue over Trib. to E Fork Verm Rv in McCook County, South Dakota. It was built in 1930 and reconstructed in 1985, so it is 95 years old, older than the South Dakota average of 48.9 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 66 vehicles a day, roughly 2% of them trucks, projected to reach 66 by 2032. The structure is 36 ft (11 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 451st Avenue over Trib. to E Fork Verm Rv built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1985.
What condition is 451st Avenue over Trib. to E Fork Verm Rv 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 July 2024.
How much traffic does 451st Avenue over Trib. to E Fork Verm Rv carry?
About 66 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 451st Avenue over Trib. to E Fork Verm Rv?
The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.
Who owns 451st Avenue over Trib. to E Fork Verm Rv?
It is owned by the County Highway Agency.