277 Street over Dog Ear Ck
PoorPosted for loadTripp County, South Dakota · 1N Winner · Structure no. 000000062185270
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 110 ft
- 5 main spans
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
277 Street over Dog Ear Ck is a steel stringer/multi-beam or girder carrying 277 Street over Dog Ear Ck in Tripp County, South Dakota. It was built in 1940, so it is 85 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 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2032. The structure is 110 ft (33.5 m) long and 19 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 |
|---|---|---|
| Deck | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 277 Street over Dog Ear Ck built?
It was built in 1940, making it 85 years old in 2025.
What condition is 277 Street over Dog Ear Ck 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 277 Street over Dog Ear Ck carry?
About 50 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 277 Street over Dog Ear Ck?
The structure is 110 ft (33.5 m) long with a longest span of 30 ft (9.1 m) and a deck 19 ft wide.
Who owns 277 Street over Dog Ear Ck?
It is owned by the County Highway Agency.