31340 405th Avenue over Coffee Creek
PoorBon Homme County, South Dakota · 10W & 0.4S Springfield · Structure no. 000000005040222
- Built
- 1977
- 48 years old
- Condition
- Poor
- inspected May 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 60
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
31340 405th Avenue over Coffee Creek is a prestressed concrete tee beam carrying 31340 405th Avenue over Coffee Creek in Bon Homme County, South Dakota. It was built in 1977, so it is 48 years old, younger 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.
It carries about 60 vehicles a day, roughly 2% of them trucks, projected to reach 60 by 2032. The structure is 40 ft (12.2 m) long and 23 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| 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 31340 405th Avenue over Coffee Creek built?
It was built in 1977, making it 48 years old in 2025.
What condition is 31340 405th Avenue over Coffee 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 May 2023.
How much traffic does 31340 405th Avenue over Coffee Creek carry?
About 60 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 31340 405th Avenue over Coffee Creek?
The structure is 40 ft (12.2 m) long with a longest span of 29 ft (8.8 m) and a deck 23 ft wide.
Who owns 31340 405th Avenue over Coffee Creek?
It is owned by the County Highway Agency.